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David Arruda - Cearadactylus.

David Arruda - Cearadactylus.

Guidraco by karkajou1993.deviantart.com #pterosaur #china

Guidraco by karkajou1993.deviantart.com #pterosaur #china

Ornimegalonyx, a giant terrestrial owl from the Late Pleistocene of Cuba (~10,000 BCE). Standing 1.1m tall (3′7″) and weighing around 9kg (20lbs), it had long legs and was probably a very strong runner – but it was also nearly flightless.Long-legged ground-owls evolved convergently multiple times over the last few million years, with fossils known of “stilt-owls” in the Hawaiian Islands.

Ornimegalonyx, a giant terrestrial owl from the Late Pleistocene of Cuba (~10,000 BCE). Standing 1.1m tall (3′7″) and weighing around 9kg (20lbs), it had long legs and was probably a very strong runner – but it was also nearly flightless.Long-legged ground-owls evolved convergently multiple times over the last few million years, with fossils known of “stilt-owls” in the Hawaiian Islands.

Thalassodromeus by Andorou-Khan.deviantart.com on @DeviantArt

Thalassodromeus by Andorou-Khan.deviantart.com on @DeviantArt

Semirostrum ceruttii

Semirostrum ceruttii

Ordovician+period_20141130.jpg (1500×1125)

Ordovician+period_20141130.jpg (1500×1125)

Siluriano terzo periodo del Paleozoico.  In foto: Pterygotus, Acantode, Brontoscorpio e Bothriolephis.

Siluriano terzo periodo del Paleozoico. In foto: Pterygotus, Acantode, Brontoscorpio e Bothriolephis.

Lambeosaurus magnicristatus by TopGon.deviantart.com on @deviantART

Lambeosaurus magnicristatus by TopGon.deviantart.com on @deviantART

Dakotaraptor. Newly discovered in North Dakota. Look how big this dromaeosaur is! Utahraptor has a contender of equal size now.

Dakotaraptor. Newly discovered in North Dakota. Look how big this dromaeosaur is! Utahraptor has a contender of equal size now.

Ornithocheirus,um dos maiores pterossauros

Ornithocheirus,um dos maiores pterossauros

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