News tagged with foraging

Ants follow Fermat's principle of least time

(Phys.org) —Ants have long been known to choose the shortest of several routes to a food source, but what happens when the shortest route is not the fastest? This situation can occur, for example, when ...

Apr 01, 2013 feature
4.8 / 5 (21) 22 | with audio podcast

Researchers discover the 'anternet'

(Phys.org)—On the surface, ants and the Internet don't seem to have much in common. But two Stanford researchers have discovered that a species of harvester ants determine how many foragers to send out ...

Aug 27, 2012
4.9 / 5 (12) 1 | with audio podcast

Huge owls need huge trees

A study spearheaded by the Wildlife Conservation Society and the University of Minnesota has shown that the world's largest owl—and one of the rarest—is also a key indicator of the health of some of the ...

Aug 15, 2013
5 / 5 (6) 0

Canada ships 30 wood bison to Russia

Canada has sent 30 bison to Russia for reintroduction in the rugged and mostly forested Siberian province of Sakha, 5,000 years after they died out in the area, its parks administration said Thursday.

Mar 28, 2013
5 / 5 (5) 3

Ants pay high price for night life

(Phys.org) —Despite being night creatures, Australian bull ants have trouble finding their way home in the dark. Scientists at Australia's Vision Centre (VC) have found that bull ants that travel at night ...

May 28, 2013
5 / 5 (5) 0 | with audio podcast