Sometimes in spring or summer, you might see a fledgling songbird. Like a toddler, it’s unsteady, awkward, and learning the ropes. And you might wonder if the young bird has left the nest too soon. (In the case of this Black-capped Chickadee, just 16 days after hatching) But a nest full of begging young can be a target for a predator. So there’s an adaptive advantage for nestlings to exit the nest as soon as they are able, even if they’re not quite ready to fend for themselves.
More info and transcript at BirdNote.org.
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