National Zoo

Jenna Pastel, research assistant for the Smithsonian's National Zoo's nutrition laboratory, stands inside a freezer stocked with samples of exotic animal milks. The freezer holds the largest animal milk repository in the world.

Making Sense of Animal Milks

January 29th, 2020, 10:39AM
After being one step away from extinct, the Guam rail has made a comeback and is now classified as critically endangered. It is only the second time in history that a bird species has recovered from being extinct in the wild.