Phorusrhacos was a huge, lightly-built bird with a fearsome beak. Fandom Apps Take your favorite fandoms with you and never miss a beat. Based on numerous analyses related to these birds’ prey size, their aggressiveness and the proportion of the bird’s body size in relation to the prey size, we have appointed the winner and the whole list in that category. It was estimated to grow to more than 1,250 kg (1.38 short tons) and 2 … Pages in category "Extinct birds of South America" The following 4 pages are in this category, out of 4 total. As with many prehistoric birds of the late Cretaceous period, not a whole lot is known about Enantiornis, the name of which ("opposite bird") refers to an obscure anatomical feature, not any sort of wacky, un-bird-like behavior. Titanis chased after its prey and tore it apart with its hooked beak. Kelenken was attributed to a variety of killing techniques. There was a hunting bird known as the Titanis that could eat a horse. Another possibility is that it may have picked up its prey and then proceeded to shake it vigorously. About 3.5 million years ago, carnivorous birds with hooked beaks standing 10 feet (3 meters) tall roamed parts of South America in search of prey. It used its feet to hold the prey while it tore off and ate pieces. As a birder, it's a necessity to find passion in those birds around you, among them some of the coolest, rarest, and most interesting species to ever walk this Earth - amazing birds like the Araripe Manakin of South America, the Shoebill of Africa, and the Kagu of New Caledonia. Home; Random; Nearby; Log in; Settings; About Wikipedia; Disclaimers; Subcategories. Fandom Apps Take your favorite fandoms with you and never miss a beat. The discovery that birds evolved from small carnivorous dinosaurs of the Late Jurassic was made possible by recently discovered fossils from China, South America, and other countries, as well as by looking at old museum specimens from new perspectives and with new methods. 10 Prehistoric Birds You Didn’t Know Existed (But Were Totally Awesome!) With a wingspan of eleven to twelve feet, this prehistoric bird stood thirty inches tall. This category has the following 2 subcategories, out of 2 total. The origin of birds. Prehistoric North America was rife with ferocious predators. The largest prehistoric horse was Equus giganteus of North America. This list may not reflect recent changes (). The biggest and most powerful birds of prey The world’s largest predatory birds. Teratornis was a huge North American bird of prey. Some prehistoric horned rhinos also grew to large sizes. Now, researchers have found a … About 3.5 million years ago, carnivorous birds with hooked beaks standing 10 feet (3 meters) tall roamed parts of South America in search of prey. Only fragments of its skeleton have been found in the form of fossils. Its skull has not been found to this date. As a large flightless carnivore, Kelenken likely chased down its prey. South America was an island, and while saber-toothed cats and wolves took over the job of top predators elsewhere, most mammals in South America were happy herbivores.