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A nearly 130-million-year-old fossilized skull found in Utah is an Earth-shattering discovery in one respect.
The small fossil is evidence that the super-continental split likely occurred more recently than scientists previously thought and that a group of reptile-like mammals that bridge the reptile and mammal transition experienced an unsuspected burst of evolution across several continents.
"Based on...
A new study led by the American Museum of Natural History puts forth the most comprehensive tree of life for malaria parasites to date. Known for being a devastating scourge of human health, with five species known to infect humans, there are more than 500 described species of malaria that infect mammals, birds, and reptiles....
Eastern hemlock forests have been declining due to a non-native insect pest, the hemlock woolly adelgid. A new study from The Condor: Ornithological Applications presents some of the best long-term data showing how the decline of a single tree species (eastern hemlock) leads to the disappearance of birds specialized to those trees. The data also...
The large and small, beautiful and bizarre are among the newly discovered animals, plants and microbes announced by the College of Environmental Science and Forestry (ESF) as the Top 10 New Species for 2018.
The large is a majestic tree that towers up to 130 feet (40 m); among the small is a tiny, single-celled protist....
Most renderings and reconstructions of pterodactyls and other extinct flying reptiles show a flight pose much like that of bats, which fly with their hind limbs splayed wide apart. But a new method for inferring how ancient animals might have moved their joints suggests that pterosaurs probably couldn't strike that pose.
"Most of the work that's...
Usually, birds of a feather flock together -- but in the Amazon, some flocks feature dozens of species of all shapes and colors. A new study by San Francisco State University biologists singles out one reason why these unusually diverse flocks exist: lookout species that call in alarm when they spot dangerous predators.
Researchers have pondered...