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 ...

This is a preview. Log in through your library . Abstract Abstract Birdsong has evolved to help individual birds attract mates and defend territories. The breeding season is a critical period in the ...

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