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Tag: "predators" at biology news

Vampire bats keep out of trouble by running

... Also, there are and always have been a variety of predators in the Western Hemisphere environment. In contrast...kin says, the bats and birds of New Zealand had no predators to keep them flying. Many of the birds became flightless walkers, and the bats walk more than others...

Introduced foxes transformed vegetation on Aleutian Islands from lush grasslands to tundra

... seabirds accustomed to nesting on islands free of predators began disappearing when fur traders started introducing foxes onto islands in the Aleutian archipelago in the 18th century. The ground-nesting birds made easy meals for the foxes. A study published this week in the journal Science now shows that the ...

Experiments provide proof of how traveling in groups protects insects

...eriodically as a way of protecting themselves from predators such as birds and rodents. Now, a trio of insect experts has developed what they believe is strong new evidence that the latter theory is correct. By gluing radio transmitters -- each weighing less than half a gram -- to the backs of Mormon crickets...

Experiments provide proof of how traveling in groups protects insects

...eriodically as a way of protecting themselves from predators such as birds and rodents. Now, a trio of insect experts has developed what they believe is strong new evidence that the latter theory is correct. By gluing radio transmitters -- each weighing less than half a gram -- to the backs of Mormon crickets...

Spider Venom Could Yield Eco-Friendly Insecticides

...s focuses on one the world's most efficient insect predators -- spiders. The Blue Mountains funnel-web spider (Hadronyche versuta) -- a large Australian spider with a bite that is deadly to humans and insects -- is an ideal source of venom for King's research. The spider "cooperates" by rearing up in a fightin...

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