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What do sparrows, geese and owls have in common with a velociraptor or the mighty Tyrannosaurus rex? All can trace their origins to a bipedal,… Read More »What Dinosaur Did Geese Evolve From?

Hadrosaurs, also known as duck-billed dinosaurs, were the most common plant-eating animals of the later Mesozoic Era. What Dino looks like a duck? Found in… Read More »What’S The Dinosaur That Looks Like A Duck?

For decades the hypothesized, highly-carnivorous lifestyle of Gastornis caused paleontologists to think of it as a North American “terror bird.” Recent analyses of family relationships… Read More »Is Diatryma A Terror Bird?

Description. Gastornis parisiensis measured on average 1.75 metres (5.7 ft) tall, but large individuals grew up to 2 metres (6.6 ft) tall. What did Gastornis… Read More »How Tall Is Gastornis?

Hesperornis, (genus Hesperornis), extinct birds found as fossils in Late Cretaceous Period deposits dating from 99.6 million to 65.5 million years ago; this bird is… Read More »Is Hesperornis A Dinosaur?

It is believed that the terror birds became extinct when the huge carnivore mammals, such as the saber-toothed tigers and the ancestors of wolves, migrated… Read More »Why Did Terror Birds Go Extinct?

Gastornis, formerly known as Diatryma, is an extinct genus of large flightless birds. What did Gastornis look like? These were generally very large birds, with… Read More »Is Diatryma The Same As Gastornis?

Gastornis was portrayed as the apex predator of the Early Eocene rainforests. It only laid one egg at a time. What was Gastornis diet? The… Read More »Did The Gastornis Lay Eggs?

Get to Know a Dino: Gastornis gigantea Decades ago, this extinct flightless species would have been called a bird, full stop. Today, this not-so-distant relative… Read More »Is Gastornis A Dinosaur?

Weighing 22 kilograms and standing perhaps 1.5 metres tall, Garganornis ballmanni might be the biggest member of the duck, goose and swan family ever to… Read More »What Is The Biggest Duck That Ever Lived?