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Birds Sing to Their Eggs, and This Song Might Help Their Babies Survive Climate Change

Smithsonian Magazine: “Birds feeling the heat from warming weather may be able give their offspring an early weather advisory right through the eggshell—which could in turn help baby birds prepare for the forecast. A new study shows that the songs zebra finches sing to their eggs late in development may give the young a head start in dealing with warm weather once they hatch. Researchers have long known that birds like chickens or quails, which hatch fully capable of fending for themselves, can hear through their eggs—allowing them to imprint things like who their mother is. But or around 50 years, nobody believed anything happened inside the egg with birds that hatch dependent on their parents. A new study published today in Science upends that wisdom, showing that certain zebra finch calls can change their young’s growth and behavior in adulthood…” [h/t Jackie Royce]

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