Discover strange facts about bird migration: arctic terns, bar-tailed godwits, sandhill cranes, and the species that fly tens of thousands of kilometres...

Arctic terns fly 70,000 km yearly from pole to pole. Expert guide to the longest migration ever measured and how this 100-gram bird navigates.

Explore the science of bird migration, from the Arctic tern's 44,000-mile annual journey to the bar-tailed godwit's non-stop 7,000-mile flight. Expert-written guide covering V-formation aerodynamics, magnetic navigation, flyways, altitude records, and the threats facing migratory birds worldwide.

Expert guide to the longest animal migrations on Earth. Covers the Arctic tern, bar-tailed godwit, monarch butterfly, wildebeest, and whale shark migrations, plus the tracking technology that reveals how animals navigate thousands of kilometers.

Everything about the Arctic tern: the pole-to-pole migration, size, diet, breeding colonies, lifespan, and the strange facts that make Sterna paradisaea the longest-migrating animal on Earth.

Everything about the barn swallow: size, habitat, diet, migration, nesting, tail-streamer biology, conservation, and the strange facts that make Hirundo rustica the most widespread swallow on Earth.

Everything about the bar-tailed godwit: the 13,560 km non-stop flight, Alaska to New Zealand migration, size, diet, breeding, and the strange facts that make Limosa lapponica the world record holder for non-stop bird flight.

Everything about the sandhill crane: size, habitat, migration, courtship dance, subspecies, reproduction, conservation, and the strange facts that make Antigone canadensis one of the oldest bird lineages alive.

Everything about the wandering albatross: wingspan, dynamic soaring, Southern Ocean range, breeding cycle, 120,000 km annual migrations, longline bycatch, and the strange facts behind Diomedea exulans - the bird with the largest wingspan alive.