Somersaulting behaviour of Canada Geese On ist February 1970 we were members of a party of more than 20 people who witnessed an extraordinary performance by about 200 Canada Geese Branta canadensis which we had watched coming down on Ellesmere, Shropshire. Immediately they touched the water they went into a series of plunging, diving and bathing routines. Part of the flock began upending for five ...

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