bird migration

Land bird migration

Bar-tailed Godwit

Long-distance land bird migration

Swainson's Thrush

Northern Pintail

Bird migration

A flock of Barnacle Geese

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

Study techniques

Bird migration has been studied by a variety of techniques of which ringing is the oldest. Color marking, use of radar, satellite tracking and stable hydrogen isotopes are some of the other techniques being used to study the migration of birds.

 

Gambling


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