…Fish are not the only animals known to trap enough light to produce an ultra-black surface. Ultra-black feathers and scales have been found on a few birds and some butterflies,…
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…affects birds and reptiles today and can lead to bone infections. In addition to documenting the first occurrence of such a respiratory infection in a dinosaur, this fossilized infection also…
…bones. The authors speculate that this could have been caused by a fungal infection similar to aspergillosis, a common respiratory illness that affects birds and reptiles and can lead to…
…More than half of these are related to animals. At least 22 different animals were identified, including deer, birds, peccary, lizards, turtles, and tapir. Although fish remains are abundant in…
…vertebrates that evolved from lobe-finned fishes and gave rise to amphibians, reptiles, birds, and mammals. Pardo’s co-lead author, Claudia Marsicano of the University of Buenos Aires, and her colleagues found…
A new analysis published in IBIS examines whether bacteria, viruses, and other microorganisms that are present in wild vultures cause disease in the birds, and whether vultures play a role…
The shape of owl wings, which help the animals fly quietly, can inform airfoil designs. Credit: Wang and Liu Serrated edge of owl wings makes them quieter than other birds,…
…abundant blood parasite infecting birds in our study area,” says Dr. Santiago Merino of the National Museum of Natural Sciences in Madrid, one of the researchers on the study. Begging…
…November 2016. Credit: Contains modified Copernicus Sentinel data (2016), processed by ESA The flightless birds are known to be particularly vulnerable to climate change, as warming ocean waters are melting…
…birds long considered to be two distinct species. But the discovery that they interbreed caused the Bullock’s and Baltimore Orioles to be lumped together under the name Northern Oriole in…
…drew attention to the reproductive harm it caused in birds, most notably the bald eagle, and inspired widespread environmental action. Sixty years later, researchers at Rutgers University-New Brunswick are studying…
…the case of dinosaurs, we have to look at modern crocodilians and birds, that form a group that we call archosaurs, meaning ‘ruling reptiles.’ Dinosaurs are extinct members of this…
…that includes Tyrannosaurus rex and modern-day birds. “We were struck by just how hollow this animal was — it’s riddled with air spaces. Parts of its skeleton must have been…
An artist’s interpretation of a juvenile Doolysaurus huhmini. It is depicted alongside birds and non-avian dinosaurs that lived during the Cretaceous in what is now South Korea. Credit: Jun Seong…
…increasing in frequency and — for birds, fishes, and marine invertebrates — in severity as well, according to a study of 727 mass mortality events since 1940. Despite the ecological…
…and beauty. They play important roles in cycling nutrients and are a significant food source for other organisms such as birds. Over the last 50 years, North America has lost…
…exhibits features reminiscent to living crocodylians such as alligators and crocodiles, which are the closest living relatives to dinosaurs and other birds. Visual Signaling and Possible Scent Functions The researchers…
…pygmy goat kids on an English farm, all of which had the same father. They recorded the kids’ bleats at one week and five weeks, which were then analyzed. Kids…