A whole-genome analysis suggests that polar bear numbers waxed and waned with climate change, and that the animals may have interbred with brown bears since becoming a distinct species millions of years ago.
Evolution
Jul 23, 2012
8
0
Scientists show that the extraordinary diversity of cichlid fish in Africa's Lake Victoria was made possible by "genetic recycling"—repeated cycles of new species appearing and rapidly adapting to different roles in the ...
Evolution
Sep 29, 2023
0
202
The Xerces Blue butterfly (Glaucopsyche xerces) was native to the coastal dunes of San Francisco, in the United States. As the city grew, much of the butterfly's habitat was destroyed and its population was relegated to Golden ...
Plants & Animals
Jul 13, 2023
0
105
A new study has found that plant species are adapted to the altitude where they grow by 'sensing' the oxygen levels that surround them.
Plants & Animals
Jun 1, 2022
0
17
Scientists have solved a 100-year-old mystery about the evolutionary links between malaria parasites that infect humans and chimpanzees.
Cell & Microbiology
Apr 6, 2022
0
133
All land plants originated from a single evolutionary event when freshwater algae got a foothold on land, giving rise to an astonishing biodiversity of plants on earth. However, the group of algae that would later give rise ...
Plants & Animals
Nov 30, 2021
0
82
Gentoo penguins should be reclassified as four separate species, say scientists at the Milner Centre for Evolution at the University of Bath, after analysing the genetic and physical differences between populations around ...
Evolution
Nov 3, 2020
0
1274
A team of researchers at the Chinese Academy of Sciences has found that two varieties of red panda actually comprise two different species. In their paper published in the journal Science Advances, the group describes the ...
China's critically endangered Yangtze River porpoise is a distinct species, meaning it cannot interbreed with other porpoise types to pass on its DNA, a major analysis of the creature's genome revealed on Tuesday.
Plants & Animals
Apr 10, 2018
0
315
Together with an international team, Senckenberg scientists identified a new species of snake in Europe. Based on more than 1,600 snakes, the researchers were able to show that the barred grass snake, whose range includes ...
Plants & Animals
Aug 7, 2017
0
218
