Sentences with phrase «modern birds suggests»

The resemblance of the fan to the tails of modern birds suggests «it would be a reasonably good pitch and roll generator» in flight, says Michael Habib of the University of Southern California in Los Angeles, who was not involved in the study.

Not exact matches

The find means the branch on the tree of life that contains modern birds is now surrounded by animals with four wings, says Steve Salisbury of the University of Queensland in Brisbane, Australia, which suggests the four - wing condition may have been an important step in the origin of birds.
That discovery, combined with other fossil finds in North America that are related to chickens, turkeys, flamingos, and loons, among others, suggests that most major groups of modern birds originated and began to diversify before the K - T boundary.
«New dinosaur discovery suggests new species roosted together like modern birds
Others challenged the findings, suggesting that the structures seen under the scope might be bacterial biofilms, and that the mass spectrometry results might reflect contamination with modern bird collagen.
Now, researchers reporting April 21 in Current Biology suggest that abrupt ecological changes following a meteor impact may have been more detrimental to carnivorous bird - like dinosaurs, and early modern birds with toothless beaks were able to survive on seeds when other food sources declined.
The ancestors of all modern birds, from the hummingbird to the majestic bald eagle (Haliaeetus leucocephalus, seen here as a young adult), lived on a supercontinent in the Southern Hemisphere about 95 million years ago, a new study suggests.
The results suggest that the last common ancestor of all modern birds — in other words, the species at the base of the evolutionary family tree that includes all living bird species — lived in West Gondwana, a landmass that included what are now fragments of South America and large portions of Antarctica, about 95 million years ago.
A set of footprints unearthed in France is the first to show one of the winged reptiles coming into land — and suggests they did so in much the same way as most modern birds.
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.
A set of footprints newly unearthed in France is the first to show one of the winged reptiles coming in to land, and it suggests they did so in much the same way as modern birds.
They had some unexpected features, some of which suggest clear links with modern birds while others are more puzzling.
The results suggest that the early birds from the Mesozoic (252 to 66 million years» ago) laid eggs that had different shapes to those of modern birds.
This suggests that the range of egg shapes in modern birds had already been attained in the Cenozoic.»
An ancient flying reptile may have had a feeding style akin to that of modern birds known as skimmers, which occasionally swoop along the water's surface to snatch fish swimming there, a new study suggests.
Professor Dhouailly said: «Developmental experiments in modern chickens suggest that avian scales are aborted feathers, an idea that explains why birds have scaly legs.
Furthermore, Archaeornithura had long legs and feet apparently adapted to wading in water, similar to those of today's plovers, suggesting that modern birds arose in aquatic habitats.
a b c d e f g h i j k l m n o p q r s t u v w x y z