Swift migration biology

This video is about migration of swifts from the Netherlands to African countries like Mozambique.

Dutch swifts fly 280,000 kilometer a year, more than seven times the circumference of planet earth.

Biologist Raymond Klaassen studies their migration by providing the birds with geo loggers.

He recently won a Dutch prize for ornithology for his research about various bird species.

Negotiating an ecological barrier: crossing the Sahara in relation to winds by common swifts: here.

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