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National Zoo and Conservation Biology Institute

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

You might be surprised to see someone walking around the Smithsonian’s National Zoo in a full-body snowsuit, but nutrition laboratory research assistant Jenna Pastel wears a snowsuit year-round. She spends her days in a -20 degree freezer that is home to the world's largest animal milk repository.

Guam rail bird with stocky body, striped chest feathers and stripes on its head walks through grass

Conserving the Last of Guam’s Avifauna: The Recovery of the Guam Rail

Walking through the forests of Guam is arresting — because it’s silent. But the sound of the forest is returning.

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