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4

Conservation in Cameroon

The mountains of the Ebo forest peek behind Iboti village.

Cameroon is a relatively densely populated Central Africa country, and much of its original forest has long since been converted into farmland—vast commercial plantations of bananas, rubber, palm oil, or logging concessions. I first came to work in Cameroon in 2002, after spending two years in a remote coastal rain forest in Gabon, miles away from any human settlement. Here I encountered large, wild animals on a daily basis, and often in very close proximity (I even had to construct a rope fence around my tent to deter inquisitive forest elephants). But Cameroon is a different kettle of fish, with far more pressure on the land, and I soon realized that even finding a good field site to study my target species was going to be a challenge.

Bethan and Ekwoge Abwe cross the Dibamba river in the dry season.

I spent weeks, and then months, scouring Cameroon forests for indications of drills–-large, elusive primates with colorful faces and large social groups. But more often than not, I just encountered more signs of human presence. The “empty-forest syndrome” was very disheartening. Many species were locally extinct, and the forest itself cannot survive without animals dispersing the seeds of hundreds of plant species. The entire rain forest system is a complex web of interdependencies that we humans are only slowly beginning to understand.

But then, while spending two weeks in a relatively unknown area called the Ebo forest with a local hunter, Jonas, I found what I had been looking for. After a night disturbed by several thunderstorms and flooded tents, we were awakened by the distinct sound of hollow, low-frequency beating noises on the other side of the river valley. The previous days had been spent finding indisputable evidence of drills in the area (footprints, turned logs, and smashed crabs), and we had heard chimpanzees distinctly on several occasions. I knew that this beating noise indicated the presence of something even more special-–gorillas.

After an hour scrambling up the other side of the valley, we eventually came across the gorillas. We spent an hour quietly watching a group of 11 individuals, until the large male silverback noticed our presence and made it patently clear that he wanted his family to be left alone by charging us noisily. We moved away slowly and left them to continue eating. But I had hit the field-site jackpot!

This two-week exploration led to the establishment of our two research stations in the forest, permanently manned by trained local ex-hunters, including Jonas, who now revel in the pride that comes with knowing that their forest is exceptional not only within Cameroon but within Africa.

The spectacular gray-necked rockfowl (Picathartes oreas) in the Ebo forest.

Now well established, the Ebo Forest Research Project is garnering interest from a broad range of scientists. Ebo is home to an amazing scope of creatures like Goliath frogs, the largest in the world, dwarf crocodiles, chameleons, the incredible rockfowl, which build clay nests against rocky overhangs, crowned eagles and hornbills, forest elephants (we are currently conducting our fourth annual forest-wide elephant survey), a myriad of monkey species, and the two great ape species, gorillas and chimpanzees. The Ebo gorillas are unique in being a “halfway house” between two different gorilla subspecies, while the Ebo chimpanzees are among the healthiest populations of these species remaining anywhere.

A yellow-bellied wattle-eye (Platysteira concreta) in the Ebo forest.

My role has slowly changed over the years from physically leading all the forest research work to training, supporting, and assisting our wonderful national staff to do this work, including maintaining a higher-education program. This “capacity building” of national staff is the only sustainable, long-term approach to conservation. Our program goals are to encourage local people to conduct research, as well as to work with the local communities, traditional authorities, and government to develop the Ebo National Park.

I still relish spending time in the forest, and I am still struck by the wonder of such a complex environment that we humans can barely understand. From the flowering of a tree species new to science (and of unknown benefit to humankind) to an army ant attack on our tents (terrifying but awesome!) to watching a gorilla family peacefully enjoying a morning snack, I think that conserving places like the Ebo forest should be a priority for all of us. We have much to learn from these few remaining wilderness places and their inhabitants.

Bethan Morgan is head of the San Diego Zoo Institute for Conservation Research’s Central Africa Program. Read her previous post, Elephant Survey: Frogs and Primates.

