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.
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 ...
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 ...
Research suggests that evolution sometimes meant becoming simpler, not more complex
(Phys.org)—The view that animals have become more complex over time could be a thing of the past, according to the latest research.
Chimpanzee uses innovative foresighted methods to fool humans
Chimpanzee Santino achieved international fame in 2009 for his habit of gathering stones and manufacturing concrete projectiles to throw at zoo visitors. A new study shows that Santino's innovativeness when he plans his stone-throwing ...
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 ...
Scientists discover nerves control iridescence in squid's remarkable 'electric skin'
Squid's colorful, changeable skin enables the animal—and their close relatives, cuttlefish and octopus—to display extraordinary camouflage, the speed and diversity of which is unmatched in the animal ...
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 ...
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.
Fly eye mystery: Research provides insight into why flies have fastest vision in animal kingdom
Fly eyes have the fastest visual responses in the animal kingdom, but how they achieve this has long been an enigma. A new study shows that their rapid vision may be a result of their photoreceptors - specialised ...
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.
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.
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.