Seneca Park Zoo to Care for Denver Zoo Sea Lion ‘Gunni’ While Construction On New Habitat Occurs

August 25, 2023

Gunni, short for Gunnison (pronounced Gunny) arrived on Monday at 1:00pm from Denver, Colorado. He was crated and accompanied by three people, one of which was a veterinarian. He was born on 6/11/15 at Denver Zoo. Gunni weighs 260 lbs. 

 

He will be with us while Denver Zoo builds a new sea lion habitat. Gunni’s keeper flew in to meet him for unloading and stayed another two days to help acclimate him. She also showed staff his many behaviors to ensure his transition was smooth and as stress free as possible. 

He has actively participated in training sessions since arrival and has seen the four sea lions already in our care through mesh. They are all very curious and will introduce Gunni slowly so that Lily, Mary Lou, Daley, and Bob are comfortable with their new habitat mate. 

Below are some videos of him already taking to enrichment and training with our team. Welcome to Seneca Park Zoo Gunni!

– Assistant Curator Kellee Wolowitz

The Journey of Seneca Park Zoo’s Panamanian Golden Froglets

Last year our adult Panamanian golden frogs laid a clutch of eggs, which successfully metamorphosed into healthy frogs.  Seneca Park Zoo is proud to share this amazing success, since this species is now extinct in nature.  Our efforts to conserve Panamanian golden frogs include field work in Panama, along with the successful raising of these froglets.  Here was their journey!

By Zoo Keepers Catina Wright & Rhonda McDonald 

April 15th 2022 –  Female Panamanian golden frog laid eggs in strings in the water.  Keepers collected them and placed them in a behind the scenes observation tank for monitoring. Eggs began hatching a week later. 

Female adult Panamanian golden frog
Panamanian golden frog eggs
Panamanian golden frog eggs in water - April 15 2022
Panamanian golden frog eggs

July 14th 2022 –  Tadpoles grew in size and about 3 months later began to sprout hind legs.  Picture shows left tadpole with hind legs starting to grow. They were living fully in water and eating algae wafers, as well as algae off of rocks. (right)

July 31st 2022 –  The tadpoles formed into froglets with all 4 legs and color markings beginning to show. They were living mainly in water, sometimes venturing out on land.  Still eating algae. 

August 6th 2022 –  The froglets completely absorbed their tails, and had full markings.  They were living fully on land and eating very tiny invertebrates called springtails.  As they grew they were able to eat pinhead crickets and eventually move to fruit flies and small crickets. 

August 14th 2023 –  One year after forming into froglets, the young adult frogs are still behind the scenes but are doing great and still growing, at about ¾ the size of an adult. 

This is an important milestone for Seneca Park Zoo, and we are proud to contribute to bolstering the Panamanian golden frog population in AZA zoos.

Why are Snakes Important?

August 20, 2023

Snakes and humans have had a long, troubled relationship. For as many years as I have worked at the Zoo, I hear the same themes repeatedly. Some people are fascinated with snakes, but most are fearful of them or even despise them. This history goes back much farther than a zoo career – even thousands of years. I have been in the “fascination” group since I was a young boy. One thing that I have learned is that the fear is often mutual for snake and human. There have been many negative encounters between both for ages.

Since I have worked at the Zoo, I have spent a lot of time dedicated on education and dispelling myths about snakes. I consider myself lucky to work with snakes and study them in nature. I have increased my knowledge of snake behavior across many species and am often impressed by their inquisitive behavior.

Some of this behavior is likely driven by unique adaptations that snakes possess. Snakes use a different sensory organ to smell. This organ is often called the Jacobson’s organ or vomeronasal organ. In snakes, these are two bulb-like organs on the roof of the mouth. The forked tongue collects odor molecules and distributes them to these organs. There is evidence that the forked tongue and both organs in the mouth help snakes determine where the scent is coming from. Stereo sense of smell!?

