The individual steps of nest-building are instinctive, but only through practice do the fish become true masters.

If you look at a snail's shell, the chances are it will coil to the right. But, occasionally, you might find an unlucky one that twists in the opposite direction - as fans of Jeremy the lefty snail ...

Just when you think you have the basics down, just when you show signs of getting comfortable with your zoology, a profound discovery is uncovered that will rewrite molluscan, larval ecology and ...

We associate nests with shelter, warmth, and a safe retreat – and usually picture a bird's nest made out of twigs, grass and feathers. Yet many other ...