What happens to sparrows that don't learn their song during the critical period?
They mu...
Social Studies, 25.03.2020 21:25 alexamorantess
What happens to sparrows that don't learn their song during the critical period?
They must wait and learn the song one month later.
The sparrows have lost their chance to ever fully learn their song,
They must rely on adult sparrows to teach them the song for several extra months,
All statements are true.
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