When it comes to the sky, birds usually rule the air, but not always. There are powerful hunters out there that send even the boldest flocks into a panic. These aren’t just predators; they’re apex ...

Our skies are filled with awesome predatory birds, from the enormous harpy eagle to the silent owls, but one raptor is faster than all of them.

Long before big cats, terror birds reigned as apex predators. Here’s how these flightless birds hunted, and why they went extinct. Evolution occasionally indulges ...

A handful of bite marks on a fossil tens of millions of years old speaks to an ancient tussle between two terrifying apex predators. Reading time 2 minutes Sometime between 16 and 11.6 million years ...

Written for you by our author Krystal Kasal, edited by Gaby Clark, and fact-checked and reviewed by Andrew Zinin —this article is the result of careful human work. We rely on readers like you to keep ...

A Haast’s eagle attacks a moa pair. John Megahan, PLOS Biology, 3(1): e20 via Wikipedia under CC By 2.5 Evolution has a fondness for big birds. During the past 66 million years, repeated on different ...

A wildlife ranger in New Zealand filmed “rare footage” of a fight between a flightless bird and the country’s “largest reptile,” officials said. Photo from New Zealand’s Department of Conservation A ...