Animals
- Animals
Big-Eyed Birds Sing Early Songs: Dawn chorus explained
Researchers report a strong relationship between eye size and the light intensity at which birds start to sing in the morning.
- Animals
Maneless lions live one guy per pride
The male lions of Tsavo National Park don't grow manes but they're no wimps—they're the only male lions found so far that rule big prides of females alone, without help from some buddies.
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- Animals
Toxic Tools: Frogs down under pack their own poison
An Australian frog can synthesize its own protective poison, rather than obtain it from the insects it eats.
- Animals
Lamprey Allure: Females rush to males’ bile acid
An unusual sex attractant has turned up in an analysis of sea lampreys, and it may inspire new ways to defend the Great Lakes against invasive species.
- Animals
Real pandas do handstands
A giant panda that upends itself into a handstand may be sending a message that it's one big bamboo-thrasher and not to be messed with.
- Animals
Nephews, Cousins . . . Who Cares? Detecting kin doesn’t mean favoring them
New tests of the amazing nose power of Belding's ground squirrels has solved a 25-year-old puzzle about doing dangerous favors for relatives.
- Animals
Lemonade from Broken Amber
The fossilized microbes found inside termites that have been encased in amber for 20 million years are remarkably similar to those found within the ancient insects' modern cousins.
- Animals
Cold Hamsters: Wild species boosts immunity for winter
Hamsters that have to survive winter outdoors in Siberia rev up their immune systems, including their response to psychological stress, when days grow short.
- Animals
Leave It to Evolution: Duplicated gene aids odd monkey diet
A duplicated gene that has rapidly evolved helps certain monkey species thrive on a diet of leaves.
- Animals
Honey-Scented Elephants: Young males’ faces drip sweet signals
An Asian bull elephant just reaching maturity secretes a liquid from glands on its face that smells like honey.
- Animals
Yellower blue tits make better dads
The yellow feathers on a male blue tit's breast could tell females that he'll be a good provider for the chicks.
