The Best Father's Day in D.C. (We Ain't Lion)

Reaching up to 10 feet (3 meters) long, arapaima are the largest freshwater fish in South America. Learn what else makes these animals unique.

This summer has been eventful for our youngest western lowland gorilla, Zahra, who will be 16 months old on Sept. 27. Read primate keeper Francesca Bozzo's update!

For the Zoo’s insect-eating residents, no meal is complete without live, nutrient-packed bugs.