New Princeton research shows that prehistoric megatooth sharks—the biggest sharks that ever lived—were apex predators at the highest level ever measured.
Plants & Animals
Jun 22, 2022
0
259
Beavers are some of the world's most prolific ecosystem engineers, creating, maintaining and radically altering wetlands almost everywhere they live. But what, if anything, might control this engineering by beavers and influence ...
Plants & Animals
Nov 13, 2020
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478
A new species of carnivorous dinosaur – one of the three largest ever discovered in North America – lived alongside and competed with small-bodied tyrannosaurs 98 million years ago. This newly discovered species, Siats ...
Archaeology
Nov 22, 2013
5
0
The diet of fossil extinct animals can hold clues to their lifestyle, behavior, evolution and ultimately extinction. However, studying an animal's diet after millions of years is difficult due to the poor preservation of ...
Ecology
May 31, 2022
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795
Did the world's largest prehistoric shark need an orthodontist, or did it just have a bad lunch?
Paleontology & Fossils
May 12, 2022
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23
Argentine paleontologists have announced the discovery of an apex-predator dinosaur that measured three stories from nose to tail and eviscerated its prey with sharp, curved claws.
Paleontology & Fossils
May 03, 2022
0
162
Lions typically aren't keen on making new friends. The giant cats guard their territory fiercely and can mortally wound a foe with a single swipe. While aggression is an advantage for apex predators in the wild, it poses ...
Plants & Animals
Mar 30, 2022
0
213
A new study led by scientists at the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science revealed that the locations and timing of tiger shark movement in the western North Atlantic Ocean have changed ...
Ecology
Jan 13, 2022
0
189
Iconic tyrannosauroids like T. rex famously dominated the top of the food web at the end of the reign of the dinosaurs. But they didn't always hold that top spot.
Paleontology & Fossils
Sep 08, 2021
0
2514
New UMD study suggests that everywhere tyrannosaurs rose to dominance, their juveniles took over the ecological role of medium-sized carnivores
Paleontology & Fossils
Jun 17, 2021
0
400
