Why birds don't have teeth
Why did birds lose their teeth? Was it so they would be lighter in the air? Or are pointy beaks better for worm-eating than the jagged jaws of dinosaur ancestors?
Why did birds lose their teeth? Was it so they would be lighter in the air? Or are pointy beaks better for worm-eating than the jagged jaws of dinosaur ancestors?
Evolution
May 23, 2018
14
723
Kilat, the largest living lizard at the Toronto Metro Zoo, like other members of his species (Varanus komodoensis), truly deserves to be called the Komodo dragon. His impressive size and the way he looks at you and tracks ...
Plants & Animals
Feb 7, 2024
0
351
A team of researchers with members affiliated with several institutions in Belgium and France has identified the fossilized remains of a dinosaur from approximately 84 to 72 million years ago. In their paper published in ...
A meat-eating dinosaur species (Majungasaurus) that lived in Madagascar some 70 million years ago replaced all its teeth every couple of months or so, as reported in a new study published today in the open-access journal ...
Archaeology
Nov 27, 2019
2
546
When most people think of ferocious, blade-like teeth on prehistoric creatures they picture Smilodon, better known as the saber-toothed tiger. But in the world of dinosaurs, theropods are well known for having blade-like ...
Plants & Animals
Dec 15, 2020
1
140
Sorry, "Jurassic Park" and toymakers everywhere.
Evolution
Apr 2, 2023
4
78
Once you know that many dinosaurs had feathers, it seems much more obvious that they probably evolved into birds. But there's still a big question. How did a set of dinosaurian jaws with abundant teeth (think T. rex) turn ...
Archaeology
Sep 27, 2017
0
836
A new dinosaur species found in Portugal may be the largest land predator discovered in Europe, as well as one of the largest carnivorous dinosaurs from the Jurassic, according to a paper published in PLOS ONE on March 5, ...
Archaeology
Mar 5, 2014
0
3
Can a crocodile's smile reveal whether dinosaurs had lips? What if lips and gums hid most of dinosaur's teeth?
Archaeology
Jun 2, 2016
1
57
A new leech species with ferociously large teeth -- recently discovered in noses of children that swam in Peruvian rivers -- is providing insight into the evolutionary relationships among all the leeches that have an affinity ...
Archaeology
Apr 14, 2010
1
0