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little miss high and mighty's avatar

Looks like cowbirds are squatters, egg and nest-wise.We are sill looking for any sign of Cowbird nests, They don't make their own, actually. Cockoos, famiusly do the same trick.Some birds can out trick the interlopers (as some do to Cukoos) by buiding new nests on top of the foster famiy eggs but this does not always work. Some birds can tell the difference (size, color) Most do not.People try to help by removing the wrong eggs but be advised- one should not mess with these nests or the eggs for fear of disturbing the real eaggs and their pairs- especially late in the season when they don't have enough time to rebuild or alter their own nests against the Cowbird intriues.P---(animal lover) wrote this.

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Naytch's avatar

Aw, nuts!

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