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Hudsonian godwits cross the windy ocean

Hudsonian godwits cross the windy ocean

The Hudsonian godwit is a migratory bird travelling a marathon, transoceanic flight from South America to Arctic or sub-Arctic North America. Their flight paths tracked using Argos, in relation with variable winds, can help understand how they travel such long...
How do Egyptian geese find their way?

How do Egyptian geese find their way?

One of the mysteries of migrant animals is their ability to find their way back and forth during their long-range travels. Several hypothesis were tested on Egyptian geese to try to understand their navigation capacity. It seems they learn their way around.   Photo:...
Red Kites wintering in Spain

Red Kites wintering in Spain

Red kites are medium-sized partially migratory raptor. They often winter in Spain, but their behaviour there and during those non-breeding periods have not been extensively studied using satellite telemetry. A team used PTTs to understand better this season for those...