Animal migration moves birds, butterflies, salmon, wildebeest, and whales across land, sea, and sky. Learn why animals migrate, how they navigate, and what threatens their routes.
Arctic tern
Arctic tern — Tag on Our Endangered World
Arctic tern — Tag on Our Endangered World
Animal migration moves birds, butterflies, salmon, wildebeest, and whales across land, sea, and sky. Learn why animals migrate, how they navigate, and what threatens their routes.