Long-tailed tits which lose their eggs or young may help to feed neighbours' chicks, researchers have found. But the degree to which they'll co-operate varies from year to year.

Biology - Plants & Animals

Mar 21, 2013 not rated yet 0 |

(Phys.org) —A ground-breaking new study challenges popular assumptions about the feeding behaviour of the world's largest predatory fish, the white shark.

Biology - Plants & Animals

Mar 20, 2013 4.5 / 5 (2) 0

One of the most southerly populations of polar bears in the world – and the best studied – is struggling to cope with climate-induced changes to sea ice, new research reveals. Based on over 10 years' ...

Biology - Ecology

Mar 19, 2013 not rated yet 0

Marine biologists say they have proof that excessive trawling of small fish species leads to proliferation of jellyfish, a worsening phenomenon whose causes have been unclear.

Biology - Ecology

Mar 19, 2013 5 / 5 (5) 2

It has long been believed that male lions are dependent on females when it comes to hunting. But new evidence suggests that male lions are, in fact, very successful hunters in their own right. A new report ...

Biology - Plants & Animals

Mar 18, 2013 4.8 / 5 (4) 0 |

(Phys.org) —Scientists working on robots often concentrate on how to mimic the shape and movements of animals that show exceptional efficiencies in varied tasks; a recent team accomplishment takes a page ...

Electronics - Robotics

Mar 17, 2013 5 / 5 (11) 18 |

A University of Florida researcher has described a new genus and species of extinct saber-toothed cat from Polk County, Fla., based on additional fossil acquisitions of the animal over the last 25 years.

Other Sciences - Archaeology & Fossils

Mar 14, 2013 5 / 5 (3) 0 |

Scientists already knew that some social bee species warn their conspecifics when detecting the presence of a predator near their hive, which in turn causes an attack response to the possible predator. Researchers ...

Biology - Plants & Animals

Mar 14, 2013 4.5 / 5 (4) 0

A tagging study has revealed that porbeagle sharks in the Gulf of St. Lawrence could severely impact the number of migrating American eels in the region.

Biology - Plants & Animals

Mar 13, 2013 not rated yet 0

University of Otago researchers from the Department of Zoology have expressed serious concerns for the future of the Dunedin Yellow-eyed Penguin population.

Biology - Ecology

Mar 11, 2013 not rated yet 0

Research now reveals that fish can migrate to avoid the threat of being eaten. A new study from Lund University in Sweden shows that roach fish leave lakes and move into surrounding streams or wetlands, where ...

Biology - Ecology

Mar 01, 2013 4 / 5 (1) 0 |

(Phys.org)—BBC documentarians filming for a special called "Penguins: Spy in the huddle" have captured video of vampire bats feeding on juvenile Humboldt penguins in a cave in the Atacama Desert in southe ...

Biology - Plants & Animals

Feb 26, 2013 4 / 5 (4) 0 |

Four new species from the Steninae subfamily of the large family of rove beetles (Staphylinidae) have been discovered in the Ningxia Autonomous Region, China, as part of an exploration of the insect fauna of the Liup ...

Biology - Plants & Animals

Feb 25, 2013 3 / 5 (2) 0

(Phys.org)—A team of researchers studying velvet belly lantern sharks has discovered that the species has bioluminescent cells on both its belly and near its dorsal spines. The team describes their surprising ...

Biology - Plants & Animals

Feb 22, 2013 5 / 5 (6) 1 |

As the nations of the world prepare to vote on measures to restrict international trade in endangered sharks in early March, a team of researchers has found that one of these species – the oceanic whitetip ...

Biology - Ecology

Feb 20, 2013 5 / 5 (1) 0