Half of all bird species undertake annual migrations, everything from heavy-bodied swans to delicate hummingbirds. Migration is one of the most remarkable phenomena on the planet, hosts of animals of all shapes and sizes demonstrating incredible feats of endurance.
~ Some run, some fly, and some swim.Director
StatusReleased: 5 years ago
January 1, 2020
LanguageEnglish
Spoken LanguagesEnglish
Budget-
Revenue-