Darwinian evolution is the process by which natural selection promotes genetic changes in traits that favor survival and reproduction of individuals. How fast evolution happens depends crucially on the abundance of its "fuel": ...
Evolution
May 26, 2022
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1092
(Phys.org) —African wild dogs share their habitat with other, larger carnivores such as lions and spotted hyenas. In a recent paper, published in PLOS one, it was found that African wild dogs adapt their use of space to ...
Twitter clips human thoughts to a mere 140 characters. Animals' scent posts may be equally as short, relatively speaking, yet they convey an encyclopedia of information about the animals that left them.
Ecology
Nov 11, 2013
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0
(PhysOrg.com) -- Spotted hyenas may not be smarter than chimpanzees, but a new study shows that they outperform the primates on cooperative problem-solving tests.
Plants & Animals
Sep 28, 2009
4
0
In most mammals, males disperse to a new group after reaching sexual maturity. Dispersal often entails costs and is risky. New results from spotted hyenas show that males from the same birth group—and particularly twin ...
Plants & Animals
Dec 19, 2022
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As dusk begins cloaking the Maasai Mara grasslands of southwestern Kenya, a spotted hyena slinks beneath the woody umbrella that is the acacia tree.
Plants & Animals
Sep 16, 2022
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35
Hyenas are frequently vilified and often feared. Hemingway once described the hyena as a stinking, foul devourer of the dead, with jaws that crack the bones the lion leaves.
Plants & Animals
Sep 27, 2021
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31
Like all spotted hyena newborns, she spills onto the Kenyan grassland with open eyes and a full set of teeth. But as the daughter of a high-ranking mother in a matriarchal society, she also inherits an advantage over many ...
Plants & Animals
Mar 9, 2020
0
97
Males that don't leave home are not second-class, but can breed as successfully as their more adventurous competitors that leave home, according to a new long-term study on spotted hyenas. The results from a research team ...
Plants & Animals
Mar 21, 2016
0
113
(Phys.org)—When it comes to solving puzzles, animals in captivity are, well, different animals than their wild brethren.
Plants & Animals
Jan 7, 2013
2
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