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seasonal colour change in birds

Birds balance sexiness and predator-avoidance by changing colour

Most birds remain the same colour year-round, replacing their feathers only once a year.

But some birds undergo a seasonal colour change and replace some of their feathers twice each year – often alternating between dull and bright

Biology 23 August, 2019
Purple-crowned fairy

Purple-crowned fairy-wren favours rain for breeding, study confirms

An international study led by Monash scientists has found that rainfall can influence the breeding cycle of the iconic Purple-crowned fairy-wren.

Biology 13 August, 2019
A male purple-crowned fair-wren

Monash scientists discover key to predicting fitness of birds

An international study led by Monash biologists has found that the length of a baby bird's telomeres, the DNA caps that protect chromosomes, can predict its future fitness.

Biology 12 February, 2019