Another example of a unique adaptation that might lead to inquisitive behavior would be the heat sensing organs that some snakes possess. It is well known that the pit vipers have highly adapted heat sensing organs, but did you know that many boas and pythons possess these as well? These organs help these snakes hunt for “warm-blooded” prey day or night. New evidence shows that these snakes use these organs as a way to aid in thermoregulation helping them to find warmer or cooler spots to regulate their body temperature.

Snakes are amazing predators! Some use ambush as a hunting technique, while others are active foragers. This makes a lot of sense if you think about it. Snakes rely on the element of surprise as a way to survive. They try very hard to spend their lives to go undetected. Unless you are prey, they just want to be passed by. This is often where the snake and human conflict arises. And it is just as surprising to the snake as it is to the person!

Some species of snakes live very close to places where we live. Often some of the things we like are exactly what snakes need because their preferred prey or habitat reside near. For instance, some of the things in our yards – garden rock borders, firewood piles, garbage cans, and fences attract prey and create an ideal hunting opportunity for snakes. Often, the foundations of our own homes create the same hunting opportunities or even create ideal over-wintering conditions for snakes.

We may not realize it, but these snakes are helping us by keeping our yards and homes free of small mammals too. Most of us don’t relish sharing space with small rodents. They get into pet food or even our own. Their feces can carry disease that can be transmitted to us through infected food. Some of these rodents can carry parasitic insects like ticks or fleas. These insects can also spread diseases like Lyme disease. One study on the feeding preferences of Timber rattlesnakes found that these snakes are estimated to each remove over 2500 ticks from the environment every year!

If you have the opportunity, I would recommend observing snakes from a distance – making sure they are comfortable with your presence. A snake that doesn’t feel threatened will demonstrate the inquisitive behavior that I’ve mentioned. They will slowly move through the habitat, sensing smells with their tongue. They may even come over to check you out. If it’s not scary for them, it won’t be scary for you! At the very least, always make sure to give them safe passage. They do far more good than harm!

– Assistant Curator John Adamski

Is It a Frog or a Toad?

Frogs and toads are often difficult to tell apart. If you aren’t sure what differentiates them, you can easily find out what they are by their names. Right? Wrong! Oftentimes species names do not represent their true classification. For example, Panamanian golden frogs are actually toads, and fire bellied toads are actually frogs! Confused? Here are some basic characteristics to help you out:
Toads tend to have dry and warty skin, while frogs tend to have smooth and slimy skin. However, this isn’t always true, and should not be used as the main way to tell them apart!
 
Toads lay their eggs in strings along waterways, while frogs lay their eggs in clumps in waterways.
 
Toads have short hind legs for hopping and walking, while frogs have long hind legs for leaping and swimming.
 
Toads have eyes that are lower on their face, while frogs have eyes on the tops of their heads in order to see above water while their bodies are submerged.
 
Toads live on dry land as adults, while frogs tend to live in or by water as adults.

Think you have enough info to figure it out? Next time you’re at the Zoo, check out the amphibians and see if you can spot the differences!

– Zoo Keeper Rhonda McDonald

 

Zoo Keeper Rescues: Animal Care Never Stops!

The other night my wife and I found a week-old kitten in the middle of our yard that had been left by its mother, a local stray. As we dug out the towels, feeding bottle, milk formula, and more, I started to think about how many animals have passed through our lives as well as the lives of our fellow Seneca Park Zoo zookeepers. I decided to do some brief interviews with our animal care staff and asked the question “How many animals in need have you saved, either by finding or giving a home or safe place to or adopting personally from a rescue or shelter?” I told them this applies to any animal, wild or domestic, that they’ve taken on. 

Would you be surprised to find out that just 20 keepers here at Seneca Park Zoo have saved more than 300 animals ranging from bearded dragons to donkeys and everything in between? This number does not include the efforts of our amazing educational staff, volunteers and docents that are cut from a similar cloth. Nor does this consider zookeeper extraordinaire Rhonda McDonald, a certified wildlife rehabilitator for 15 years, who has saved over 700 animals by herself! Much respect, Rhonda.  

