Archive for the ‘ZooKeepers’ Category

Recent Turtle Hatchings at the Oakland Zoo

by | February 5th, 2013

Spotted turtles are native to the Southeastern United States. They inhabit bogs (swamp like areas), but can also be found in fresh still water. The spotted turtle is endangered due to habitat loss and the constant threat of being collected and placed into the pet trade. However, we are lucky enough to have these little creatures hatching and thriving here at the Zoo and in other zoos around the country.

In the month of December, the Oakland Zoo welcomed a few more spotted turtles to the family, and another just last week on January 31, 2013. Wayne and Gladys Valley Children’s Zoo Herp and Invert Keeper Adam Fink, fills us in about the most recent hatchlings as well as shares more facts about the spotted turtle.

A spotted turtle egg is about the size of a large grape, and unlike bird eggs that need to be rotated during incubation, reptile eggs must be kept in the same position as they were laid. This is because the embryo orients itself in the egg and turning the egg during this time could do much damage and kill the tiny turtle. Keepers are able to make an educated guess on whether the hatchling is male or female based on the temperature at which eggs are incubated. Females will result to warmer temperatures and males in cooler temperatures. “Like crocodilians, turtles can communicate to each other through the egg cases. This is why both species will have mass hatchings in the wild. The turtles or crocodilians will let each other know when they are ready to hatch and they all start hatching together. This is so that there is a better chance that at least some of the hatchlings will make it to the safety of the water,” says Adam.

Another interesting fact that Keeper Adam shared with us is that turtles, like all egg laying species, have egg yolks, which serve as nutrients for the developing embryo. However, unlike other eggs, the yolk is on the outside of the shell. The bottom of the shell has a small slit where the turtle comes out when ready to hatch. Once it hatches, the turtle will absorb the yolk sac, which in turn will close up that slit. If needed, the baby turtle can live off of the absorbed yolk for up to a few weeks.

Fink says the Oakland Zoo had about twenty spotted turtles hatch on site, with some continuing to live in our exhibit and some that have gone to join other zoos accredited by AZA, which is the Association of Zoos and Aquariums. Eight of the thirteen currently on exhibit have been born here at the Zoo.

Growing Up Oshy

by | October 31st, 2012

The time we’ve all been anticipating for years has finally arrived; Osh has now experienced his first musth. Bull elephants, both African and Asian, go through a period of heightened sexual and aggressive activity, or musth. Similar to that of a rut in hoofstock species, this is a period when bull elephants more actively compete for, seek out, and guard estrous females. Musth was first described in African Elephants in 1976 by elephant expert Joyce Poole and is characterized physically by stinky temporal

Osh, 18 years old, 10’3″ tall, 11,300 lbs.

drainage and swollen temporal glands, urine dribbling from the sheath, along with several specific distinct displays of behavior as well as heightened aggression toward other bulls. When a young bull goes into his first musth it generally only lasts for a few days or weeks as they come in and out of it. Bulls typically go into their first musth from the years of 18-25. At 18 years, standing at 10 feet 3 inches tall, and weighing in at 11,300 lbs, Osh seems to be experiencing similar patterns to that of the wild. Although catching the eye of the females will be much easier for him, since he won’t have any competition.  Older males with more experience can go into musth for up to several months, with the most successful breeding males in their forties. Females prefer musth males to non-musth males, although those not in musth may also breed successfully. About a week prior to being official we noticed an increased amount of temporal drainage from Osh’s temporal glands. We continued to observe heavy temporal drainage with a specific musky odor, which was followed by a wet sheath and a small amount of urine dribbling. Throughout the next two weeks we continued to observe these physical changes, sometimes the urine dribbling heavier, completely wetting down the insides of Osh’s legs. These are physical changes you can look for if you see him on exhibit. As of yet, we have not noted any dramatic behavioral changes which may change as time goes on. This is a very interesting time for the elephants as well as the keepers as we witness Osh go through a new chapter in his life.

