Almost all of the ‘sex discordant’ birds were genetically female but had male reproductive organs, study finds
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For wild birds, sex reversal may be more common than ornithologists originally believed. A new study of roughly 500 birds from five species found that up to six percent had the physical features of one biological sex, but the genetic make up of the other. In one instance, a genetically male kookaburra had a distended oviduct. The scientists’ only possible conclusion? The male bird had recently laid an egg. “This indicates that sex determination in wild birds is more fluid than we thought—and can persist into adulthood,” said Dominique Potvin, a behavioral ecologist, ornithologist, and evolutionary biologist from the University of the Sunshine Coast in Queensland, Australia....
Almost all of the ‘sex discordant’ birds were genetically female but had male reproductive organs, study finds
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The deadly H5N1 bird flu has spread across much of the world, killing millions of birds and tens of thousands of mammals. How will Australia respond?
The deadly H5N1 bird flu has spread across much of the world, killing millions of birds and tens of thousands of mammals. How will Australia respond?
The deadly H5N1 bird flu has spread across much of the world, killing millions of birds and tens of thousands of mammals. How will Australia respond?
The deadly H5N1 bird flu has spread across much of the world, killing millions of birds and tens of thousands of mammals. How will Australia respond?
A study of wild Australian birds found that an invidiual's...
A study of wild Australian birds found that an invidiual's...
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