bird migration

Land bird migration

Submitted by nicolae on Fri, 08/08/2008 - 17:30

Language English

Tags:

migratory birds

migratory species

Bar-tailed Godwit

Long-distance land bird migration

Swainson's Thrush

Bird migration

Submitted by nicolae on Sun, 07/27/2008 - 13:02

Language English

Tags:

seasonal journeys

study techniques

migration conditioning

A flock of Barnacle Geese

Many species of birds undertake seasonal journeys of various lengths, a phenomenon known as Bird migration.