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.

Merganser Duck: North America's Diving Beauty

The Seabird's Cry

Study suggests embryos communicate with each other while still inside the egg

How to Get Rid of Muscovy Ducks, Are They Invasive

Lepidopteran - Metamorphosis, Wings, Pollination

Baby crocodiles cry from inside their eggs

Embryonic education: How learning begins long before birth

Unhatched Gulls Shake Their Shells to Warn Siblings of Danger

What is a Mockingbird? - 10,000 Birds

Into the Nest: It's hatch day! — Badgerland Bird Alliance

How Do Birds Get Oxygen Inside Eggs? : NPR

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

Light-induced asymmetries in embryonic retinal gene expression are mediated by the vascular system and extracellular matrix

Embryonic Eavesdropping: How Animals Hear and Respond to Sound