Chatham Island black robin  (Petroica traversi)

Biology

Pairs generally mate for life and produce a clutch of two eggs each year (3), which are aggressively defended (2). The average life expectancy is four years (3).

Black robins spend the majority of their time in the lower branches of the forest away from strong winds, or foraging amongst the leaf litter on the forest floor. They are insectivores; feeding on a wide range of invertebrates including cockroaches (5), worms and the endemic weta (a type of cricket) (6).

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