European cuckoos lay very different eggs depending on the host species. Genetic analyses have revealed how this adaptation is inherited without leading to speciation.

Bird flu continues to spread among some of the country’s largest egg production facilities, raising questions about egg safety. Proper cooking eliminates any potential risk from eggs. The overall ...

European cuckoos lay very different eggs depending on the host species. Genetic analyses have revealed how this adaptation is inherited without ...

What can you see at the beach? Sunsets, crashing waves, shells, sea turtles… and fleas. And some of these sand fleas aren’t ...

Nesting birds are rewarding to watch. Get expert tips for on how to attract birds to a birdhouse and learn how to choose the ...

The color change, driven by hormones, seems aimed at preventing males from accidentally mating with each other.

Learn how to tell male and female hummingbirds apart with these three simple tips. Discover the clues in their color, size, ...

The Cumberland River is home to bass, walleye, and trout, making it an angler's favorite destination. You'll find lots of other wildlife there, too.

An ancient elk gazes into the distance from the steep shoreline cliff of Lake Yövesi. The autumn day is sunny, but very windy ...

When monsoon rains begin to fall on the Indian subcontinent, Asian common toads congregate at temporary puddles for a ...

Alex is said to have mastered 100 words and even asked questions – something that’s almost unheard of in non-human animals.

Understand the unique features of animal footprints around the world, focusing on one representative animal from various ...