When A Bird Ruled the Land

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Gastornis geiselensis: They lived 56-41 million years ago. This fearsome bird is thought to be one of the descendants of the dinosaurs. Birds are now generally considered to be all that remains of the once much more diverse dinosaurs, and this huge, heavily built bird certainly looks like a worthy descendant. Its bones show it was very sturdily built and had an incredibly powerful hatchet-like beak. Distribution Their fossils are common at the site of Geiseltal, Germany and in the USA. Habitat Gastornis lived on the forest floor in the great expanses of rainforest which covered the land in the Eocene. Diet They were carnivorous hunters and scavengers. Behaviour Gastornis was one of the largest animals around at the time, and because of its size and heavy build it can’t have been a fast runner. It is thought to have been a predator, because its beak would have been far too powerful simply for crushing nuts (however big!) or vegetation. It must have been an ambusher.





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