Pterosaurs probably started out eating insects, but they eventually evolved to eat a wide variety of prey.
had slender limbs, small hands and straight claws, all of which point to a ground-dwelling creature, says Davide Foffa, a vertebrate paleontologist at National Museums Scotland in Edinburgh. Because a critter likepresumably didn’t spend a lot of time in trees, that argues against the idea that pterosaur flight evolved out of gliding. But a small pelvic girdle suggests thatwasn’t a leaper, Foffa says.
, a strong hint that the creatures had eaten fish and then regurgitated the indigestible bits, as modern owls and gulls do . Fossilized dung, or coprolites, can help reveal what pterosaurs ate. CT-like scans of three coprolites revealed the shells of microscopic organisms . They include foraminifera, mollusks and crustaceans .Fossilized dung, or coprolites, can help reveal what pterosaurs ate. CT-like scans of three coprolites revealed the shells of microscopic organisms . They include foraminifera, mollusks and crustaceans .
Embedded in limestone laid down as sediments in a lagoon about 167 million years ago, the well-preserved fossil lacks only parts of the skull, wings, hind limbs and tail, says Natalia Jagielska, a vertebrate paleontologist at the University of Edinburgh. She and colleagues dubbed the creatureMicroscopic analyses of cross sections of some bones revealed features akin to the growth rings in trees, hinting that.
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