Today, there exist only three elephant species, in Africa and Asia. Yet the diversity of proboscidean species and their distribution was significantly greater in the Earth's past.
Evolution
Sep 20, 2023
0
133
Microscopic plastic particles have been found in the fats and lungs of two-thirds of the marine mammals in a graduate student's study of ocean microplastics. The presence of polymer particles and fibers in these animals suggests ...
Plants & Animals
Aug 10, 2023
0
544
Researchers of Wageningen University & Research have identified a recent incursion of non-native iguanas on Saba, which form a major threat to the endemic melanistic iguana population. A promising study shows a new methodology ...
Plants & Animals
Mar 29, 2023
0
3
An unusual new species of pterosaur has been identified, which had over 400 teeth that looked like the prongs of a nit comb.
Paleontology & Fossils
Jan 23, 2023
0
4165
It is now widely accepted that birds are descended from dinosaurs. It is also understood that this transition encompasses some of the most dramatic transformations morphologically, functionally, and ecologically, thus eventually ...
Evolution
Jan 3, 2023
0
358
SUE the T. rex is one of the most complete, best-preserved Tyrannosaurus rex specimens ever found. That level of preservation helps reveal details about SUE's life. For instance, SUE lived to a ripe old age of about thirty-three, ...
Paleontology & Fossils
Sep 30, 2022
5
126
A new study refutes a provocative claim made earlier this year that fossils classified as the dinosaur Tyrannosaurus rex represent three separate species. The rebuttal, published today in the journal Evolutionary Biology ...
Evolution
Jul 25, 2022
1
992
A fossilized lower jaw has led an international team of paleontologists, headed by Bastien Mennecart from the Natural History Museum Basel, to discover a new species of predator that once lived in Europe. These large predators ...
Paleontology & Fossils
Jun 15, 2022
0
737
English Bulldogs must be bred with more moderate physical features, as a new study reports that the breed is significantly less healthy than other dog breeds. English Bulldogs are at increased risk of breathing, eye, and ...
Veterinary medicine
Jun 15, 2022
0
6
The shape of the mandible (the lower jaw) is influenced by the mechanical action of the jaw muscles that connect it to the skull, and mandible shape therefore reflects the diet of the animal. The lower jaw is also sufficiently ...
Paleontology & Fossils
May 18, 2022
0
379
