We describe a technique for object detection that uses a combination of global shape descriptors and local point descriptors. Our system is able to represent pose using a global shape descriptor, ...

All the season’s colors made the gray mockingbird seem so majestic,” says Birds & Blooms reader Sujata Roy. In addition to ...

As the sun sets and most of the natural world falls into slumber, owls rise to claim the night. These mysterious, wide-eyed ...

Cowbird mothers abandon their eggs in the nests of other bird species, but the chicks somehow manage to find their flock and ...

A Greater Roadrunner zoomed into view and hopped atop one of the tee boxes to survey its surroundings. I focused my ...

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Using unconventional methods, the researchers showed just how good birds are at distinguishing wasp mimics from the real ...

Despite its tiny stature, the smallest bird native to North America can survive cold nights in the Rocky Mountains, and some ...

A million years ago, in 1993, Steven Spielberg’s “Jurassic Park” unleashed two menaces on the planet. The first, of course, ...

Because birding requires little gear, and can be done almost anywhere, it’s a great activity for your next trip. Here’s what ...