This 3 October 2020 photo by Dutch photographer Beverfoto shows a tufted duck in danger of being killed by a herring gull, being saved by a young black-headed gull.
The herring gull caught the duck three times. But first a great egret, then the black-headed gull intervened. After the third time, the herring gull gave up, and the duck swam on.
Dear Kitty. Some blog 
A video of this would have been very interesting, Dear Kitty. Nature continues to surprise and surprise!
xoxoxo
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Dear Carolyn, at https://vroegevogels.bnnvara.nl/community/fotos/fotograaf/Beverfoto scroll down, there is a photo series of this.
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They were wonderful images, Dear Kitty. Lucky little duck! The great egret’s behaviour was so unusual. Or was it?
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I have not seen similar photos anywhere else, but that does not mean that it may happen not elsewhere.
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