2

Elephants: The Ebb and Flow of Thirsty Giants

One of my favorite places in Botswana is the Savuti Channel, located in the heart of Chobe National Park, not only because of its unpredictable water flow, but because it is an intermittent elephant refuge. I first visited the Savuti when I was eight years old, while on safari with my parents. Back then, the river sparkled, teeming with catfish, huge crocodiles, and pods of territorial hippos. The river provided cool relief for the wildlife, while the Savuti Marsh provided fields of life-giving grasses for ungulates. I was most impressed by the large herds of elephants, buffalo, zebras, and wildebeest blithely making their way through another day, while predators waited patiently, hiding among the thick shrubs along the marsh. We were camping in a safari paradise.

While at boarding school, I read that in 1982 the Savuti Channel was dry! I did not understand then that for the past 170 years, the Savuti River had an erratic, unpredictable flow. Today, the reasons that result from this unpredictable ebb and flow still remain unclear, and scientists have suggested that tectonic rather than hydrological factors may be at the root of this phenomenon. Where would the elephants go during these dry spells? Much of the wildlife moved on to “greener pastures,” and soon the area became a paradise lost. The stark pictures in magazine articles of the secretive works of nature convinced me that I needed to investigate this ancient mystery. I returned in 2001, this time for the meaningful purpose of pursuing my doctorate in elephant ecology.

Family groups of elephants were gone, only visiting the Savuti on their 100-mile treks to the Kwando River on the Namibian border. However, large elephant bulls had made the Savuti their safe haven, seeking refuge at the artificial waterholes the Botswana government had sunk into the parched landscape to provide water for wildlife. The intense smell of fresh, deep water brought up from deep below the Kalahari sand proved to be too tempting for the thirsty giants, which wandered into unsafe territories surrounding Chobe. Savuti became world renowned for its massive, old bulls, which became tolerant of pachyderm fans seeking to see these lords of the African savanna in close proximity.

Finally, in 2008, water unexpectedly began to appear in the Savuti Channel. The following year, there was much excitement and anticipation on how far the water would flow. Many people, including myself, made journeys specifically to see just how far the water would flow. By 2010, the Savuti River was a flowing river, spilling its waters onto the Savuti Marsh after a 28-year dry spell!

Mike attaches a radio collar to track an African elephant's movements.

Fortunately for me, the timing of this flood was perfect, as I had recently secured funds and permission to conduct an aerial survey to count elephants and other large herbivores throughout northern Botswana. I was amazed to see that the Savuti had been rejuvenated. Massive numbers of elephants amassed on the marsh. Buffalo had returned after many years of absence. I realized then that my understanding of elephant ecology had to span longer than my brief five-year doctorate study. Nearly 30 years after my first camping trip in Savuti, I deployed two satellite collars on adult elephant cows and one on a bull to better reveal the movements of elephants in this dynamic environment. I might have to wait another few decades to see where they move to when the Savuti decides to dry up again. But then, at least, one of the secrets of the Savuti’s inhabitants will be revealed.

Michael Chase is the Henderson Endowed Postdoctoral Fellow for the San Diego Zoo Institute for Conservation Research and the director of Elephants Without Borders.

167

Our Newest Park Elephant

Welcome, Sundzu!

Back on the morning of December 27, 2010, we were happily surprised by the birth of Litsemba’s second calf. Despite having our birth watch/research team ready to go and monitoring her hormone levels as they fell to birthing levels, she gave birth before we thought she was very close. The calf was up and walking with the rest of the herd out in our main yard as we came in to start our day. A quick lookover from outside the yard, and we could tell where he was born and that Litsemba had passed her placenta. He obviously had met all of his herdmates, was nursing, and if he had had a sign around his neck saying “I weigh 230 pounds” we wouldn’t have had to do anything that morning. Well, that little guy now weighs 486 pounds (221 kilograms) and has had a name since early March.

 

Tsandzikle (ta-Sond-zuh-Kee-lay) was named after David Tappan, an Elephant Odyssey donor who passed away last year. The Hebrew name Dawid was probably derived from Hebrew (dwd) meaning “beloved”; the SiSwati language had two translations for “beloved”: the adjective Tsandzekako (ta-Sond-zuh gah-go) or the noun Tsandzikle. We liked the noun version the best, and we usually call him by the nickname “Sund-zu.” We didn’t want him to be called Mister Ga-GO!

What a playful little guy!

