News Archive

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 was able to give the cub its first neonatal exam. The cub is robust, fully formed, and is a bright, healthy shade of pink. It weighs 137 grams, which is about 4.8 ounces. Its heart rate is steady, and vets were able to hear breathing sounds from both lungs. It's belly...

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...

Giant panda Mei Xiang gave birth to a cub at the Smithsonian's National Zoo 5:32 p.m. The panda team heard the cub vocalize and glimpsed the cub for the first time briefly immediately after the birth. Mei Xiang picked the cub up immediately and began cradling and caring for it. Behavior watchers...

Giant panda Mei Xiang (may-SHONG) gave birth to a cub at the Smithsonian's National Zoo 5:32 p.m. The panda team heard the cub vocalize and glimpsed the cub for the first time briefly immediately after the birth. Mei Xiang picked the cub up immediately and began cradling and caring for it. Behavior...

Anne's filly is doing wonderfully. She cut her first tooth last week! A second Przewalski's horse foal was born on August 15 to a mare named Solongo (which means "rainbow" in Mongolian). The foal is a little colt born not from artificial insemination but from natural breeding. A Stallion named Frog...

Our elephant herd is growing again—this time with three female elephants from Calgary Zoo in Alberta, Canada! Next spring, Kamala, Swarna, and Maharani, will arrive here on loan from the Calgary Zoo, expanding our existing herd to seven. Kamala and Swarna were born in the wild around 1975 and came...

The Smithsonian's National Zoo will welcome three female Asian elephants –Kamala, Swarna and Maharani– next spring, expanding the Zoo's existing herd to seven. They will be on loan from the Calgary Zoo in Calgary, Alberta, Canada, which announced in April 2012 that it would relocate its elephants...

Calgary, AB – After an extensive international search and in-depth review of available accredited facilities, Calgary Zoo officials today announced that plans have been finalized for its three female elephants — Kamala, Swarna and Maharani — to make their new home together at the Smithsonian's...

Our fishing cat kitten, Wasabi, and his mom, Electra, are now on exhibit daily at Asia Trail's fishing cat exhibit. Lek (Wasabi's dad), is on exhibit in the second yard. Wasabi was born May 17, but had to wait to go into the outdoor exhibit until all of his vaccinations were up to date. Now he's...

When they hear the word "horse" most people have a distinct mental image of the domestic horse (Equus ferus caballus) we loved as children—who didn’t want a pony as a kid? The domestic horse has become a multi-million dollar industry to some and serves as companion animals to others. We have a vast...

The panda team at the David M. Rubenstein Family Giant Panda Habitat has officially started #cubwatch—which is normal for this point in the breeding season. Volunteer behavior watchers have been monitoring Mei Xiang via the panda cams 24-hours-a-day since August 7. Keepers say that Mei's behavior is...

While Damai was enjoying a break from the cubs this morning, our keepers were able to continue desensitization training with them. And they were able to take some photos of them! The training is going well and will help get the cubs used to the keepers' smell and presence. As you may have noticed...

Video Reproductive biologist, Budhan Pukazhenthi, with the Smithsonian's Conservation Biology Institute interviews about the first Przewalski's horse born July 27th, 2013 as a result of artificial insemination. This video also includes the filly's first steps at SCBI located in Front Royal, Virginia...

Damai came out of her den on Tuesday while keepers were in the Great Cats building, which is a good sign! That means she is comfortable with the keepers being near her cubbing den. While she was out she appeared very calm and stayed out for quite a while. She ate all of the meat keepers had offered...

The Great Cats team at the Smithsonian's National Zoo is celebrating a conservation victory. The Zoo's female Sumatran tiger, Damai, gave birth to two cubs Monday, Aug. 5. The cubs appear healthy, and keepers have observed Damai grooming and nursing them. It's taken more than two years of...

As we continue to watch Mei Xiang in hopes of a new addition to the David M. Rubenstein Family Giant Panda Habitat, we have noticed some behavioral changes in our female giant panda. In the past few days Mei has become much less interested in interacting with her keepers, and she continues to be...

Scientists at the Smithsonian Conservation Biology Institute are celebrating the birth of a female Przewalski’s (Cha-VAL-skee) horse—the first to be born via artificial insemination. The foal’s birth on July 27 signals a huge breakthrough for the survival of this species. SCBI reproductive...

Twenty-seven million years before the first human was born in Africa, North America teemed with more than 25 species of dog-like animals. It was the heyday of dogs; never before or since has there been such a level of diversity among these animals. But scientists are still figuring out how we got...

Scientists at the Smithsonian Conservation Biology Institute are celebrating the birth of a female Przewalski's (Cha-VAL-skee) horse—the first to be born via artificial insemination. The foal's birth July 27 signals a huge breakthrough for the survival of this species. SCBI Reproductive Physiologist...

As economic expansion and development fragments the forest landscape of central India, the species that rely on that habitat—including endangered tigers and leopards—face dwindling populations and increased competition for food and resources. Smithsonian Conservation Biology Institute scientists...

Scientists at the Smithsonian's National Zoo have confirmed a secondary rise in urinary progesterone in Mei Xiang. The rise indicates that she will experience the end of a pseudopregnancy or give birth to a cub in 40 to 55 days. Mei Xiang was artificially inseminated twice March 30 after natural...