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News articles on Animal Behavior

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Mongabay.com news articles on animal behavior in blog format. Updated regularly.

Fatal San Diego Shark Attack a Rare Event
(4/25/2008) Friday morning a 66-year-old swimmer was attacked and killed by a shark off Solana Beach in San Diego county. It was the first fatal shark attack in San Diego since 1994.


Fruit-eating bats ingest dirt to counter toxic plant compounds
(4/23/2008) Pregnant and lactating frugivorous bats ingest dirt in order to detoxify plant compounds in the fruit they eat, report researchers writing in the journal PLoS ONE.


Rainforest recovery after deforestation can be enhanced by artificial bat houses
(4/23/2008) "Bat boxes" could help in the recovery of tropical rainforest after deforestation, reports research described in New Scientist Magazine.


Saving the world's most recently discovered cat species in Borneo
(4/10/2008) Last year two teams of scientists announced the discovery of a new species of clouded leopard in Borneo. The news came as conservationists launched a major initiative to conserve a large area of forest on an island where logging and oil palm plantations have consumed vast expanses of highly biodiverse tropical rainforest over the past thirty years. Now a pair of researchers are racing against the clock to better understand the behavior of these rare cats to see how well they adapt to these changes in and around Danum Valley in Malaysia's Sabah state. Andrew Hearn and Joanna Ross run the Bornean Wild Cat and Clouded Leopard Project, an effort that aims to understand and protect Borneo's threatened wild cats, which include the flat-headed cat (Prionailurus planiceps), marbled cat (Pardofelis marmorata) leopard cat (Prionailurus bengalensis) the endemic bay cat (Catopuma badia) and the Bornean clouded leopard (Neofelis nebulosa).


Bats protect crops from insects
(4/4/2008) Bats eat as many insects at night as birds do during the day, according to research published in the journal Science.


Bats eat as many insects as birds
(4/3/2008) Bats eat as many insects at night as birds do during the day, according to research published in the journal Science.


Ants first farmed well before humans
(3/24/2008) Ants began farming some 50 million years ago, far before the first humans developed agriculture, reports a new study based on DNA analysis of the "evolutionary tree" of fungus-growing ants.


How falling a gecko lands on its feet
(3/17/2008) According to new research the gecko may have the most dynamic tail in the natural world. Two researchers from UC Berkley have discovered that the gecko uses its tail to keep itself from falling off slippery vertical surfaces and when falling to rapidly right itself. So, like a cat, it always lands on four feet.


Predator of the world's largest macaw key to its survival
(3/13/2008) In a bizarre biological twist, a new study shows that the Hyacinth Macaw depends on its greatest predator, the Toco Toucan, for continued survival.


Hibernating fish discovered in the Antarctic
(3/5/2008) Scientists have discovered a fish that exhibits hibernation-like behavior in the icy waters of the Antarctic.


Photos: Caterpillar transforms from mimicking bird droppings to a leaf
(2/21/2008) Scientists have discovered the hormone that enables swallowtail caterpillars to morph from mimicking bird droppings to the bright color form that matches the leaves upon which they feed. The research is published in Science.


Mysteries of the Great White Shark unveiled
(2/17/2008) The Great White Shark has always been a creature of mystery. The world's largest shark has long fascinated humanity from the novel and film Jaws to recent sumptuous footage of the sharks catching sea lions in Planet Earth. The behemoth, who at times can reach seven meters in length, has also become famous for occasionally attacking swimmers and surfers, though scientists believe the sharks do not intentionally hunt humans. However, the great predator's behavior and lifecycle remains mostly mysterious to science. Some of these mysteries are just now being unraveled thanks to the Tagging of Pacific Predators (TOPP) program.


Fatal shark attacks hit a 20-year low in 2007
(2/13/2008) Human deaths from shark attacks hit a 20-year low in 2007 according to statistics released by the University of Florida.


First photos of face-to-face mating by gorillas in the wild
(2/12/2008) Scientists have taken the first photos of face-to-face copulation by wild gorillas. The images were captured in Nouabalé-Ndoki National Park in the Republic of Congo.


