Scientists make strides toward restoring bighorn sheep in the American West
As pneumonia continues to limit recovery of the once nearly extinct bighorn sheep population in the western United States, a research team including scientists from Penn State's Huck Institutes of the Life ...
Long-tailed tits help each other out
Long-tailed tits which lose their eggs or young may help to feed neighbours' chicks, researchers have found. But the degree to which they'll co-operate varies from year to year.
Some Alaskan trout use flexible guts for the ultimate binge diet
Imagine having a daylong Thanksgiving feast every day for a month, then, only pauper's rations the rest of the year.
For polar bears, it's survival of the fattest
One of the most southerly populations of polar bears in the world – and the best studied – is struggling to cope with climate-induced changes to sea ice, new research reveals. Based on over 10 years' ...
A magpie's guide to avoiding cuckoo parasitism
Some birds use a different breeding strategy to others to avoid cuckoos infiltrating their nests, say scientists.
Scientist uncovers the reproductive workings of a harvester ant dynasty
Ants are just about everywhere you look, and yet it's largely unknown how they manage to be so ubiquitous. Scientists have understood the carnal mechanism of ant reproduction, but until now have known little ...
Australia's Tasmanian Tiger killed by man, study says
Australian researchers investigating the extinction of the country's Tasmanian Tiger put the fault solely with humans Thursday, saying they had debunked a long-held theory that disease was to blame.
Snakes meet their match in offspring-protecting lizards
(Phys.org)—A particular species of lizard will aggressively defend their eggs from predators such as snakes, a James Cook University researcher has found.
Ecologists shed new light on effects of light pollution on wildlife
Coasts and estuaries are among the most rapidly developing areas on Earth. Night-time satellite images of the planet show that except Antarctica, continents are ringed with halos of brightly-lit human development. ...
Galapagos tortoises are a migrating species
(Phys.org)—The Galapagos giant tortoise, one of the most fascinating species of the Galapagos archipelago, treks slowly and untiringly across the volcanic slopes. Scientists of the Max Planck Institute ...
Healthy mom with lots of help key to thriving brood, scientists say
(Phys.org)—What does it take to raise successful, self-sufficient offspring? A healthy mom with lots of in-house help, says Utah State University researcher Dan MacNulty. While this advice may benefit humans, ...
From lake to land, in a land of lakes
(Phys.org) -- What animal can see only a limited distance, has no top front teeth, and prefers shady, wet areas such as bogs and marshes?
Fasting for Lent forces hyenas to change diet
Many Christians give up certain foods for Lent, however ecologists have discovered these changes in human diet have a dramatic impact on the diet of wild animals. In Ethiopia, members of the Orthodox Tewahedo Church stop ...
A mighty revealing mouse
Ten years ago, when Prof. Neville Pillay first started investigating the semi-desert-dwelling African striped mouse or Rhabdomys in the Goegap Nature Reserve near Springbok, Northern Cape, he never anticipated ...
How far can they go? Traveling is key for survival and conservation
Nowadays, more and more animal habitats are being fragmented, or lost. Many species need assistance and conservation of their environments to survive, and it is important to know the best way this can be achieved. ...