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	Podcast:		BirdNote
	Episode:		Fairy-Wrens Sing Secret Passwords to Unborn Chicks
	Category:		Religion & Spirituality
	Duration:		00:01:34
	Publish Date:		2024-09-26 07:00:00
	Description:		Superb Fairy-wrens teach their embryonic chicks a secret code. This incubation call contains a special note that will later serve as a password. When the chicks have hatched, this password enables the adult birds to identify their babies in the darkness of their domed nest. A species of Australian cuckoo lays its eggs in the wren’s nest, hoping to pawn off the task of parenting. But wren chicks learn their mother’s song and incorporate the password note into their begging calls. More info and transcript at BirdNote.org. Want more BirdNote? Subscribe to our weekly newsletter. Sign up for BirdNote+ to get ad-free listening and other perks. BirdNote is a nonprofit. Your tax-deductible gift makes these shows possible.
	Total Play:		0