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 ...

Mating, tattoos and leaving home: A tale of growing up guppy

Nature is full of big questions that are easy to ask and hard to answer. With some good old-fashioned hard work and help from a humble, gilled vertebrate, though, Michigan State University's Sarah Fitzpatrick and Isabela ...

A brief history of the cabbage butterfly's evolving tastes

The cabbage butterfly, voracious as a caterpillar, is every gardener's menace. Turns out, these lovely white or sulfur yellow butterflies started trying to take over the planet millions of years before humans ever set foot ...

Body size, digestive systems shape ungulate foraging

Research led by a University of Wyoming graduate student involving about 50 scientists from across the globe has provided new insights into the behavior of ungulates (hoofed animals) as it relates to forage conditions and ...

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