Search Results for: Vertebrates
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1,544 results
1,544 results for: Vertebrates
- Animals
This sea slug makes its prey do half the food catching
Nudibranchs’ stolen meals blur classic predator-prey levels.
- Paleontology
What ‘The Meg’ gets wrong — and right — about megalodon sharks
A paleobiologist helps Science News separate shark fact from fiction in the new Jason Statham film The Meg.
- Animals
This ancient marsupial lion had an early version of ‘bolt-cutter’ teeth
Extinct dog-sized predator crunched with unusual slicers toward the back of its jaw.
- Science & Society
Before it burned, Brazil’s National Museum gave much to science
When Brazil’s National Museum went up in flames, so did the hard work of the researchers who work there.
- Paleontology
Identity of ‘Tully monster’ still a mystery
Paleontologists challenge whether the Tully monster actually was a vertebrate because it lacks key vertebrate structures.
- Animals
Newly discovered lymph hydraulics give tunas their fancy moves
There’s still some anatomy to discover in fishes as familiar as bluefin and yellowfin tunas.
- Paleontology
T. rex’s silly-looking arms were built for slashing
Tyrannosaurus rex may have used its small arms for slashing prey.
- Animals
Specialized protein helps these ground squirrels resist the cold
A less active cold-sensing protein explains, in part, why some hibernating ground squirrels are more tolerant of chilly conditions than the animals’ nonhibernating kin.
- Animals
In marine mammals’ battle of the sexes, vaginal folds can make the difference
Patricia Brennan and colleagues found certain female ocean mammals have vaginal folds that give them an advantage in mating
- Ecosystems
How mammoths competed with other animals and lost
Mammoths, mastodons and other ancient elephants were wiped out at the end of the last ice age by climate change and spear-wielding humans.
- Animals
Most blue whales are ‘righties,’ except for this one move
Though many blue whales tend to be “right-handed” when hunting for krill, one specific barrel roll move requires a lefty twist.
- Paleontology
New fossils shake up history of amphibians with no legs
The oldest near-relative of today’s snake-shaped caecilians could have an unexpected backstory.
