The Life Scientific - How does a giant cuckoo chick make its tiny warbler parent feed it enough? - 蜜芽传媒 Sounds
The Life Scientific - How does a giant cuckoo chick make its tiny warbler parent feed it enough? - 蜜芽传媒 Sounds
How does a giant cuckoo chick make its tiny warbler parent feed it enough?
The trickery of the baby cuckoo exposed by experiments with loudspeakers and blackbirds.
