In bird couples, who is taking care of the kids?

Sex roles in birds describe sex differences in courtship, mate competition, social pair-bonds, and parental care. Different explanations have been put forward to explain these differences but none are based on a comprehensive ...

Plant disease outbreaks may be curbed by periodic wildfires

Wildfires have made headlines worldwide in recent years. Evidence points to wildfires increasing in frequency and intensity across vulnerable ecosystems as climate change impacts grow more evident. But periodic wildfires ...

What bird beaks say about tropical biodiversity

Areas of the globe where fruit-eating birds have wider beaks also have larger palm fruits, a new study shows. This sounds banal, but it provides new insights into tropical biodiversity and clues for solving species conservation, ...

Brainy birds may fare better under climate change

Many North American migratory birds are shrinking in size as temperatures have warmed over the past 40 years. But those with very big brains, relative to their body size, did not shrink as much as smaller-brained birds, according ...

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