White tiger mystery solved

White tigers today are only seen in zoos, but they belong in nature, say researchers reporting new evidence about what makes those tigers white. Their spectacular white coats are produced by a single change in a known pigment ...

New cave-dwelling arachnids discovered in Brazil

Two new species of cave-dwelling short-tailed whipscorpions have been discovered in northeastern Brazil, and are described in research published May 22 in the open access journal PLOS ONE by Adalberto Santos, from the Federal ...

Captured in silken netting and sticky hairs

The great ecological success of spiders is often substantiated by the evolution of silk and webs. Biologists of the Kiel University and the University of Bern now found an alternative adaptation to hunting prey: hairy adhesive ...

Mozzies motivate the movements of microbats

(Phys.org) —Picnic saboteurs or valuable food source? While the humble mosquito is not welcome buzzing around and sharing viruses with humans, it has a valuable ecological role to play as a prey item for insectivorous bats, ...

A new approach to judging the impact of invasive species

(Phys.org) —The impact an introduced species can have on Australian native animals should take into account possible long-term stress not just numbers of outright deaths, University of Sydney research has shown.

Boom in jellyfish: Overfishing called into question

Will we soon be forced to eat jellyfish? Since the beginning of the 2000s, these gelatinous creatures have invaded many of the world's seas, like the Japan Sea, the Black Sea, the Mediterranean Sea, etc. Is it a cyclic phenomenon, ...

Leopards in the backyard

A new camera-trapping study in India has revealed that leopards can occur at high densities in densely-populated and heavily-modified agricultural environments.

Nothing fishy about swimming with same-sized mates

Have you ever wondered why, and how, shoals of fish are comprised of fish of the same size? According to new research by Ashley Ward, from the University of Sydney in Australia, and Suzanne Currie, from Mount Allison University ...

Joshua Tree spider species named for U2's Bono

It appeared Bono and arachnids didn't mix when his "Spider-Man" musical had a rough Broadway run, but that didn't keep a biologist from naming an actual spider species after the U2 singer.

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