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I'm from England http://xnxx-xnx.in.net/ xnxx sex The rejection of an egg, of course, depends on the parent's ability to determine their own egg from another's. The nest host must pick out various and small differences in its own egg and the imposter's. This is an excruciatingly important task because the risk of being wrong means they would be rejecting their own egg. It is a cognitive task that requires the parent to compare the eggs based on memory of what the egg looked like upon birthing.
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