Sentences with phrase «pterosaur take»
«I think the overall membrane dynamics he's looking at are very good,» says Michael Habib, a pterosaur expert at Chatham University who co-developed the quadruped launch theory for pterosaur take - off.
https://www.scientificamerican.com/
Without a living analogue, the mechanics of pterosaur take - off, flight and landing, have been part conjecture and part theory.
Pterosaurs took this tendency to the extreme, and the result was enormous wings and very low wing loading.
Earlier this year Habib suggested that the largest pterosaurs took flight by using all four limbs to leap into the air — a technique similar to that used by some bats but quite unlike the take - off behaviour of modern birds.
Not exact matches
No one would expect a baby bird to take flight immediately after hatching, yet paleontologists who have examined the first known pterosaur embryo think that's exactly what the fledgling reptiles once did.
«On the other hand, pterosaurs seem perfectly capable of standing on their back legs, so a two - legged [bird - style] take - off, whether from a standing pose or running, seems equally plausible — depending on the pterosaur.»
Tapejara imperator, a Tupi Indian - Latin hybrid name meaning the old emperor, had a gigantic crest that took up five - sixths the area of the pterosaur's nearly three - foot - long, three - foot - high skull.
A study published November 15 in PLoS ONE filled in some pieces of the puzzle, and offered one explanation for how the animals took off: Pterosaurs launched off the ground using all four limbs, reached a very high speed in half a second, and quickly gained altitude.
Great plant - eating dinosaurs roaming the earth, feeding on lush ferns and palm - like cycads and bennettitaleans... smaller but vicious carnivores stalking the great herbivores... oceans full of fish, squid, and coiled ammonites, plus great ichthyosaurs and long - necked plesiosaurs... vertebrates taking to the air, like the pterosaurs and the first birds.
Newly discovered pterosaur fossils suggest a smaller species of the dinosaur order that could have implications for the extinction that took place at the end of the Cretaceous period.