Videos

Avian Promiscuity

Sperm competition represents an important component of post-copulatory sexual selection.

Selecting cuckoos

Interspecific brood parasitism represents a prime example of the coevolutionary arms race where each party has evolved strategies in response to the other.

Host-parasite reversal

The impact of multiple invading species can be magnified owing to mutual facilitation—termed ‘invasional meltdown’—but invasive species can also be adversely affected by their interactions with other invaders.