Fish study links brain size to parental duties
Male stickleback fish that protect their young have bigger brains than counterparts that don't care for offspring, finds a new University of British Columbia study.
Elephants possess 'superior' sense of smell, study finds
Elephants possess a sense of smell that is likely the strongest ever identified in a single species, according to a study by Japanese scientists out Tuesday.
The weird world of nuptial gifts
An opinion piece published in Biology Letters today delves into the weird world of nuptial gifts.
Assassin bug uses a 'slight of leg' to deceive and subdue physically superior prey
(Phys.org) —Macquarie University scientists have unveiled a deceptive luring tactic used by the nymphs of the Feather-legged Assassin bug, requires the bugs to be physically attacked by its ant-prey before ...
Humans not smarter than animals, just different, experts say
(Phys.org) —Humans have been deceiving themselves for thousands of years that they're smarter than the rest of the animal kingdom, despite growing evidence to the contrary, according to University of Adelaide ...
Hardworking sisters enable insect colonies to thrive
They are among the animal kingdom's most industrious workers … now a study reveals why colonies of ants and bees depend on females for their success.
In nature, dolphins 'whistle' by name
Wild bottlenose dolphins design unique signature whistles to identify themselves, and they answer when a close cohort calls them by name, researchers said Monday.
Hunger affects decision making and perception of risk
Hungry people are often difficult to deal with. A good meal can affect more than our mood, it can also influence our willingness to take risks. This phenomenon is also apparent across a very diverse range ...
Researchers discover world's most extreme hearing animal
(Phys.org) —Researchers at the University of Strathclyde have discovered that the greater wax moth is capable of sensing sound frequencies of up to 300kHz – the highest recorded frequency sensitivity ...
Study reveals consequences of a lifetime of sexual competition
Males that spend all their time reacting to their rivals die earlier and are less able to mate later in life according to new research from the University of East Anglia. The research is the first study to ...
Shedding light on the senses fish use for navigation
(Phys.org) —New research conducted at Queen's University has discovered that polarized light vision, which is used for navigation and orientation by rainbow trout, changes with age.
How human language could have evolved from birdsong
"The sounds uttered by birds offer in several respects the nearest analogy to language," Charles Darwin wrote in "The Descent of Man" (1871), while contemplating how humans learned to speak. Language, he ...
Despite their thick skins, alligators and crocodiles are surprisingly touchy
Crocodiles and alligators are notorious for their thick skin and well-armored bodies. So it comes as something of a surprise to learn that their sense of touch is one of the most acute in the animal kingdom.
New study finds evolution mostly driven by brawn, not brains
The most common measure of intelligence in animals, brain size relative to body size, may not be as dependent on evolutionary selection on the brain as previously thought, according to a new analysis by scientists.