Kelenken is a genus of phorusrhacid ("terror bird"), an extinct group of large, predatory birds, which lived in what is now Argentina in the middle Miocene about 15 million years ago.

Kelenken is a bird that was discovered in 1999 by Guillermo Aguirrezabala in Comallo, Argentina. This bird was one of 18 different groups of “terror birds” which lived on this planet. This bird …

Kelenken was one of the largest carnivorous birds of all time, reaching 2.28 to 2,5 meters tall and weighing around 250 kg. It was a large, flightless carnivore which was thought to have chased …

Kelenken was a huge “Terror Bird” (Phorusrhacid), which lived well after the dinosaurs were extinct. He was named after a winged deity in local South American mythology. He had the …

Kelenken was one of the biggest members of the group, about two meters tall, and it had one of the largest known skulls of any bird, with fused bones to give it significant strength in its head …

Kelenken is a genus of phorusrhacid ("terror bird"), an extinct group of large, predatory birds, which lived in what is now Argentina in the middle Miocene about 15 million years ago.

Apr 29, 2025 · Kelenken’s skull, measuring approximately 71 centimeters (28 inches), is the largest of any known bird, extinct or living. This massive structure housed a hooked beak, …