Tag: "horns" at biology news
Vanishing beetle horns have surprise function
...sting -- one imagines with some frustration -- the horns
were merely ornamental. In this month's American...opment, Onthophagus horned beetles use their young horns
as a sort of can opener, helping them bust out of thick larval shells. The finding will surprise...
Scientists crack rhino horn riddle
have long been objects of mythological beliefs. So...pment of the horn's characteristic shape. The horns
of most animals have a bony core covered by a thin sheath of keratin, the same substance as hair and...
The mouflons of the Kerguelen archipelago
...ombining their efforts, the researchers used hair, horns
and tissue to reconstitute the evolution of the genetic diversity of the mouflon population from 1958 to 2003. Through the contribution of Jean-Louis Chapuis, Denis Réale had access to samples from populations living on the Islands between 1988 and 1...
Bigger horns equal better genes
...a greater chance of survival. "The size of the horns
reliably advertises the genetic quality of the ibe... role in determining ibex horn size. The ibex's horns
are considered a "secondary sexual trait". Researchers believe the horns
help males successfully mat...