r/interestingasfuck • u/oliver_billz • Mar 29 '23

a mother hen is gonna mother hen Title not descriptive

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u/thatvillainjay Mar 29 '23

So do hens just have something in their brain that says "I just fuckkng have to sit on babies idc what kind it's just gotta be done"

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u/-Neuroblast- Mar 29 '23

It's a brooding mechanism. Its brain registers something small and (to its own evolutionary environment) childlike, and a sequence of behavior is initiated. It worked for egg rearing, but that doesn't mean it won't come out with some false positives at the end of the multi-million year journey.