Articles about 'parasite'

Newly hatched chicks of African honeyguide birds bite to death their foster siblings to eliminate competition.

Using field experiments in Africa and a new computer model that gives them a bird's eye view of the world, Cambridge scientists have discovered how a bird decides whether or not a cuckoo has laid an egg in its nest.

The common view has been that parasitic infections cause disease and must be eliminated. But can we live without them?