Paleontologists at the University of Alberta have developed a new theory to explain why the ancient ancestors of dinosaurs stopped moving about on all fours and rose up on just their two hind legs.
Archaeology
Mar 3, 2017
1
34
Raccoons are normally shy, nocturnal creatures. But they've been acting out in the US state of Ohio, where police report strange and menacing raccoon behavior in broad daylight.
Plants & Animals
Apr 5, 2018
0
18
A study into the muscle development of several different fish has given insights into the genetic leap that set the scene for the evolution of hind legs in terrestrial animals. This innovation gave rise to the tetrapods—four-legged ...
Plants & Animals
Oct 4, 2011
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0
They might not be able to leap tall buildings with a single bound, but leaf-cutting ants are insect superheroes, capable of carrying leaf pieces up to six times their body mass to cultivate fungus in their borrows. But how ...
Plants & Animals
Jun 22, 2023
0
144
Whales are mammals, but they don't look like the mammals living around us, as they have a triangular fluke for tail, no hind legs and no body hair. And inside their mouths, their teeth are unfamiliar too – being much simpler ...
Plants & Animals
Feb 19, 2013
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0
In order to spot potential predators, adult meerkats often climb to a higher vantage point or stand on their hind legs. If a predator is detected, they use several different alarm calls to warn the rest of the group. New ...
Plants & Animals
Feb 4, 2013
1
0
Cows always rest on their chests so that their digestion is not impaired. Rodents sometimes rest sitting down, while kangaroos sometimes lie on their backs. The larger the animal, the less often it lies down, and when it ...
Plants & Animals
Mar 28, 2019
0
87
The future of the platypus, a unique duck-billed, egg-laying mammal only found in Australia, is under threat because they cannot climb over tall river dams, according to a new study.
Ecology
Nov 6, 2022
1
45
An international team of scientists, led by researchers at McMaster University, has solved a centuries-old mystery of 'Fraser's Clawed Frog', an unusual and elusive species found in West Africa.
Plants & Animals
Sep 11, 2019
0
27
Animal weapons such as antlers, tusks and limbs specialized for fighting require a large energy expenditure to produce and may cost even more to maintain. Because the leaf-footed bug sheds its large hind limbs, used as weapons ...
Plants & Animals
Nov 15, 2018
13
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