Huge Migration | Outdoors My Window

White stork flock migrating over Israel, Sept 2007 (photo from Wikimedia Commons)

19 August 2023

Fall migration is underway throughout the Northern Hemisphere. Some birds migrate alone or in small flocks that don’t entice a lot consideration. Others collect in such large flocks that they’re exhausting to overlook.

At pinch factors alongside their migration routes from Europe to Africa, white storks (Ciconia ciconia) journey in very giant flocks just like the kettles of broad-winged hawks in North America. Two such pinch factors are within the airspace over Israel, above, and on the Strait of Gibraltar.

On this quick video white storks are about to cross the Straits from Spain to Morocco however hit a wall within the air — the levant wind blowing from the east — in order that they wheel again. They didn’t depart Spain that day.

In North America semipalmated sandpipers (Calidris pusilla) migrate in large numbers from their breeding grounds within the Arctic to the shores of South America.

Semi-palmated sandpipers on migration in Maine (photo from Wikimedia Commons)

On the Bay of Fundy the flocks can number in the hundreds of thousands in August and early September.

(photographs from Wikimedia Commons; tweets embedded)

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