The magnificent plumage and song of the highland sunbird in East Africa differ little from separate, related species. Researchers conclude that the songs...
Deosai National Park in Pakistan. (Image: Ch. Hof / TU Munich)
Protected areas are among the most effective means of conserving biological diversity. ...
A thirteen-striped squirrel hibernating. (Image: Photo courtesy Rob Streiffer)
How do some animals get through hibernation without losing a lot of muscle mass? ...
A lynx in the Alps. (Image: Christine Breitenmoser/ KORA)
Because they were hunted excessively, lynx were now extinct in Central Europe. Although there...
Because poisons have proved to be a grateful source of inspiration for pharmaceuticals.
clubfoot frogs (Atelopus) are very colorful and diverse: no fewer than...
The earth's magnetic field apparently forms a coordinate system for the stopping points of the migration of the European reed warbler. (Image: Thomas...
More meat-free meals on the menu can therefore convince even non-vegetarians.
Scientists and experts are increasingly advocating eating less meat. Changing dietary patterns...
The squirrel fish are examples of "talkative" inhabitants of the underwater world. (Image: JEFFREY T WILLIAMS)
They hum, squeak, drum...: A study shows that...