Solid Support for Yes on Measure A1

by | October 25th, 2012

I have been an Oakland Zoo Docent for 1 ½ years, have a zoo membership, and am proud to support the Zoo and Measure A1. As a volunteer, I have witnessed the enjoyment of all zoo visitors as well the educational programs it provides. To be clear, Measure A1 is a not about expanding the zoo. It is a $1 per month parcel tax that will allow the zoo to continue to maintain its superior animal care and extend educational programs throughout Alameda County. This measure should not be confused with the project that was previously approved in 2011 by Oakland Parks & Recreation, Planning Commission and the Oakland City Council which included construction of a new, state-of-the-art veterinary hospital which is near completion. These approval agencies and the Alameda County Superior Court judge all determined the zoo had met the requirements to proceed with a project that will benefit hundreds of thousands of zoo visitors. The Zoo is proud that Congresswoman Barbara Lee, the Humane Society of the United States, as well as local education and animal rights advocates support A1. Other supporters are: 1) the East Bay Regional Park District, Alameda County Superintendent of Schools, Sheila Jordan, and School Superintendents in every city of the County due to the critically needed environmental education it provides children, and 2) animal care organizations, including the Ventana Wildlife Society, the Felidae Conservation Fund/Bay Area Puma Project, and leading Veterinarians due to A1’s goal to provide humane animal care. These supporters understand the intention behind A1 and how the funds will be used. Please join me and others in support of one of Oakland’s leading cultural, educational, and animal care organizations by voting Yes on Measure A1.

— Ann Thomas, Oakland Zoo Docent

YES ON MEASURE A1: ANIMALS ABOVE POLITICS

by | October 25th, 2012

I have been working in the animal care field for over 30 years. One thing I have learned is that when political differences arise, it’s the animals that pay the price. Measure A1 would ensure that the animals at Oakland Zoo continue to get high quality animal care. It will also allow the zoo to offer educational zoo trips that schools cannot provide. In a time when city and school budgets are cut, A1 is an important way the zoo can meet the needs of both animals and children.

Opponents of A1 say that they care about the animals, but voting against A1 would greatly reduce the zoo’s ability to provide things like heating systems, new fences, maintenance for animal enclosures and most importantly, maintain the food budget so we can continue to provide quality animal food. The opponents demean what the zoo is doing for animals by saying we use the “cute animals” for other means. I really don’t understand how they can be so selfish and use dishonest tactics and still stay they care about animals. I also don’t understand why reporters failed to report all the facts, and miss that the true intent of A1 is better animal care. The animals’ needs are real, and that’s the truth. I ask everyone to read the measure, see the truth and please vote yes on measure A1.
Michelle Jeffries, Zoological manager, Oakland Zoo

MEASURE A1—IT IS FOR THE ANIMALS

by | October 25th, 2012

The opponents of measure A1 want you to believe that the Oakland Zoo is using “cute” animals for “other purposes” than what the measure clearly states. This is demeaning to the zoo and to the animals. I have been in the animal care field for over 30 years and I have seen that when conflict arises and issues concerning animal care are not reported honestly, it is the animals that really pay the price. The animals’ needs are real, and this measure is the best thing that could happen for them. The measure will also support education and greatly increase the number of schoolchildren who can attend our zoo programs and learn more about the animals they see at the zoo. Measure A1 will also keep the admission cost low—so important for many of our visitors.

As an animal care manager at the zoo, my focus is the animals and providing the best care possible. The three sections I manage would benefit greatly if measure A1 succeeds. Our young camels have grown so much they need taller and sturdier fencing; the tiger night house needs expanding, a new heating system and a hot water heater; and the beautiful bird aviaries are very much in need of underground barriers for rodent control. We also desperately need a “tamer” — a structure that can safely hold giraffe during medical procedures. In a time of budget cuts and increasing costs however, it becomes more difficult to meet our animals’ needs. The animals need A1 to pass, and that is the truth. I ask you to please read measure A1 to see the truth, and vote YES!
Michelle Jeffries, Zoological Manager, Oakland Zoo

YES ON A1 Supports a Zoo with a Wild and Green Heart

by | October 25th, 2012

My family, friends and colleagues can attest to my green way of life and my and concern for the well-being of animals. For these reasons, I feel fortunate that I work as the Conservation Director at the Oakland Zoo. I chose this organization because the Zoo’s heart is like mine, wild and green, with conservation at the center of our mission.

monitoring western pond turtles

We have award winning green initiatives, including a new, LEED certified vet center. We are deeply involved in the protection of vulnerable wildlife, including the Western Pond Turtle and the California condor locally. We keep the Arroyo Viejo Creek clean and native, restoring it with volunteers from the local community, and we inspire thousands of children to connect to and take action for wildlife and nature.

Backed by many environmental organizations, Measure A1 protects local wildlife and provides sanctuary for rescued and endangered species. A1 is for all of us in Alameda County who have a true wild and green heart.

Amy Gotliffe
Educator, Conservationist and Oakland home owner