That a parrot can copycat sounds is nothing new. But vocal learning is not common in animals. Researcher Carel ten Cate of the Institute of Biology Leiden (IBL) of Leiden University has now discovered ...
HAYWARD, Calif. - A Hayward animal control officer managed to coax 11 ducklings out of a storm drain they had fallen into by playing mother duck sounds on her cell phone. A dozen ducklings were ...
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