Search Results for: Vertebrates
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1,543 results
1,543 results for: Vertebrates
- Animals
Watch a desert kangaroo rat drop-kick a rattlesnake
Desert kangaroo rats have a wide arsenal for dodging rattlesnake ambushes. But the most dramatic might be their powerful midair kick.
- Paleontology
In a first, a fossilized egg is found preserved inside an ancient bird
Scientists have found the first known fossil of a bird that died with an unlaid egg inside its body. The egg has been crushed by pressure over time.
- Paleontology
Saber-toothed cats were fierce and family-oriented
New details shift the debate on whether Smilodon lived and hunted in packs, and answer questions about other behaviors and abilities.
- Animals
What spiders eating weird stuff tell us about complex Amazon food webs
By documenting rare events of invertebrates eating small vertebrates, scientists are shedding new light on the Amazon rainforest’s intricate ecosystem.
- Paleontology
A deer-sized T. rex ancestor shows how fast tyrannosaurs became giants
A newly found dinosaur called Moros intrepidus fills a hole in the evolutionary history of tyrannosaurs, helping narrow when the group sized up.
- Animals
Giant pandas may have only recently switched to eating mostly bamboo
Giant pandas may have switched to an exclusive bamboo diet some 5,000 years ago, not 2 million years ago as previously thought.
- Paleontology
A four-legged robot hints at how ancient tetrapods walked
Using fossils, computer simulations and a life-size walking robot, researchers re-created how an early tetrapod may have made tracks.
- Paleontology
More plants survived the world’s greatest mass extinction than thought
Fossil plants from Jordan reveal more plant lineages that made it through the Great Dying roughly 252 million years ago.
- Climate
Half a degree stole the climate spotlight in 2018
Climate attribution studies and new data on global warming targets put climate change in the spotlight this year.
- Oceans
Volcanic eruptions that depleted ocean oxygen may have set off the Great Dying
Massive eruptions from volcanoes spewing greenhouse gases 252 million years ago may have triggered Earth’s biggest mass extinction.
- Paleontology
The first vertebrates on Earth arose in shallow coastal waters
After appearing about 480 million years ago in coastal waters, the earliest vertebrates stayed in the shallows for another 100 million years.
- Paleontology
Eggs evolved color and speckles only once — during the age of dinosaurs
Birds’ colorful eggs were inherited from their nonavian dinosaur ancestors.