He’s about as cute as they come. Sundzu loves to solicit attention and scratches from all of his keepers and constantly patrols the fence line as we clean the yards, hoping to pull us away from our never-ending clean up. Who can resist that face? He is a great source of entertainment for us because of his playful nature and the way he interacts with the other three amigos born last year. He’s got a great trumpet, he always seems to be running somewhere, and he has the full repertoire of calf behavior we’ve grown to love and adore: the threatening “scary face” they all make, plowing through the hay, challenging anything and everything that does or doesn’t move, climbing onto whoever he can, and playing in the mud bogs. He seems to be the most playful calf we’ve had, and he loses track of Mom’s whereabouts quite often because of it. You can see his anxiety building up once he realizes Mom’s not around, and then comes his mighty roar that gets Mom a runnin’ to the rescue!

His big brother, Impunga, is mostly indifferent to him. Poor Punga has been displaced by Mom so much that he roars for mercy when she just looks at him funny. He’s not the apple of Mom’s eye anymore, but he still hangs around close enough to benefit from her social protection but far enough away to avoid her trunk swats and tusks. We try to make up for it by giving Punga lots of lovin’ and training sessions as often as we can. He still enjoys wrestling with ‘Musi and can’t resist a mud bog dog pile on a hot day.

The best way to see all this activity is, of course, to come out to the Safari Park and spend a few hours watching our amazing herd do their thing. If you see me out at the Elephant Viewing Patio for our daily Elephant Enrichment activity at 11:30 a.m., introduce yourselves and say hello. That’s all for now; more snippets to come.

Jambo!

Curtis Lehman is an animal care manager at the San Diego Zoo Safari Park. Read his previous post, Park Elephants: Busy Times.

196

Valentine’s Day, Mammoth Style

Luti enjoys his birthday cake!

You might celebrate Valentine’s Day with chocolate, flowers, or even dinner. I like chocolates with peanuts, almonds, pecans, hazelnuts—pretty much any kind of nut. But as it turns out, pellets were a big hit at the San Diego Zoo Safari Park on this Valentine’s Day as we celebrated elephant Lutsandvo’s (“Luti”) first birthday.

It didn’t matter in what form the pellets were presented. They were mashed and used as one of the frozen layers for Luti’s heart-shaped birthday cake. A heart for a boy? Yes, of course, if you’re name means love in SiSwati and you were born on February 14! His keepers showed him lots of love by creating a four-tier cake no elephant could resist. It had that frozen layer of mashed pellets, another of beet pulp, and two layers of food puzzles filled with solid pellets that were all wrapped in a heart shape with ficus branches.

It was a banquet of goodies in the elephants’ East Yard today. There was so much ficus browse scattered around the yard we weren’t sure how quickly Luti would make it to the cake. It took him a few minutes to venture his way to the artfully crafted cake. But when he did, it was very obvious that his keepers know him well. He devoured as much as he could before deciding that the ficus branches were calling his name, much like that chocolate that’s sitting on my desktop.

“Lutsandvo seemed to really enjoy it,” said Mindy Albright, Safari Park senior animal keeper and one of the master minds of the celebration. “He stopped picking up pieces with his trunk and even bent down and took a big chunk out with his mouth.”

I have a feeling he thought no one was watching him, but we were, and we caught it on video. When he did finally walk away, Vus’musi came in to help his little half-brother out. I figure, why not? “Musi” will celebrate his seventh birthday on February 23, so he should get cake, too.

Luti, Musi, and their mom, “Ndlula,” were given a little bit of time in the yard to eat the Valentine’s Day goodies before the rest of the herd could come in to quickly gobble up the rest. And they sure did! One after the other, each elephant gave the cake, food puzzle, or ficus a try, and they all made it look so appetizing. Nice job, Mindy and team!

Mindy told me that at 1-year-old Lutsandvo weighs 947 pounds (430 kilograms). I’m thinking that after today, he may have gained a pound or 20! Now, which chocolate shall I eat first?

Yadira Galindo is a senior public relations representative for San Diego Zoo Global. Read her previous post, Flight of a Scaredy-Cat.

