US zoo to breed rhino siblings

In a desperate bid to preserve a critically endangered species, a US zoo is taking the controversial step of trying to mate brother and sister captive Sumatran rhinoceroses.

Sea animal has grow-again penis

Scientists reported Wednesday on the bizarre sex life of a sea slug that discards its penis after copulation. Then grows a new one.

Saving an endangered breed of donkey

Nothing I've read about the Baudet du Poitou donkeys prepares me for my first sight of them. They are girthy, with massive round bellies and oversized ears that swoop forward and back, sometimes independently of one another. ...

New model could help save koalas at a fraction of the price

Biobanking and assisted reproduction could become a reality for koalas by leveraging the existing technology used to help humans conceive. A detailed model, published in the international journal Animals, reveals this would ...

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