Bird embryos respond to adult warning calls inside their shells

A pair of researchers with Universidad de Vigo has found that yellow-legged gull embryos respond to parental warning calls by vibrating inside their shells. In their paper published in the journal Nature Ecology and Evolution, Jose Noguera and Alberto Velando describe their study of the gulls in their lab and what they learned.

Origin and function of the yolk sac in primate embryogenesis

Embryonic education: How learning begins long before birth

Bat Falcon The Peregrine Fund

Glossary of bird terms - Wikipedia

Even Unhatched, Birds Exchange Survival Skills - The New York Times

birds – Mary Ann Steggles

The American Oystercatcher - Cape Cod National Seashore (U.S. National Park Service)

Kids' Corner — Sacramento Audubon Society

We Helped Scientists Track Birds This Summer. - The New York Times

Embryonic Eavesdropping: How Animals Hear and Respond to Sound

Thank God I was raised when parents didn't jump on the latest Social Media Trend : r/BrandNewSentence

Photos Greater Farallones National Marine Sanctuary

36 Bird activity ideas + fun facts – Childsplayabc ~ Nature is our playground

As ice melts, emperor penguins march toward extinction