The keepers here at Seneca Park Zoo are amazing people who are committed to a life much larger than their own. They open their hearts and homes to animals in need, without hesitation or reluctance. Hoping someone else will step in is not an option. I’m proud to be a part of this family that works together every day to give world-class care to the animals in their charge here at the Zoo, and tirelessly outside of work, in our community.  

– Zoologist Brian Sheets

Celebrate African Elephant Moki Turning 41 and Learn About This Amazing Species From Her Keepers!

July 15, 2023

This summer is a little sweeter knowing that Moki is turning 41 years old! She is past the average life expectancy of female African elephants, which is 38.5. Moki is always eager to participate in training sessions, unless she’s sleeping in the sun. 

 

An elephant’s truck is an amazing adaptation that allows them to do remarkable things. An elephant’s trunk has more muscles in it than an entire human body does. It can function as a hand, nose, an extra foot, a signaling device, tool, siphoning water, digging, dusting, you name it! Moki is a great ambassador animal that is always highlighting this iconic characteristic. 

When Moki swims in the pool, you can see her using her trunk as a snorkel. You also may see her picking up large tree trunks or gently picking blades of grass to eat. An elephant’s trunk can also hold up to 2.5 gallons of water. African elephants have two “fingers” at the end of their trunk while Asian elephants only have one. Even though baby elephants can stand quickly after birth, they have to learn how to use their trunk. 

During your next visit, be sure to wish Moki a very happy birthday. She will be the one reaching the furthest for the food!

– Zoologist Kat Kleinschmidt 

Veterinary Care for the Birds

Working with birds is fun, but does have challenges as well! Here at the Zoo we have many different birds in our care. In our education building, which is not open to the public, we have psittacine birds (parrots). These birds partake in education programs and the Zoomobile. We have raptors (birds of prey), which includes the snowy owls and red-tailed hawk. The Savanna Aviary contains spotted dikkops (a shore bird), sandhill cranes, and multiple species of passerines (perching birds/song birds). Of course, we also have African penguins in the Rocky Coast area too!

Birds have many unique adaptations. They all have feathers which serve as insulation, aid in flight (or swimming for the penguins), and can serve as signals to other birds. Birds go through molt, which is when they lose old feathers and grow new ones. Some birds do this gradually, but some birds molt all their feathers at once. African penguins are a species that molts all at once so you may see some of them looking quite bald like little vultures. These birds are not sick, they are just molting their feathers! When new feathers first grow in, they are connected to blood vessels and are called a “blood feather.” Once the feather is fully grown, it loses the blood supply. However, if a feather breaks while it still has a blood supply it can bleed a large amount. When this occurs, we need to remove the feather to stop the bleeding. This can happen to pet birds too and is one of the most common pet bird emergencies.

 

Most birds also have hollow bones to reduce their weight for flight. Penguins and other flightless birds are an exception to this and have solid bones like us. Birds do not have a diaphragm, the muscle that separates the chest and abdomen in mammals. They do have air sacs which help to increase airflow through the respiratory system and keep a higher oxygen flow into the body.

It is important for our safety and the safety of the birds to be aware of how a bird might act when we handle them for veterinary procedures. For long procedures, we will anesthetize the birds. This reduces the risk of them injuring us and reduces that risk that they injure themselves trying to escape. Most birds first instinct when we restrain them for an exam, nail trim, or to draw blood is to flap their wings to try to get away. This can cause injury to the wings so we cover their wings with a light towel. Parrots might try to bite while raptors will try to use their talons for defense. 

All of the birds that go outside receive a vaccine for West Nile Virus. This virus is spread by mosquitos and can cause neurological disease in many different animal species. Penguins are also prone to another mosquito borne disease called avian malaria. This is a parasite that only infects birds. This disease was very rare in the northern US, but is becoming more common because climate change is leading to longer mosquito seasons and different species of mosquitos moving further north. To protect them, the penguins receive a preventative medication during mosquito season.

