Tui birds get pissed off if the bird who’s threatening them is a better singer. Birds sing for two main reasons — to get a mate and to defend their territory. New Zealand’s tui birds are notoriously ...

Not in my backyard. Territorial songbirds in New Zealand reacted more aggressively towards males encroaching on their territory if those rivals sang more complicated songs. The tui birds perceived ...

No one likes a show-off, not least the male tui bird from New Zealand. It has recently been found that the males cannot cope with others who outdo them in the singing department, and so act more ...