An understanding of bird biology is the starting point for conservation efforts. 3-D reconstructions of biological structures greatly add to this understanding.
Survivor: the flightless takahē was once thought extinct, before being ‘rediscovered’ in a remote valley in New Zealand.
Sheryl Watson / shutterstock
Geese honk loudly and point their bills toward the sky when they’re ready to start the migration. Here’s how they know it’s time, how they navigate and how they conserve energy on the grueling trip.