Early naturalists suspected that birds closer to the equator are more colorful A new study provides evidence to support the long-held belief Difference in diet and the need for camouflage in a vibrant ...

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The long-held idea that birds living near the equator are more colorful than those living closer to the poles is true, suggests a recent study Paradise Tanager (Tangara chilensis). The sexes look ...

A new study has confirmed what biologists have long suspected: that tropical birds are much more colorful than their temperate peers. The study involved a mathematical color analysis of more than ...