Hot weather 'causes Australian zebra finch eggs to hatch earlier than normal'

Very hot weather causes the eggs of Australia's desert-dwelling zebra finch to hatch earlier than normal, research has found.

This upsets the normal competition between baby birds and means some do not get enough food to survive, researchers say.

A new study, published in the Royal Society journal Open Science, is the first to show how hot weather can affect the incubation of a bird species, Macquarie University ecologist professor Simon Griffith said.

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