The highly efficient respiratory tracts of birds make them prone to respiratory infections. One that has been in the news lately is avian influenza. The Zoo has a plan in place to help protect our birds from this virus. This plan was developed through discussions with veterinary teams at other zoos and the NY state veterinarian. They can also get a fungal infection called Aspergillosis. This is a fungus that exists in the soil and can infect birds when they are stressed or ill with another disease.

Birds hide signs of illness very well because in the wild, if they show signs of weakness, they become a target for predators. Because of this adaptation, we regularly evaluate all of our birds.  They receive an overall annual checkup and the keepers give daily reports on anything abnormal so that we know if a bird needs additional exams or tests such as blood work or x-rays. The bird’s weights are also monitored.  If a bird does need any tests performed, we bring them to the Animal Hospital. X-rays allow us to not only see the bones but also the outline of the heart, liver, and other internal organs. Some diseases will cause enlargement of organs which we can see on the x-rays. The blood allows us to check the red and white blood cells along with enzymes that show liver and kidney health, protein levels, and electrolytes. 

Stop by and visit with the man species of birds in our care this weekend and all throughout the year! 

 
– Dr. Chris McKinney (DVM / Zoo Veterinarian) 

Keeper Connection: Sea Lion Rehab and the Seneca Park Zoo

Here at Seneca Park Zoo, we are home to four California sea lions. We have three females and one male. Lily, Mary Lou, Daley, and Bob are all special, but Lily has a very interesting story about how she came to live at Seneca Park Zoo. Assistant Curator Kellee Wolowitz shared that story with us below.

Lily was captured on a boat float in Marina Del Rey Harbor, Los Angeles County, on December 4, 2009. She was suffering from emaciation and had an abscess on her front right flipper. While the abscess was treated and did heal, she lost her ability to flex her flipper and walks with a permanent limp. 
 
Due to this injury, it was determined she could not be released back into nature. Once she was medically cleared, Lily was brought to Seneca Park Zoo from Fort MacArthur Marine Mammal Center in San Pedro, California on January 25, 2011. That might seem like it was a very long trip, but she was flown on a plane and was accompanied by zoo staff that monitored her very closely. 
 
Since her arrival, she has thrived and has given birth twice. Her son Bob, currently lives here at the Zoo and was born on June 7, 2017. He can often be heard vocalizing throughout the Zoo! 
 
Lily is a laid back sea lion, and knows many different behaviors. Many of these behaviors allow us to preform medical examinations with little to no stress. Lily receives voluntary hand injections of her vaccines, rolls over so we can look at her belly, and opens her mouth so we can look at her teeth, presents both her flippers, and can lay flat. She even lets us give her eye drops. We also do some fun behaviors that allow her to exhibit natural behaviors and is also enriching for her. 

Unfortunately California sea lions like Lily face many obstacles in nature. Their natural predators are sharks and orcas, or killer whales, but that is not the worst of it. They are protected under the Marine Mammal Protection Act, which makes it illegal to harm them, but they are still killed or injured by fisherman who see them as a threat or competition to their livelihood. 

Entanglement in, and ingestions of, plastics in the ocean, malnutrition due to overfishing, infections, parasites, and harmful algal blooms, are other threats. If you want to help sea lions, you can do so by eating fish recommended by the Monterey Bay Aquarium Seafood Watch Program, reduce toxins you use on your lawn and gardens, reduce trash by avoiding single use plastics, and dispose of fishing lines and lures properly. 

Lily is a success story, thanks to the Marine Mammal Center and Seneca Park Zoo, so let do our part to make sure all California sea lions are able to live in a clean, healthy environment! 

 

– Assistant Curator Kellee Wolowitz

 

Keeper Connection: Opportunities, Barriers, and Suggestions for Orangutan Rehabilitation and Re-Introduction Centers in Indonesia.

In the fall of 2017 I visited Indonesia to expand on my Masters of Science theses titled Implementing Best Practice Guidelines: Opportunities, Barriers, and Suggestions for Orangutan Rehabilitation and Re-Introduction Centers in Indonesia.

