The largest flightless bird ever to live weighed in up to 600kg and had a whopping head about half a meter long—but its brain was squeezed for space.
Evolution
Mar 24, 2021
0
652
Yawning doesn't need be a sign of boredom. Rather, it appears to be a measure of brain size. Vertebrates with larger brains yawn longer, according to a study of more than one hundred species of mammals and birds. The findings ...
Plants & Animals
May 6, 2021
4
2140
Invasive species that wreck crops, ravage forests, spread disease, and upend ecosystems are spreading ever faster across the globe, and humanity has not been able to stem the tide, a major scientific assessment said Monday.
Ecology
Sep 4, 2023
0
102
In the Green Swamp of Polk County, Florida, Paul Sykes heard a sound that raised the hairs on the back of his neck. The sharp honk may have sounded, to a layperson, like a stepped-on squeaky toy. But to Sykes, a U.S. Fish ...
Plants & Animals
Oct 7, 2021
0
20
Researchers at the University of Konstanz and Max Planck Institute for Animal Behavior in Germany have found that birds are able to change their culture to become more efficient. Populations of great tits were able to switch ...
Plants & Animals
Apr 6, 2021
4
845
Researchers at the University of Oxford have found that hawks control their flight to ensure the safest landing conditions when perching, even if it takes longer and more energy to do so. Understanding how birds optimise ...
Plants & Animals
Jul 3, 2022
2
78
For decades, paleontologists have debated whether dinosaurs were warm-blooded, like modern mammals and birds, or cold-blooded, like modern reptiles. Knowing whether dinosaurs were warm- or cold-blooded could give us hints ...
Paleontology & Fossils
May 25, 2022
1
1277
Approximately 80 miles from the westernmost reach of China's Great Wall, paleontologists found relics of an even more ancient world. Over the last two decades, teams of researchers unearthed more than 100 specimens of fossil ...
Evolution
Feb 18, 2022
0
843
A team of paleontologists at Universidad Nacional de La Pampa, working with a colleague from LA. TE. Andes S.A, has found the first known well-preserved Phorusrhacidae footprints at a site in Argentina. In their paper published ...
Every bird you've ever seen—every robin, every pigeon, every penguin at the zoo—is a living dinosaur. Birds are the only group of dinosaurs that survived the asteroid-induced mass extinction 66 million years ago. But ...
Evolution
Jul 5, 2023
0
269
