Learn about different traits and adaptations in various species of hummingbirds in this video from Nature. [2:50]

This Nature video shows the migratory patterns and habits of the Rufous hummingbird. [2:41]

Decades of research has been dedicated to the impressive navigation skills of homing pigeons. To explain how these pigeons are able to find their way home from unfamiliar, distant sites, scientists have arrived at various theories. These...