migration

Are North American monarch butterflies really dying out?

Dinosaurs take a hike

Not just drifting by

Birds migrated through the last ice age

Bird migratory patterns change with the climate

Rare breeding behaviour in Californian bird

Captive-bred migratory butterflies don’t migrate

Indigenous arrival huge planned migration

Birds yearn for the bright lights of cities

Spring shift throws songsters off their timing

Tracking birds may stop them coming home

How prehistoric settlers reached Oceania islands

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