It isn’t easy being blue – the cost of colour in fairy wrens

It isn’t easy being blue – the cost of colour in fairy wrens

June 28, 2017 9.08am AEST

New research shows that fairy-wrens become more cautious as they change colour. Niki TeunissenAuthor provided

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Alexandra McQueen receives funding from the Holsworth Wildlife Research Endowment and Monash University.

Anne Peters receives funding from the Australian Research Council (Future Fellowship and Discovery Grants) and Monash University

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Monash University provides funding as a founding partner of The Conversation AU.

Victoria State Governmentprovides funding as a strategic partner of The Conversation AU.

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Male superb fairy-wrens change colour every year, from dull brown to bright blue. But being blue may be risky if you are a tiny bird that is easily spotted by predators.

Published today, our new study found that male fairy-wrens adjust their risk-taking behaviour after undergoing colour change, becoming more cautious while brightly coloured.

Superb fairy wrens help scientists learn about the evolutionary costs of being beautiful.

https://theconversation.com/it-isnt-easy-being-blue-the-cost-of-colour-in-fairy-wrens-80006?utm_medium=email&utm_campaign=The%20Weekend%20Conversation%20-%2077366119&utm_content=The%20Weekend%20Conversation%20-%2077366119+CID_5053a7faec7a585682f198b5f36f9188&utm_source=campaign_monitor&utm_term=It%20isnt%20easy%20being%20blue%20%20the%20cost%20of%20colour%20in%20fairy%20wrens

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