Update: Video of Luti’s birthday is now posted…

18

Elephant Foot X Rays

A radiograph image reveals the bones of an elephant's foot.

The concept and use of X rays have not changed much since their advent in 1895. The way, however, that images are acquired has changed dramatically. Traditional analog X-ray film, much like the film in your old camera, has been replaced with digital sensor panels; these panels are similar to those found in current digital photographic cameras. Digital imaging has allowed radiologists to easily capture and manipulate radiographs, a feature that reduces X ray costs and exposure, while enhancing image quality. The digital radiograph system at the San Diego Zoo consists of a digital receptor panel and accompanying computer that processes the X-ray signal into a viewable image. The resultant image can be further manipulated to enhance image contrast, orientation, and magnification. Images can also be sent to colleagues and consultants for further review. This equipment is expensive, so how do you keep it safe while an elephant stands on it?

The X ray sensor panel.

A protective cover needed to be constructed to support the weight of an elephant and protect the valuable sensor panel. Several “tunnel” designs were tested prior to using the sensor panel. Because of the nature of X rays, it was important to use materials for the tunnel that would not inhibit the penetration of the X-ray beam. The first prototype consisted of a 0.5-inch-thick piece of acrylic plastic with plastic upright supports. This would prove to be too fragile for an 8,000-pound elephant. The current tunnel consists of a 1.5-inch piece of plastic supported by 1-inch aluminum uprights. A portable equine X-ray machine is used to generate the X rays necessary to produce a diagnostic image. Because of the size of an elephant’s foot, long exposure times are necessary to produce a quality film. The X-ray machine is also on wheels, in case a curious trunk wants to get hold of it!

Steve in action with a cooperative elephant.

All the technology in the world would be useless if you couldn’t get the elephant to cooperate. A large part of elephant radiographic imaging involves behavioral training. With the use of operant conditioning strategies, keepers at the San Diego Zoo have been able to train elephants to present and position their limbs for X-ray imaging. The reward for this formidable task has been the ability to obtain routine digital radiographs of the entire herd of elephants at the Zoo. The elephants are rewarded as well! Because of the size of the animals, limitations of the X-ray machine, and lengthy exposure times, it is necessary for the veterinary staff to take several images of each foot, usually a digit or two at a time. This means that the keepers must station, position, and keep the elephant still for imaging. I am amazed at how well the elephants are trained every time I am asked to take radiographs of them.

Once the radiographs have been taken, veterinarians from the Zoos’ Jennings Hospital review and assess the images, looking for any abnormalities. By taking routine foot radiographs, veterinarians are able to evaluate any soft tissue or boney changes that might occur over time. Because of routine exams and radiographs, as well as exhibit design, the elephants at the San Diego Zoo have some of the most pampered feet around!

Steve Culver is a registered veterinary technician at the San Diego Zoo. Read his previous post, X-ray Results for Ibis.

21

Wild Elephant Rainbow Spirit

The San Diego Zoo is collaborating on elephant conservation in Africa with the nonprofit organization Elephants Without Borders, based in Botswana.

Rainbow Spirit's calf (just behind her) sniffs the tranquilizing dart.

Feisty and determined Rainbow Spirit has continuously been a very special elephant to us. She surprised us with her historic trek, leading her herd from the lush habitat of the Okavango Delta to the once war-torn forests of southeast Angola. She has remained in the pristine forests of Luiana Partial Reserve for over three years. We were concerned that we would not be able to reach her to remove her satellite collar before the battery failed. We knew if she did not move into an area easily available to us, we may lose track of her forever. However, she surprised us again and moved south just across the border into Namibia, and we were ready! A few years is but a snapshot in an elephant’s life, and we felt because of the uniqueness of her story, we had much to learn from Rainbow Spirit. With the support of the San Diego Zoo, it was decided to redeploy a second satellite collar on her, enabling us to study her long-time movements.

