News articles tagged with 'predator'
Predators drive the evolution of poison dart frogs' skin patterns
— 21 Nov 2011 19:31 | BiologyNatural selection has played a role in the development of the many skins patterns of the tiny Ranitomeya imitator poison dart frog, according to a study that will be published in an…
A new model for understanding biodiversity
— 21 Nov 2011 19:22 | BiologyAnimals like foxes and raccoons are highly adaptable. They move around and eat everything from insects to eggs. They and other 'generalist feeders' like them may also be crucial to…
Caterpillars aren't so bird brained after all
— 6 Apr 2011 15:10 | BiologyCaterpillars that masquerade as twigs to avoid becoming a bird's dinner are actually using clever behavioural strategies to outwit their predators, according to a new study…
UGA studies explain spread of invasive ladybugs
— 2 Apr 2011 10:58 | BiologyA University of Georgia researcher studying invasive ladybugs has developed new models that help explain how these insects have spread so quickly and their potential impacts on native…
Spiders target sexy signals from 'vibrating' insects
— 29 Mar 2011 16:52 | BiologyInsects using vibration to attract a mate are at risk of being eaten alive by killer spiders, Cardiff University scientists have discovered…
Scientists find that non-native snakes are taking a toll on native birds
— 11 Mar 2011 15:34 | BiologyThe Everglades National Park in Florida is home to hundreds of species of native wildlife. It has also become the well-established home of the non-native Burmese python - known to be…
Humans give prey the edge in food web
— 4 Mar 2011 14:51 | HealthA new paper by University of Calgary researchers, published today in PLoS ONE, demonstrates the edge given to prey in the 'space race' by human activity…
For birds, the suburbs may not be an ideal place to raise a family
— 4 Mar 2011 14:26 | BiologyThere comes a time in life for every bird to spread its wings and leave the nest, but for grey catbirds, that might be the beginning of the end. Smithsonian scientists report fledgling…
Ecological adaptation likely to influence impacts of climate change
— 2 Mar 2011 12:34 | EnvironmentAnimals' capacity to adapt is a factor in how they are likely to respond to changing climate conditions…
T. rex more hyena than lion
— 23 Feb 2011 17:34 | Geology and palaeontologyThe ferocious Tyrannosaurus rex has been depicted as the top dog of the Cretaceous, ruthlessly stalking herds of duck-billed dinosaurs and claiming the role of apex predator, much as…