News Archive

Scientists at the Smithsonian Conservation Biology Institute's Center for Conservation and Evolutionary Genetics confirmed that the giant panda cub born Aug. 23 at the National Zoo is female. A paternity analysis showed that the Zoo's panda Tian Tian (t-YEN t-YEN) is the cub's father. Scientists...

WHAT: The Smithsonian's National Zoo will announce the sex and paternity of the

giant panda cub born at the National Zoo Aug. 23, and the second stillborn cub.

 

WHO:Pierre Comizzoli, reproductive biologist

Jesus Maldonado, research scientist

Brandie Smith, senior curator of mammals and giant...

By Matt Neff, Animal Keeper at the Zoo’s Reptile Discovery Center

When I started working at the Reptile Discovery Center late last year, I was lucky when I was asked if I’d be interested in helping with the Salamander Ambassador project. It rekindled the love for salamanders I’ve had since I was a...

The Smithsonian's National Zoo is mourning the death of its 23-year-old Przewalski's horse, a male named Rolles, who was humanely euthanized this morning. A final pathology report will provide more information.

In July, keepers observed that Rolles had some nasal discharge. Zoo veterinarians...

In the early morning hours, Mei Xiang gently placed her cub on the floor of her den. Vigilant panda cam observers were watching at 3:37 a.m., and we're delighted to share the video! You'll see the tiny cub has a round belly which indicates to the panda team that it is nursing well. Also, the cub has...

Scientists have studied bird migration for centuries, but it remains one of nature's great mysteries.

In the early morning hours, giant panda Mei Xiang gently placed her cub on the floor of her den. Vigilant panda cam observers were watching at 3:37 a.m. We're delighted to share the video with you on the Zoo's YouTube page! You'll see the tiny cub has a round belly which indicates to the panda team...

This morning, the panda team attempted to get the cub for a second veterinary exam. Mei Xiang was more alert and more aware of the keepers presence today, especially compared with Sunday when she seemed focused on the cub to the exclusion of everything else around her.

Our tiger cubs are 3 weeks old, and this morning they got their first veterinary exam—and passed with roaring colors. Veterinarians determined that the 2 cubs are a male and a female. The male cub weighs a little more than 8 pounds and the female weighs 7.5 pounds. During the exam the cubs received...

As kids around the area geared up for the first day of school today, the three-week-old Sumatran tiger cubs at the Smithsonian's National Zoo received their first veterinary exam—and they passed with roaring colors. Veterinarians determined that the two cubs are a male and a female. The male cub...

How is this work different from work done in domestic horses?

The domestic horse has been studied systematically for decades leading to routine use of assisted reproductive technologies such as artificial insemination, sperm cryopreservation, and embryo transfers. Despite these advances, little...

This morning, the panda team at the Smithsonian's National Zoo performed the first neonatal exam (8:56 a.m.) on the giant panda cub born Friday, Aug. 23. The cub is robust, fully formed and is a bright, healthy shade of pink. It is too early to determine the sex of the cub. It weighs 137 grams...

Look at these pictures of the cubs the keepers got this week. The keepers can already tell which markings they'll use to tell the cubs apart.Can you find one or two distinctive markings to distinguish one from the other?

At 7:29 p.m. this evening, Mei Xiang gave birth to a second, stillborn cub. Keepers watching Mei on the panda cam saw her groom it for 17 minutes. When she stopped grooming, it fell from Mei's body onto the floor of the den. It lay motionless and made no sound. Throughout, staff could see the first...