When the time was appropriate, we swiftly moved in, only able to reach her via helicopter. When we approached the VHF signal, she was difficult to find because there were no elephants in sight! Eventually, we spotted two large elephants hidden under the shade of a tree within a parallel sand ridge valley. Moving in slowly, we were delighted to see it was Rainbow Spirit! She was accompanied by a large bull, and, much to our surprise, a young calf popped out from hiding behind her. Rainbow Spirit is a new mother! We were thrilled. However, where was the rest of her herd? When we originally collared her, she was among a family of 19. We also noticed that one of her long, thin tusks had broken in half. And again, we pondered what stories she might be able to tell.

The team moved quickly to change Rainbow Spirit's collar

When we lowered the helicopter to land, the bull ran off, but her calf was hiding at her side, sniffing at the dart. The calf remained only a few minutes, making the event slightly more stressful for the team, but eventually the young one joined the protection of the bull, and we were able to quickly change Rainbow Spirit’s collar. It was quite emotional to watch this beautiful elephant stand up, donning her new necklace, and to witness the calf faithfully join her side. As they wandered into the forest, I could feel the lump in my throat slowly melting away in relief and wonder. (Watch a video of collaring an elephant.)

The movements of Rainbow Spirit from September to November 2010. Click on image to view in larger format.

It has been three months since the collar deployment. September and October were trying months, as elephants and wildlife waited for the rains to come. During that time, Rainbow Spirit’s movements revealed to us what she had been relying on through these tough times. We noticed her data locations for many days at a time were at an equal distance from one day to the next, many in a direct line; she was frequenting the hard clay valleys, which are in the middle of the parallel sand ridges. The hard clay acts as troughs for water that may slightly seep out from the depths of the sand ridges. Looking at a map of the area, the ridges stand out in the terrain in almost perfect lines. Every day, Rainbow Spirit was between these lines! She must have been checking all of them. We could not find water looking from the air, but she knew where she could find the tiniest amounts. Toward the end of the month, she quickly trekked to the Kuando River, which told us the pools must’ve finally exhausted their resources.

The rains arrived and within the last few weeks, Rainbow Spirit left the river, headed northwest, following the rains, and finally made a very quick, but steady, trek to her favored area in the sand ridges. The forests are beautiful and lush without interference from people, as of yet. In these hectic times, when elephants and other wildlife face harrowing issues and have limited space and sufficient habitat, it is a relief to know that this elephant and her newborn calf have a place to prosper…at least for the time being.

Kelly Landen is the director/program manager for Elephants Without Borders. Read her previous post, Wild Elephant Kachikau.

60

Park Elephant Answers

Impunga takes a nap.

Here are some answers to questions posed by our elephant fans about the African elephants at the San Diego Zoo Safari Park!

Calves, in general, start eating solid food around their fourth month. By seven months they’re eating it all, including the pellets that we use to train them, which become their favorite item.

Macembe has to have good elephant manners when around any other animal if Mom Swazi isn’t next to him, which is frequently. He usually climbs onto Emanti whenever they get together, but rarely is Emanti far away from his mom, Umoya, so his dominance is short-lived. He loves his wrestling matches with Lutsandvo though.

When we do our “Elephant Rush” (it’s at 11:30 a.m. nowadays) you might see us holding an animal back to go last, but not always. What we like to do is get the animals that have been in the barns out first before we let the animals that were in the yards out. If Mabu is in the barns while we clean the main yard, he’s typically the last to come out; he doesn’t need first crack at the goodies because he gets to most of it anyway. If we have time to train before the Rush, we may bring out some elephants earlier and train them and then let the majority (at least seven of them) out as the “Rush;” this tends to look more like an elephant “trickle.”

Do the elephants’ react to earthquakes? I don’t think the elephants know what an earthquake is, but I wouldn’t doubt that they could feel or hear it coming before we could. Forming their protective circle around their calves just seems like a logical thing they would do whenever they feel threatened or spooked. Our elephants have always maintained this natural behavior, which is really cool to observe. They do react to new construction noises and smells but quickly habituate or become desensitized to them. We want our elephants to get used to any and everything that’s out there, so we don’t tell Park guests to “be quiet” or to not fly the Balloon Safari, etc. On a side note, we have seen that if the elephants are initially spooked by a new noise or smell, they will go into their protective circle.

