The Andean condor is the world's biggest bird of prey, which can weigh up to 15 kg and has a wingspan of up to 3.3 meters.

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world.

The ostrich, the world’s largest bird, is indigenous to Africa, where ranchers have raised it for commercial purposes for more than a century. A decade ago, entrepreneurs thought that southeastern ...

The lights in the auditorium darken. The cacophony of voices subsides. The enormous screen comes to life, displaying a ...