Birds build their nests out of everything from twigs and mud to spider silk. Some birds don’t even build a nest, and the places where they do build them can vary. For this month’s Chirp Chat, ...

But there is also a large group of wasps who gather up mud. In this video, a potter wasp makes its nest and then seals in a paralysed caterpillar. The wasp's larva will consume the victim as it ...