How Hurricane Florence May Affect Wildlife

Experts weigh in on the potential effects a Category 4 hurricane could have on wild animals, like birds and sea turtles, in the Southeast.

Sheep Teach Each Other How to Migrate Long Distances

Bighorn sheep migrate on long journeys, following a wave of green as plants come to life. Instinct doesn't teach this, but culture does.

Watch Thousands of Cranes Take Flight in One of Earth's Last Great Migrations

Watch the annual migration of around 600,000 Sandhill cranes as they flock to Nebraska’s Central Platte River Valley in one of the world’s largest and oldest remaining bird migrations.