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Description
Pterosauria>Pterodactyloidea>Azhdarchoidea>Neoazhdarchia>Neopterodactyloidea>Azhdarchidae>Hatzegopteryx>H.thambema
Buffetaut, Grigorescu & Csiki, 2002
Time: Late Maastrichtian (~66 million years ago)
Length: Up to 7.1 meters (23.2ft) from the tip of the beak to the toes.
Wingspan: Up to 10.4 meters (31.4ft), based on estimates by Mark Witton.
Weight: Up to 250kg (0.25 tonnes) or perhaps even 540kg (0.54 tonnes), based on different papers.
Habitat: The Huenduara County of Transylvannia, Romania (formerly the Hateg chain of islands).
Ecology: Large er... aerial? carnivore. Like other azhdarchids, Hatzegopteryx was probably highly terrestrial for a pterosaur, with some even going as far as to suggest is was flightless (though this is very unlikely). With a lack of large theropods, it would have been the apex predator of the Hateg region in the Maastrichtian, where the largest dinosaurs massed less than one tonne.
Diet: You. Run.
Locomotion: Like other azhdarchids, Hatzegopteryx probably spent high amounts of time on land, for a pterosaur (some have even gone as far as to suggest that it was flightless, though this is very unlikely). However, a 2010 study on Quetzalcoatlus northropi concluded that that genus could have flown for over 10.000 miles (16.000 kilometers) without landing, with a maximum speed of 80mph (120 km/h); although Hatzegopteryx was far more robust, the two genera are highly similar in general anatomy and wingspan, and Hatzegopteryx would undoubtedly have been able to fly from island to island with little effort, supporting its large size and role as top predator of the insular ecosystems.
Competition: Juvenile Hatzegopteryx may have competed with or fallen prey to the smaller azhdarchid Eurazhdarcho and the eumaniraptoran Balaur, with adults possibly competing with the indeterminate theropod ''Megalosaurus'' hungaricus.
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Misleading name, eh? But really, the description of Balaur as crested, gigantic and somehow connected to weather fits the giant predatory pterosaur much better than the tiny, double-clawed ''dodo-raptor'' (though neither of them has three to twelve heads... that would be scary as hell). Why they even bothered to give that name to the latter is beyond me.

Update 07/17/17:
-Lineart completely remade.
-Replaced human scale figure.
-More accurate size estimate, now along the centra as is the norm, instead of in a straight line.
-Minor text corrections.

Skeletal reconstruction by Mark Witton.

Description
Pterosauria>Pterodactyloidea>Azhdarchoidea>Neoazhdarchia>Neopterodactyloidea>Azhdarchidae>Hatzegopteryx>H.thambema
Buffetaut, Grigorescu & Csiki, 2002
Time: Late Maastrichtian (~66 million years ago)
Length: Up to 7.1 meters (23.2ft) from the tip of the beak to the toes.
Wingspan: Up to 10.4 meters (31.4ft), based on estimates by Mark Witton.
Weight: Up to 250kg (0.25 tonnes) or perhaps even 540kg (0.54 tonnes), based on different papers.
Habitat: The Huenduara County of Transylvannia, Romania (formerly the Hateg chain of islands).
Ecology: Large er... aerial? carnivore. Like other azhdarchids, Hatzegopteryx was probably highly terrestrial for a pterosaur, with some even going as far as to suggest is was flightless (though this is very unlikely). With a lack of large theropods, it would have been the apex predator of the Hateg region in the Maastrichtian, where the largest dinosaurs massed less than one tonne.
Diet: You. Run.
Locomotion: Like other azhdarchids, Hatzegopteryx probably spent high amounts of time on land, for a pterosaur (some have even gone as far as to suggest that it was flightless, though this is very unlikely). However, a 2010 study on Quetzalcoatlus northropi concluded that that genus could have flown for over 10.000 miles (16.000 kilometers) without landing, with a maximum speed of 80mph (120 km/h); although Hatzegopteryx was far more robust, the two genera are highly similar in general anatomy and wingspan, and Hatzegopteryx would undoubtedly have been able to fly from island to island with little effort, supporting its large size and role as top predator of the insular ecosystems.
Competition: Juvenile Hatzegopteryx may have competed with or fallen prey to the smaller azhdarchid Eurazhdarcho and the eumaniraptoran Balaur, with adults possibly competing with the indeterminate theropod ''Megalosaurus'' hungaricus.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Misleading name, eh? But really, the description of Balaur as crested, gigantic and somehow connected to weather fits the giant predatory pterosaur much better than the tiny, double-clawed ''dodo-raptor'' (though neither of them has three to twelve heads... that would be scary as hell). Why they even bothered to give that name to the latter is beyond me.

Update 07/17/17:
-Lineart completely remade.
-Replaced human scale figure.
-More accurate size estimate, now along the centra as is the norm, instead of in a straight line.
-Minor text corrections.

Skeletal reconstruction by Mark Witton.