Birds That Leave Nest Too Late Can Endanger Their Families

A baby bird’s ability to move and its chances of survival are closely tied, a new study finds.

Humans and birds have a surprising amount in common. Both can accomplish seemingly complex tasks, like distinguishing between faces and expressions and making musical instruments. And when it comes to raising their young, deciding when to move the kids out is another thing bipeds and avians have in common.

In both human and bird scenarios, parents often encourage their offspring to leave the nest earlier rather than later. For humans, the decision is nuanced, but for birds, their lives could depend on it.

In a recent study published in Science Advances, University of Montana researchers looked at how the age when birds leave the nest affects their survival. Turns out, survival of birds is closely tied to how ready

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