Search query: years
Categories: Paleontology: Early Mammals and Birds
13142 records searched, 139 records found, 20 matches displayed
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birds (4),
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years (3),
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early (2),
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Published The size of mammal ancestors' ear canals reveal when warm-bloodedness evolved - The Size of Mammal Ancestors' Ear Canals Reveal When Warm-Bloodedness Evolved
(via sciencedaily.com) Warm-bloodedness is a key mammal trait, but it's been a mystery when our ancestors evolved it. A new...
Published Where have all the birds gone? - Where Have All the Birds Gone?
(via sciencedaily.com) A new study has revealed that over the last 20,000 to 50,000 years, birds have undergone a major ext ...
Published Smilodon's sabre teeth - Smilodon's Sabre Teeth: The Evolution and Function of the Iconic Predator's Most Famous Feature
(via sciencedaily.com) Original source Researchers have tested the biting efficiency of Smilodon, an extinct species of carnivore close to...
Published Hot-blooded T. rex and cold-blooded Stegosaurus: Chemical clues reveal dinosaur metabolisms - Hot-blooded T. rex and cold-blooded Stegosaurus: Chemical clues reveal dinosaur metabolisms
(via sciencedaily.com) Paleontologists have debated whether dinosaurs were warm-blooded, like modern mammals and birds, or...
Published New fossil birds discovered near China’s Great Wall – one had a movable, sensitive 'chin' - New Fossil Birds Discovered Near China’s Great Wall – One Had a Movable, Sensitive 'Chin'
(via sciencedaily.com) Two new species of fossil birds that lived alongside the dinosaurs have ben discovered near the Grea...
Published Fleshing out the bones of Quetzalcoatlus, Earth's largest flier ever - Fleshing out the Bones of Quetzalcoatlus, Earth's Largest Flier Ever
(via sciencedaily.com) Though discovered more than 45 years ago, fossils of Earth's largest flying animal, Quetzalcoatlus, ...
Published Fossils of a saber-toothed top predator reveal a scramble for dominance leading up to 'the Great Dying' - Fossils of a Saber-Toothed Top Predator Reveal a Scramble for Dominance Leading up to 'the Great Dying'
(via sciencedaily.com) Original source A tiger-sized saber-toothed creature called Inostrancevia has previously only been found in Russia....
Published Primates’ ancestors may have left trees to survive asteroid - Primates’ Ancestors May Have Left Trees to Survive Asteroid
(via sciencedaily.com) When an asteroid struck 66 million years ago and wiped out dinosaurs not related to birds and three- ...
Published Early killer whales ate fish -- not other marine mammals - Early Killer Whales Ate Fish -- Not Other Marine Mammals
(via sciencedaily.com) A new study provides vital clues on when killer whales began feeding on other marine mammals. ABSTRA...
Published Early hunting, farming homogenized mammal communities of North America - Early Hunting and Farming Homogenized Mammal Communities of North America
(via sciencedaily.com) Whether by the spear or the plow, humans have been homogenizing the mammal communities of North Amer...
Published Newly-hatched pterosaurs may have been able to fly - Newly-Hatched Pterosaurs May Have Been Able to Fly
(via sciencedaily.com) Newly-hatched pterosaurs may have been able to fly but their flying abilities may have been differen...
Published Ocean cooling over millennia led to larger fish - Ocean Cooling Over Millennia Led to Larger Fish
(via sciencedaily.com) To investigate whether paleoclimatic temperature shifts are correlated with body size changes, biolo...
Published Could South American volcanoes have triggered whale extinctions? - Could South American Volcanoes Have Triggered Whale Extinctions?
(via sciencedaily.com) Today, increasing levels of carbon dioxide in the atmosphere are warming up the planet. Climate chan...
Published Researchers uncover 92 fossil nests belonging to some of India's largest dinosaurs - Researchers Uncover 92 Fossil Nests Belonging to Some of India's Largest Dinosaurs
(via sciencedaily.com) The discovery of more than 250 fossilized eggs reveals intimate details about the lives of titanosau...
Published Aerodynamic analysis causes a rethink of the biggest pterosaur - Aerodynamic Analysis Causes a Rethink of the Biggest Pterosaur
(via sciencedaily.com) Researchers shed light on the way Quetzalcoatlus would have flown, finding that the dinosaur's flyin...
Published Brains and brawn helped crows and ravens take over the world - Brains and Brawn Helped Crows and Ravens Take Over the World
(via sciencedaily.com) Crows and ravens have great flying ability, which allows them to gain access to new places more easi...
Published Predatory dinosaurs such as T. rex sported lizard-like lips - Predatory Dinosaurs such as T. Rex Sported Lizard-Like Lips
(via sciencedaily.com) A new study suggests that predatory dinosaurs, such as Tyrannosaurus rex, did not have permanently e...
Published X-ray analysis sheds new light on prehistoric predator's last meal - X-Ray Analysis Reveals Prehistoric Predator's Last Meal
(via sciencedaily.com) Original source We now know more about the diet of a prehistoric creature that grew up to two and a half meters long...
Published Mammals’ noses come from reptiles’ jaws - Mammals’ Noses Come from Reptiles’ Jaws
(via sciencedaily.com) New examinations of skeletons and animal embryos have allowed researchers to discover how mammals de...
Published Gradual evolution is back: Darwinian theory of gradual process explained in new research - Gradual Evolution is Back: Darwinian Theory of Gradual Process Explained in New Research
(via sciencedaily.com) Abrupt shifts in the evolution of animals -- short periods of time when an organism rapidly changes...