Ndlulamitsi’s right curved tusk broke off a couple of weeks ago. We noticed a fresh scrape on ‘Musi’s derriere the same day, so we think she busted it off while telling her son to get lost. Not to worry; it’ll grow back, and the pulp cavity wasn’t exposed. And ‘Musi is still a momma’s boy.

Elephants do show affection or offer a greeting by massaging each other’s head with their trunk. Mabu does this with Umngani, Swazi, Litsemba, and Lungile a lot, and they all do it toward someone at some point. It does appear quite affectionate at times. When it’s male to male it seems as if it could also be a “sizing up” before wrestling ensues.

Impunga has been notorious for lying down across a dirt mound. Is it colic? We think he simply loves the feel of the cool dirt on his belly. Most of the other boys seem to love doing this as well. It’s only rarely that I’ve seen an adult lie down on their side and quickly get back up that looked like an adjustment for a possible colic situation. It’s not uncommon at all for elephants to lie down. When they want some deep sleep, they lie down. When they have a new calf, the moms sleep standing up, even though they sure look like they want to lie down. But instincts say to stay on guard and to wake up the calves every half hour or so to nurse.

Does Mabu have a favorite offspring? I can definitely say that it’s not Impunga or Khosi. I would say that Kami is his favorite, and currently Macembe hangs out with him more than anyone else. Both Macembe and Lutsandvo also try to nurse off of him. Mabu doesn’t really initiate anything “fatherly,” but he sure does tolerate them all, and we consider ourselves fortunate to have such a great bull. (He’s my favorite elephant, by the way.)

For Don, the earliest recorded weight we have on Impunga was when he was three days old and he weighed 98 kilograms or about 216 pounds. As far as your theory on the mothers’ ventral edema (sagging stomach), even our vets don’t know the cause or the cure. For now I would say you’ve made an interesting observation. Only time and a bigger sampling will tell if you’re on to something.

Dianna from Ohio would like it if we could do a blog on a “Day in the Life of an Elephant Keeper.” Boy, would that be a write up! It would take a massive amount of time, and I’d probably want to post some set-up blogs such as how we train, why we train, and how and why we manage them the way we do. It would be quite an undertaking.

What are we going to do with all the males? For now they’re staying put. If Msholo proves to be viable or perhaps needs to have Mabu leave to become viable, then Mabu, a well-represented bull here at the San Diego Zoo Safari Park, would probably need to be moved to an AZA-accredited zoo where he can continue to take part in an African elephant conservation program. With the nearly completed yard connection, we have the possibility of having a yard just for the males, if need be. What a bunch of yahoos that would be! Male calves in the wild usually get kicked out from the protection of Mom or the herd around 8 to 10 years of age, so we have a lot of time to plan. The age and size differences between Mabu and ‘Musi are so great that we don’t see a problem between those two at present. The same goes for Msholo and ‘Musi, but we don’t know what Msholo will be like toward ‘Musi. As his sire was a wild bull from Swaziland, ‘Musi is a very important breeding possibility. Some day we hope to build a new African elephant facility designed to house different elephant social groups somewhere out along the Journey into Africa tour path. I would love to keep all of them, but that’s because I’m attached to them.

Curtis Lehman is an animal care supervisor at the San Diego Zoo Safari Park. Read his previous post, Elephant Manners.

83

Tina and Jewel Update

Tina and Jewel when they first came to us in August 2009

I thought I would share some thoughts with you all concerning our wonderful pair of elephants, Tina and Jewel. I have been lucky enough to be a part of their training and care from the time that they arrived at the San Diego Zoo in August 2009. They have done so well since arriving here. Both are thriving, are in great health, and seem to really enjoy their days roaming Elephant Odyssey. I am happy to say that Jewel has completely recovered from all her dental surgeries and can be seen daily doing what she does best—EATING!  She has gained a little over 1,000 pounds (450 kilograms) since she arrived. Yes, 1,000 pounds! She looks so much better than when I first saw her. Tina is also thriving; her weight gain has leveled off, and she, too, is in great shape.

