Millions of years ago, long-legged, big-beaked, meat-eating “terror birds” stalked the Americas. The imposing creatures ruled the roost as top predators of their ...

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

When a bird drapes its nest with snake skin, it isn't just making an interesting decor choice. Researchers find that for some birds, it keeps predators at bay. When a bird drapes its nest with snake ...

Though house sparrows (Passer domesticus) look a bit like native North American species such as chipping sparrows (Spizella passerina), they aren't closely related. These invasive and aggressive birds ...

Hello again Teller County. How many of you, I wonder, are reading this at your home where you can hear birds chirping as they happily feed on seeds that you left for them in a feeder? Maybe you like ...

"Anthropomorphic" is the term for assigning human attributes and emotions to animals − such as when I declared that the brown thrashers were furious when they found a snake coiled in their nest. But ...

After South Korea was hit with a lovebug infestation, social media posts and news reports shared a video falsely claiming it showed a flock of sparrows eating the insects on a mountain in Incheon, ...