Sea turtle makes record migration - 12,774 miles
(2/7/2008) Satellite-tagging has revealed that a leatherback sea turtle (Dermochelys coriacea) swam a total distance of 20,558 kilometers (12,774 miles) over 647 days from Jamursba-Medi, Indonesia to the coast of Oregon. The results are published in The State of the World's Sea Turtles magazine, a publication launched by Conservation International and the IUCN Marine Turtle Specialist Group.


Arctic wolves caught on tape displaying new hunting behavior
(1/31/2008) The BBC Natural History unit has captured footage of the Artic wolf swimming for its meal. The camera crew were filming a documentary entitled White Falcon, White Wolf on Ellesmere Island, a part of the Canadian territory of Nunavut, when they spotted this never-before-seen behavior.


Two-thirds of carnivores die when reintroduced into the wild
(1/20/2008) Carnivores reintroduced to the wild as part of conservation programs fare poorly, reports a new study published online in the journal Biological Conservation.


To reproduce, parasite transforms ant into juicy red berry
(1/17/2008) Scientists have discovered a parasite that transforms the appearance of its host, an ant, into that of a juicy red berry that birds are more likely to eat and disperse into new habitats, reports an article published in The American Naturalist. It is the first example of fruit mimicry caused by a parasite, say the researchers who discovered the parasite, a nematode or roundworm found in the canopy of tropical forests ranging from Central America to the lowland Amazon.


Climate change causes shift in American bird ranges
(1/16/2008) Breeding ranges of North American birds have shifted northward coinciding with a period of increasing global temperatures, report researchers writing in the April issue of Conservation Biology.


Disappearance of elephants, giraffes causes ecological chain reaction
(1/10/2008) The disappearance of elephants, giraffes and other grazing animals from the eastern African savanna could send ecological ripple effects all the way to the savanna's ants and the acacia trees they inhabit, warns a new study published in the journal Science.


Dirt-munching helps protect chimps from malaria
(1/10/2008) Soil ingestion helps chimps protect themselves from malaria, reports a new study published in the journal Naturwissenschaften. Apparently geophagy, as the deliberate behavior is known, increases the potency of ingested plants with anti-malarial properties.


An interview with primate researcher Dr. Karen Strier: America's largest monkey recovering after brush with extinction
(1/10/2008) The Atlantic forest of Brazil boasts South America's largest primates, the Southern and Northern Muriqui. The muriqui are unique among all primates, because they are not territorial and do not display aggressive behavior. The IUCN has classified the Southern Muriqui as endangered, while the Nothern Muriqui is critically endangered. Dr. Karen Strier has studied the Northern Muriqui in the field for twenty-five years. A professor of zoology and anthropology at the University of Madison Wisconsin, she is the author of Faces in the Forest: the Endangered Muriqui Monkeys of Brazil and a new textbook entitled Primate Behavioral Ecology.


Squirrels use snake skin to disguise themselves from predators
(12/20/2007) California ground squirrels and rock squirrels chew up rattlesnake skin and smear it on their fur to mask their scent from predators, according to a new study by researchers at UC Davis. Barbara Clucas, a graduate student in animal behavior at UC Davis, observed ground squirrels (Spermophilus beecheyi) and rock squirrels (Spermophilus variegates) applying snake scent to themselves by picking up pieces of shed snakeskin, chewing it and then licking their fur.


Rare gorillas use weapons to attack forest-intruding humans
(12/5/2007) Following the first documented cases of the Cross River gorillas -- world's most endangered gorilla -- throwing sticks and clumps of grass when threatened by people, the Wildlife Conservation Society (WCS) has announced new research to better protect the species from poaching and encroachment.


Physicists join fight to save amphibians from extinction
(11/19/2007) Physicists have joined the fight to save amphibians from extinction by using Optical Coherence Tomography (OCT) to investigate the properties of frogs skin.


