Ruby-throated hummingbirds use the same energy-conserving strategy to survive overnight fasts and build the fat stores they need to fuel long migrations, shows a study published in eLife.
Plants & Animals
Dec 14, 2021
0
47
The evolutionary origin of endothermy (the ability to maintain a warm body and higher energy levels than reptiles), currently believed to have originated separately in birds and mammals, could have occurred nearly 300 million ...
Evolution
Dec 13, 2021
0
7411
Today, Americans have access to what feels like an endless amount of workout routines, huge gyms, and even high-end home workout equipment like the Peloton. Despite all that, new research estimates that the average American ...
Evolution
Oct 26, 2021
0
75
Australia is home to some of the most iconic mammals in the world. Most people would easily recognize a kangaroo, koala, or maybe even a smiling quokka.
Plants & Animals
Sep 6, 2021
0
443
Giant anteaters living in less forested habitats make use of larger home ranges, according to a study by Aline Giroux at the Federal University of Mato Grosso do Sul and colleagues, publishing August 18 in the open-access ...
Plants & Animals
Aug 18, 2021
0
412
Rising temperatures could help some northern-latitude bees fly better, but more frequent extreme weather events could push them past their limits.
Plants & Animals
Aug 18, 2021
0
575
The sky isn't falling, but scientists have found that parts of the upper atmosphere are gradually contracting in response to rising human-made greenhouse gas emissions.
Earth Sciences
Jul 1, 2021
2
1396
When it comes to climate change, not all organisms will lose out. A new Cal Poly study finds that rattlesnakes are likely to benefit from a warming climate.
Plants & Animals
Jun 30, 2021
0
7
Many species might be left vulnerable in the face of climate change, unable to adapt their physiologies to respond to rapid global warming. According to a team of international researchers, species evolve heat tolerance more ...
Ecology
Mar 4, 2021
0
519
Feathers are a sleek, intricate evolutionary innovation that makes flight possible for birds, but in addition to their stiff, aerodynamic feathers used for flight, birds also keep a layer of soft, fluffy down feathers between ...
Evolution
Feb 15, 2021
0
67
