Why did the marsupials sink with Zealandia?

Why did the marsupials sink with Zealandia?

If we survey the native faunas of the archipelagos of the world, it is birds rather than mammals that have, in general, succeeded on small patches of land isolated by sea. At first glance, this is unsurprising because the birds – or at least their ancestors – could have flown across the water…

What good is a clitoris?

What good is a clitoris?

Amputating the clitoris is, by any standards, an abuse of the human body. As in the case of a hand amputated, some functions have been lost. But which functions, exactly? The answer ‘sexual pleasure’ is too simplistic. Societies that routinely amputate the clitoris have lost respect for the biological nature of our species…

Why does no bird cock an ear?

Why does no bird cock an ear?

‘Pinna’ means feather in Latin, and yet it’s mammals, not birds, that have an ear pinna: that auricle projecting from each side of your head. Okay, so no bird has external ears like those of mammals, but is this a biological trivium or a real mind-teaser? The feather is, after all, the definitive feature of living birds…