ANN ARBOR, MI – The bodies of birds across North and South America are getting smaller but with longer wingspans as the climate shifts and temperatures rise. Scientists at the University of Michigan ...

Discover the clever ways birds survive winter, from sunbathing and feathery insulation to behavioral and metabolic tricks that conserve heat and energy.

You’re at the park wearing a heavy winter coat, a beanie, gloves, a scarf, and warm boots—and you’re still numb and shivering from the cold. Then you notice a robin hopping from branch to branch.

Birds across the Americas are getting smaller and longer-winged as the world warms, and the smallest-bodied species are changing the fastest. That's the main finding of a new University of ...

But all birds have high body temperatures. The chickadee’s best trick is to go into torpor every night, a brief form of hibernation that reduces their body temperature by 20 degrees, saving energy. In ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. This article was originally featured on The Conversation. During ...

Birds’ bodies are shrinking in response to climate change, even in places like the Amazon rainforest that are relatively untouched by human hands. Researchers have studied information on more than ...

Researchers spent five years studying the gut microbiomes of Northern cardinals, a common backyard songbird known for its vivid red plumage. Their study explores how microbiome diversity impacts the ...

Birds across the Americas are getting smaller and longer-winged as the world warms, and the smallest-bodied species are changing the fastest. Birds across the Americas are getting smaller and ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Birds’ bodies are ...