Birding Longcanggou, Sichuan again (but maybe for the last time)
10,000 Birds
MARCH 6, 2023
Apparently , they use the presence of their own eggs as a cue for recognizing parasitic eggs – so without the presence of their own eggs as a template they fail to recognize a parasitic egg. Some individuals even rejected their own eggs when they were in the minority. Animal Class. World War 1?
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