Sibling Cooperation, Not Rivalry, In The Nest

We thought they cared about each other and it turns out, they actually do! A barn owlet squawks less when it knows its sibling is hungrier. Once the hungry sibling has been fed, an owlet will increase its own squawking. How sweet is that? (Okay, we know it is part of a survival strategy, but still, much more sibling bonding and cooperation than we ever would have thought to see in raptors.)

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