Fish flourished in creeks in which human engineers helped shore up beaver dams made weak by poor timber availability.
Scientists hope to learn whether arachnophobes' perception of spiders as larger than actual size causes their fear—or whether it is the fearfulness itself that causes their visual misperception.
A new study suggests the best predictor of wildlife abundance in public lands is not human activity, but factors like forest connectivity and nearby housing density. Jason G. Goldman reports.
New research suggests that our feline companions understand the principle of cause and effect. Jason G. Goldman reports.
Social spiders in artificially assembled groups of all bold or all shy members fared less well against predators than a group with some shy and some bold members.
In the first known example of a mutualistic relationship between two mammal species in which neither is a primate, mongooses feast on ticks and other parasites infesting warthogs.
Damselfish had trouble sniffing out survival clues by their fellows in damaged coral. Jason Goldman reports.
A new study undermines the idea that humans only understand tool use by learning from others
Loudness and stamina are ways a woodpecker trumpets his dominant place in the pecking order.
Canid species all over the world vocalize the same 21 ideas but have different regional ways of expressing them.
Both exertion and synchronicity play a role in the social effects of dance
Woodpeckers that listen to others of their kind drum into trees alter their behavior based on what they hear.
The Brazilian torrent frog has the most sophisticated visual communications system yet documented for a frog species.
Understanding the regional vocal patterns of various canid species sheds light on animal communication and could help ranchers broadcast "keep away" messages to protect livestock.
The big cats can still have a home in Africa, so long as the international community is willing to finance it
Arachnophobic study subjects estimated the size of spiders as bigger than did people who do not fear the eight-legged beasties. Jason Goldman reports.
Aegean wall lizards are the first wild animals to be observed explicitly choosing the best background for their particular coloration to disappear into.
Pairs of the birds stay together no matter what—even if it means one loses out on a meal
Sharks that could smell headed straight back home when taken a few miles away whereas some that had their senses of smell blocked took slower, more erratic paths to their old haunts.
More members of an urban swan population that lets humans get near have a particular genetic variant than do a rural swan group that tends to take off when humans approach.