The black-headed duck Heteronetta atricapilla, a little-known South American species, is the only obligate brood parasite whose chicks require no more parental care than incubation as eggs: within a ...
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Ancient duck-like creature discovered in Antarctica may be the oldest modern bird ever discoveredWhile rapid evolution took place after the mass extinction ... it's still not clear whether it really is a relative of modern ducks and geese, he said. V. iaai existed when global temperatures ...
A newly studied Vegavis iaai skull from Antarctica confirms that modern bird lineages, like ducks and geese, were evolving ...
Clarke notes that the ducks and geese of today are just a small ... has much to tell us about the earliest stages of modern bird evolution,” he said. Fossils of animals and plants from this ...
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