Sep. 7, 2022 —1在5成年女性white-necked雅各宾派的hummingbirds look like males. New research shows that this is a rare case of 'deceptive mimicry' within a species: Females with male-like plumage ...
July 19, 2022 —Australia's first fossil vulture has been confirmed more than 100 years after it was first described as an eagle. The discovery highlights the diversity of Australian megafauna and other animals ...
June 8, 2022 —Using radio transmitters, scientists have gained new insights into the behavior of medium ground finches in the Galapagos Islands. A study reveals daily movement patterns covering an area equivalent ...
June 1, 2022 —New research suggests that determining evolutionary trees of organisms by comparing anatomy rather than gene sequences is misleading. The study shows that we often need to overturn centuries of ...
May 25, 2022 —Paleontologists have debated whether dinosaurs were warm-blooded, like modern mammals and birds, or cold-blooded, like modern reptiles. In a new paper, scientists are unveiling a new method for ...
May 25, 2022 —Scientists settle debate surrounding species that laid eggs exploited by early Australian people around 50,000 years ago. Shell proteins point to Genyornis, which was among the 'mega-fauna' ...
May 24, 2022 —Researchers shed light on the way Quetzalcoatlus would have flown, finding that the dinosaur's flying dynamics were actually very different to how it has been depicted in popular ...
Apr. 21, 2022 —Crows and ravens have great flying ability, which allows them to gain access to new places more easily. While these skills were key to their success, new research also shows that big bodies and big ...
Apr. 20, 2022 —Palaeontologists have discovered remarkable new evidence that pterosaurs, the flying relatives of dinosaurs, were able to control the color of their feathers using melanin ...
Apr. 14, 2022 —The first large-scale study of its kind has uncovered more than 4,000 years' worth of distinctive foraging behavior in a species once driven to the brink of ...
Apr. 8, 2022 —One of the most contentious questions in evolutionary biology is, how did the Amazon become so rich in species? A new study focused on birds examines how the movements of rivers in the Amazon have ...
Mar. 10, 2022 —Much of a centuries-old debate over where and how new bird species form has now been resolved. Researchers have provided evidence that birds in mountainous areas -- where the vast majority of the ...
Feb. 24, 2022 —New research uncovers the negative link between flight-worthiness and fight-worthiness in birds. Evolutionary pressure demanded that birds could either fly or arm themselves -- but not both. ...
Feb. 18, 2022 —两个新物种化石鸟住alongside the dinosaurs have ben discovered near the Great Wall of China. One of the new species had a sensitive, movable bony appendage at the tip of its ...
Feb. 11, 2022 —Scientists have discovered the first evidence of a unique respiratory infection in the fossilized remains of a dinosaur that lived nearly 150 million years ago. Researchers examined the remains of an ...
Dec. 21, 2021 —A 72 to 66-million-year-old embryo found inside a fossilized dinosaur egg sheds new light on the link between the behavior of modern birds and dinosaurs, according to a new ...
Dec. 13, 2021 —The evolutionary origin of endothermy (the ability to maintain a warm body and higher energy levels than reptiles), currently believed to have originated separately in birds and mammals, could have ...
Dec. 9, 2021 —A study finds that there is a 50 percent chance that the common ancestor of birds and dinosaurs had bright colors on its skin, beaks and scales, but 0 percent chance that it had bright colors on its ...
Dec. 8, 2021 —Though discovered more than 45 years ago, fossils of Earth's largest flying animal, Quetzalcoatlus, were never thoroughly analyzed. Now, a scientific team provides the most complete picture yet ...
Nov. 10, 2021 —Human-caused bird extinctions are driving losses of functional diversity on islands worldwide, and the gaps they leave behind are not being filled by introduced (alien) species, finds a new ...
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