While in Indonesia I visited three primate rehabilitation and re-introduction centers: The Aspinall Foundation in Java, Sumatran Orangutan Conservation Program in Sumatra, and International Animal Rescue in Kalimantan, Borneo. 
 
The Aspinall Foundation rehabilitates and re-introduces Javan gibbons to the wild, langurs and various other primate species that may be surrendered or rescued. International Animal Rescue focuses mainly on Bornean Orangutan re-habilitation and re-introduction into the wild. The primate species within these centers are victims of mass habitat deforestation for agriculture or the wild primate pet trade. 
 
My main focus was to determine whether the International Union for the Conservation of Nature (IUCN) Best Practice Guidelines for the Re-Introduction of Great Apes was in need of an updated version since it was first published in 2007. Orangutan and other Indonesian primate rehabilitation centers have seen a dramatic increase in number of orangutans in need due to the continued deforestation of their habitats in order to grow palm oil. Because of the increase of individuals and the decrease of wild habitat to re-introduce them into, the practices that were once standard in the past have now changed.

My project aims were based on a theme:

1. To determine the applicability of the IUCN Best Practice Guidelines for the Re-Introduction of Great  Apes to orangutan rehabilitation and re-introduction practitioners;

2. To determine the major difficulties practitioners face in implementing the IUCN guidelines; and

3. To determine the potential need for an updated best practice guideline containing in-depth orangutan-specific rehabilitation and re-introduction practices. 

 
I obtained my data from interviews with practitioners and questionnaires handed out to those willing to participate. The questions asked pertained to the project aims.
 
The quantitative results from the questionnaire determined that the majority of practitioners felt that the IUCN guidelines for great ape re-introduction lack orangutan-specific information with a need to update sections regarding policies and protocol for guideline compliance and post-release monitoring. 

– Zoo Keeper Clare Beldin-Walker

 

Resources for orangutan conservation:

African Elephant Lilac Turns 45 – Learn How She is Helping Advance Science for Her Species

May 1, 2023

This year, African elephant Lilac turns 45 years old. At this age, female African elephants are considered geriatric. She is in the middle of Seneca Park Zoo’s other elephants, Genny C (45) and Moki (40). Lilac participates in daily training sessions and daily bath sessions—plus she’s always eager to test out new enrichment items. Lilac has a lively personality!

Over her lifetime, Lilac has learned and maintained more than 50 different behaviors. Many of these behaviors allow Lilac to voluntarily participate in her own health care, such as presenting her feet for radiographs, allowing keepers to file her toenails, and opening her mouth for inspection of her teeth. Every time she chooses to participate, she gets tasty treats for reinforcement! All three of our elephants, including Lilac, are trained to participate in voluntary blood draws, where keepers are able to draw blood from behind the ear. These have always given us valuable information about the elephants’ health, but this year, Lilac’s blood is contributing to a global cause.

 

Elephant endotheliotropic herpesvirus (EEHV) is a naturally occurring virus in elephants, both in their natural range and in zoos. EEHV usually remains latent, but when EEHV becomes active, it can cause hemorrhagic disease in susceptible elephants. Many elephants are able to fight the virus on their own, but calves are the most susceptible to EEHV after they have been weaned, since they are not being protected by their mother’s antibodies.

There is currently no known cure, but knowledge from ongoing research has evolved and improved the treatment of EEHV. Currently, elephants can potentially recover if diagnosed and treated early. Our elephants here at Seneca Park Zoo are at low risk due to their age, but our Zoo is still able to contribute to the cause. Seneca Park Zoo collects elephant plasma to contribute to an “elephant blood bank” that is maintained by an alliance of zoos housing elephants that are able to collect plasma. There is currently no known cure for EEHV, but donated plasma can be used for research or to treat this virus in other elephants. This year, Lilac became a first-time plasma donor, and she did a great job!

She was patient with her keepers and veterinary staff, and she appeared to enjoy all the attention and variety of food treats. Because Lilac has a strong foundation with her voluntary medical behaviors, she is able to help other elephants around the world.

– Zoo Keeper Morgan Saidian

Lilac's "Birthday Cake" Enrichment