For lemurs, genetic diversity and scent complexity go hand in hand during the breeding season, say researchers from Duke University and the Centre d'écologie fonctionnelle et évolutive (CNRS /…

Biologists at Harvard University have determined that some African frogs puncture their own skin with sharp bones in their toes when threatened, using the bones as claws capable of wounding predators…

Researchers have shown that the pre-hatching calls of baby Nile crocodiles actually mean something to their mothers - and even to their siblings. To us, they sound like "umph! umph! umph!" but to…

Like several other insect orders, the Lepidoptera is staggeringly diverse -- there are about 180,000 described species in the order and an untold number that remain unknown to biologists. (For…

Researchers have found that female red squirrels showed high levels of multimale mating and would even mate with males that had similar genetic relatedness, basically mating with their relatives.…

Nitrogen is essential to all life on Earth, and determines how much carbon dioxide ecosystems can absorb from the atmosphere, says UC Davis assistant professor Benjamin Houlton. There are puzzling…

The Nazca booby, a Galápagos Island seabird, emerges from its shell ready to kill its brother or sister. Wake Forest University biologists and their colleagues have linked the murderous behavior to…

The temperature inside a healthy, photosynthesizing tree leaf is affected less by outside environmental temperature than originally believed, according to new research from biologists at the…

Scientists, reporting in the current issue of the online journal Marine Drugs, state that an increase of epileptic seizures and behavioral abnormalities in California sea lions can result from low-…

The contentious debate about why insects evolved to put the interests of the colony over the individual has been reignited by new research from the University of Leeds, showing that they do so to…