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Western lowland gorilla Calaya is in her third trimester.
February 23, 2018

#GorillaStory: Two Troops

Animal keepers Melba Brown (foreground) and Amanda Bania (background) train western lowland gorilla Calaya for ultrasounds.
February 16, 2018

#GorillaStory: Ultrasound Training with Calaya

Western Lowland Gorilla Calaya
February 09, 2018

#GorillaStory: Maternal Training with Calaya

Calaya gathers Timothy hay and wood wool for her nest.
January 26, 2018

#GorillaStory: Nest Building

Western Lowland Gorilla Calaya
December 18, 2017

#GorillaStory: Morning Sickness and Eating for Two

Western Lowland Gorilla Calaya
December 01, 2017

#GorillaStory: Communicating with Calaya

Western Lowland Gorilla Calaya
November 24, 2017

Gorilla Matchmaking

November 03, 2017

Western Lowland Gorilla at the Smithsonian’s National Zoo is Pregnant

Ring-Tailed Lemurs
May 05, 2017

A Day in the Life of a Primate Keeper

Keeper Erin Stromberg expresses milk from orangutan mother Batang while she holds her son, Redd.
January 18, 2017

The Secret Ingredient to Primate Development

January 06, 2017

Gorilla See, Gorilla Do

August 03, 2016

A Primate Paradox: Keeping Wildlife Wild Through Habituation And Eco-Tourism

October 01, 2013

Kigali

February 01, 2013

Gorilla Group Social Structure