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Tag: "birdlike" at biology news

Newly discovered birdlike dinosaur is oldest raptor ever found in South America

...0 million years ago. Meanwhile, the new dinosaur's birdlike features--its huge, hollow wishbone; long, winglik...l recently, dromaeosaurs (swift-running, bi-pedal, birdlike dinosaurs) have been found only in Cretaceous rocks of Asia and North America, northern continents t...

Did feathered dinosaurs exist?

...e solution to the disparate data is that Aves plus birdlike maniraptoran theropods (e.g., microraptors and others) may be a separate clade, distinctive from the main lineage of Theropoda, a remnant of early avian radiation, exhibiting all stages of flight and flightlessness." ...

Frog’s ear canal may provide insights for understanding human hearing loss

...years that A. tormotus males produce high-pitched, birdlike calls that extend into the ultrasonic range. What remained to be tested was whether the ultrasounds were a byproduct of the frog's sound-production system or were heard and responded to by other males of that species. Researchers Albert S. Feng, an a...

Dinosaurs -- stones did not help with digestion

... remains of gastric stones can be linked up with a birdlike gastric mill, according to Oliver Wings' research. From these dinosaurs known as theropods today's birds developed. The gastric mill could therefore have developed in the ancestral line of birds....

Protein fragments sequenced in 68 million-year-old Tyrannosaurus rex

...icken collagen, further suggesting the presence of birdlike protein in the dinosaur bones. The mere existence of such exceedingly ancient protein defies a longstanding assumption. When an animal dies, protein immediately begins to degrade and, in the case of fossils, is slowly replaced by mineral. This sub...

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