Search Results for: Vertebrates
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1,512 results
- Life
Robins reject red glowing grub
Parasitic worms induce a color change in their caterpillar victims that's literally repulsive to predators.
- Life
Evolutionary genetic relationships coming into focus
Researchers have filled in about 40 percent of the tree of life for mammals and birds, but other vertebrates lag behind.
- Paleontology
The hunchback of central Spain
An exquisitely preserved dinosaur from central Spain has a hump on its back and suggestions of featherlike appendages on its arms. The primitive carnivore lived about 125 million years ago and may push back the first known instance of feathers on the dinosaur family tree.
- Earth
Moby Dick meets Jaws
A recently discovered fossil demonstrates that giant whales weren’t always as gentle as they are today.
- Life
Saber-toothed cats strong-armed prey
Smilodon fatalis used strong forelimbs to pin victims, an analysis of fossils shows.
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Moody tunes
To explore the effect that music has on the mind, Science News asked researchers to share a song they enjoy and the emotion it evokes. Ethan Ross, physicianSong: “Dark Star” by the Grateful Dead Emotion: “Elation, euphoria and wonder.” Virginia Naples, vertebrate paleontologist Song: “The Wreck of the Edmund Fitzgerald” by Gordon Lightfoot Emotion: “Sadness […]
- Life
Pterosaurs might have soared 10,000 miles nonstop
Flight analysis suggests ancient reptiles were record setters.
- Life
Climate changes, and there goes the neighborhood
The ranges of rattlesnakes and voles are likely to shift drastically with warming, analyses of past changes suggest.
- Life
Chicken cells have strong sense of sexual identity
In birds, hormones may not be the last word in determining males and females.
- Paleontology
Dinos molted for a new look
In one species, adolescents appear to have sprouted a new type of feathers as they matured.
- Life
For ducks, penis length depends on the other guys
Male genitals grow longer with more competition from other males.
- Paleontology
Feather-covered dinosaur fossils found
Scientists have uncovered a feather-laden, peacock-sized dinosaur that predates the oldest known bird.
