Due to technical difficulties, we cannot process online payments. Free Entry Passes are still available and visitors may purchase Parking Passes at the Zoo (subject to availability).

Due to high demand, line access for the Giant Panda Habitat may close early. Arrive with time to spare for the best chance to see the bears.

Today's hours: 8 a.m. to 4 p.m. (last entry 3 p.m.)

Passes

Today's hours: 8 a.m. to 4 p.m. (last entry 3 p.m.)

Passes

Today's hours: 8 a.m. to 4 p.m. (last entry 3 p.m.)

News Archive

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Displaying 1 - 2 of 2 articles.

Geoffroy's marmosets Edwin (left) and Lilo (right) sitting on a branch in their exhibit.

November 08, 2021

Geoffroy's Marmoset Dies at Smithsonian's National Zoo

On Nov. 3, Small Mammal House keepers said goodbye to our last Geoffroy’s marmoset, Lilo. At 12 years old, she was considered geriatric for her species; typically, Geoffroy’s marmosets in human care live about 7 years.

April 10, 2013

Study Finds Baby Marmosets More Likely to Become Obese if Transition to Solid Food Faster

Baby marmoset monkeys that began eating solid food earlier than their peers were significantly more likely to be obese at one year of age, scientists at the University of Texas Health Science Center San Antonio and the Smithsonian Conservation Biology Institute have found. Marmosets on track for...

News Archive

Filter By

Displaying 1 - 2 of 2 articles.

Geoffroy's Marmoset Dies at Smithsonian's National Zoo

Study Finds Baby Marmosets More Likely to Become Obese if Transition to Solid Food Faster

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