It's always a good idea to listen to your mother, but that goes double for baby fairy-wrens even before they are hatched.
If those fairy-wren babies want to be fed, they need to have a password -- a single unique note -- taught to them by their mothers from outside the egg. The nestlings incorporate that password right into their begging calls, according to researchers who report their discovery online on Nov. 8 in Current Biology, a Cell Press publication.
Lees meer: ScienceDaily
If those fairy-wren babies want to be fed, they need to have a password -- a single unique note -- taught to them by their mothers from outside the egg. The nestlings incorporate that password right into their begging calls, according to researchers who report their discovery online on Nov. 8 in Current Biology, a Cell Press publication.
Lees meer: ScienceDaily
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