Tina and Jewel today

Both of them have responded well to their new training method, protected contact (a positive reinforcement training system), are quite good at their daily routines, and the vets are able to work around them with no problems. They transfer easily throughout the Elephant Odyssey exhibit complex, and both work very well with all the keepers. We have done some introductions with other elephants here, but neither of them have really had much time to interact fully with the others. Whenever they are apart for short periods of time, they come together and vocalize like a pod of dolphins: lots of squeals, squeaks, and squawks. Try saying that three times quickly!

We are very proud of the progress these two have made since joining our group of elephants. I can say without a doubt that they are in far better shape now than when they arrived over a year ago. It has been a real pleasure helping them enter this new phase in their lives.

Ron Ringer is a senior keeper at the San Diego Zoo. Read his previous post, Elephant Introductions Continue.

Correction: This blog was attributed in error to Rod Owlett, an animal care manager at the Zoo. Our apologies to Ron Ringer! Rod thanks everyone for your interest in the elephants here at the San Diego Zoo and your thoughtful and caring responses to our blogs.

51

What Name Will You Choose?

Vote for the little guy's name!

We received 1,019 exceptional suggestions from all of you to help us name Umoya’s 3-month-old male calf. The Park’s elephant keepers reviewed each and every one of them and had quite a few chuckles along the way.

Thank you to all of those who suggested that the calf be named after themselves! And thank you to all those who offered a tie to this year’s largest sporting event, the World Cup held in South Africa. Personally, I really liked “vuvuzela,” but it sounded a bit feminine. However, that’s just my opinion, and I didn’t vote. One of the several people who suggested this word offered this reasoning: “apropos, as the instrument is long and trumpets loudly, like an elephant’s trunk.” Cute!

He loves a good squirt of water!

Because the calf seems to love playing in water and having it poured into his mouth, many people suggested names that incorporated water, including “waterspout.” One person offered the name “Loxi” based on the African elephant genus of Loxodonta; someone had their thinking cap on!

But in the end, the keepers meticulously narrowed the choices down to three names that would translate well into SiSwati, the language of the Kingdom of Swaziland, the country the calf’s parents were rescued from in 2003.

The final three names are:
1. Emanti, a word that means “water.”
2. Usutu, which is a large river in Swaziland.
3. Mnakabo, a word that means “their brother.” This word was chosen to represent the herd’s growing population.

Beginning Monday, August 9, and until August 12, you’ll have the chance to vote for your favorite of the three final choices. Voting will be online only, and all you have to do is go here to cast your vote. We’ll reveal the name at 11 a.m. on Thursday, August 26, at the Park’s elephant exhibit. Join us if you can, or watch it on Elephant Cam.

Follow this link to help name the elephant calf: http://www.sandiegozoo.org/africansummerfestival/calf_contest.php

15

Elephant Manners

Swazi's son, born April 2010

In my last post, Umoya’s Calf, I mentioned that due to the social hierarchy within the African elephant herd at the San Diego Zoo’s Wild Animal Park, the newest elephant calf, born May 12, 2010, to Umoya, has learned to “watch his step” around Swazi. Let me explain:

All the calves have to learn and establish their social rank in the herd, just as they would in the wild. Since Umoya is the second-ranked female, her calf benefits from his mother’s rank as long as she is nearby. Since Swazi is the top-ranked female, she doesn’t have to be submissive to any of the other females or their calves. Umoya’s calf is learning that around Swazi in particular, there is a submissive way to approach her, and there is the wrong way to approach her. He’s learning that the wrong way to approach her is head-on and that he should get out of her way when she’s moving about.

A submissive posture for an elephant is to turn around and back in toward the more dominant elephant as if “asking permission” to be in the dominant elephant’s space. It also appears to me that when the submissive elephant is startled by a situation that involves one or more dominant elephants, they will not only turn around, but they’ll vocalize and urinate as if to punctuate that they’re being submissive. It’s almost as if they’re saying, “Sorry, sorry, it wasn’t me, I’m sorry!”

Each encounter that I’ve observed has its own subtle nuances. Depending on which animals are involved and the situation, it gives me new angles in which to deduct its meaning. Someone else may interpret it differently as well. It’s all very fascinating to observe!

Curtis Lehman is an animal care supervisor at the San Diego Zoo’s Wild Animal Park.

Watch the Park’s elephants daily on Elephant Cam!