Birds weighing 25g fly to 29,000km to avoid cold

According to a recent study by scientists, cold-flying birds have made 29,000-km flights during their migration from the North to Africa and back.

The study is based on the Oenanthe oenanthe bird, which weighs only about 25g, biologists were surprised by the journey that the bird could perform.

Oenanthe birds oenanthe

Accordingly, after installing signal transponders on the feet of several birds in Alaska and the Baffin island area of ​​Canada, scientists have been able to track details of the bird's cold-moving process.

Birds from Alaska flew over Siberia and Arabian deserts to head to Sudan, Uganda and Kenya. This cold course lasts 91 days but only takes 55 days in the return leg.

Meanwhile, a watched bird from Baffin Island flew over the Arctic Ocean, to England and then continued to cross Europe, the Mediterranean and the Sahara desert before reaching the coast in Mauritania, west. Africa. This flight cost the bird about 80 days both back and forth, equivalent to 7,500km.

Guelph University researcher Ryan Norris commented: 'These are incredible journeys, especially with the size of a bird'.