Iguanas listen to birds to avoid predators
(10/29/2007) As the world's only sea-feeding lizard, Galapagos Marine Iguanas have long held a unique place in the animal kingdom. While most of their life is spent on land, these lizards forage the seas for their staple food: algae. Now, new research has provided this species with another distinction: although the Galapagos Marine Iguana is mute, it recognizes and utilizes the alarm call of the Galapagos Mockingbird. This is the first instance of a non-vocal species eavesdropping on another species' calls. Both the iguana and mockingbird fall prey to the Galapagos hawk, so by recognizing the mockingbird's warning the iguanas gain important information on avoiding predation.


Parasites a key to the decline of red colobus monkeys in forest fragments
(10/25/2007) Forest fragmentation threatens biodiversity, often causing declines or local extinctions in a majority of species while enhancing the prospects of a few. A new study from the University of Illinois shows that parasites can play a pivotal role in the decline of species in fragmented forests. This is the first study to look at how forest fragmentation increases the burden of infectious parasites on animals already stressed by disturbances to their habitat.


Elephants use smell to distinguish hunters from farmers
(10/18/2007) Elephants can determine whether a human is a friend or foe by their scent, reports new research published in Current Biology.


Scientists find fish that literally lives in trees
(10/17/2007) Scientists have found a fish that literally lives in trees, according to research published in The American Naturalist and highlighted in New Scientist Magazine.


Snake uses trick to avoid poisoning from toxic frogs
(10/16/2007) An Australian snake employs a special feeding behavior to avoid poisoning by toxic frogs, reports The American Naturalist.


Wolves push out coyotes in wilderness areas
(9/11/2007) Coyote densities are more than 30 percent lower in areas they share with wolves, according to a paper published in the most recent edition of the Journal of Animal Ecology. The results show that wolves limit the range and number of coyotes in an area.


Bird flies 7,150 miles in a week
(9/11/2007) The bar-tailed godwit (Limosa lapponica baueri) makes the longest non-stop migratory flight of any bird species in the world, reports a new study.


Toddlers have higher social cognition skills than apes
(9/6/2007) Toddlers have more sophisticated social learning skills than their closest primate relatives, researchers report in the 7 September issue of the journal Science.


Second set of jaws help moray eels feed
(9/6/2007) Moray eels have a unique way of feeding reminiscent of a science fiction thriller, researchers at UC Davis have discovered. After seizing prey in its jaws, a second set of jaws located in the moray's throat reaches forward into the mouth, grabs the food and carries it back to the esophagus for swallowing.


Squid chasing drove evolution of whale sonar
(9/6/2007) A University of California at Berkeley study argues that dolphins and other toothed whales developed sonar to chase schools of squid swimming near the ocean surface at night.


Researchers head to Congo to study Bonobo psychology
(9/5/2007) Researchers have gone to the Democratic Republic of Congo to study the social behavior of bonobos -- a close relative of the chimpanzee -- in the Lola ya Bonobo Sanctuary in Kinshasa.


Flies prefer Coke
(8/29/2007) While you may not catch a fly sipping Perrier, the insect has specialized taste cells for carbonated water that probably encourage it to binge on food with growing microorganisms. Yeast and bacteria both produce carbon dioxide (CO2) when they feast, and CO2 dissolves readily in water to produce seltzer or soda water.


How do snakes survive starvation?
(8/27/2007) Starving snakes employ novel survival strategies not seen before in vertebrates, according to research conducted by a University of Arkansas biologist. These findings could be used in conservation strategies to determine the health of snake populations.


Monkey mothers use "baby talk" too
(8/24/2007) Female rhesus monkeys use special vocalizations to communicate with infants much like human mothers use "baby talk" or "motherese" reports a new study by researchers at the University of Chicago.


Cats have 10-minute short term memory
(8/22/2007) New research suggest cats have short-term memory of about 10 minutes, according to CBC News.


Legless lizard retracts eyes to avoid retaliatory prey bites
(8/14/2007) For creatures without legs, snakes are remarkable predators. Pythons can capture and eat animals well over twice their size, while a mere drop of venom injected by an Australian death adder can kill a person. Scientists believe the main purpose for these adaptations is to help snakes avoid injury when pursuing and eating prey. However, snakes are not the only legless reptiles -- there are more than a dozen species of legless lizard distributed around the world. A new paper examines how these reptiles subdue their prey without venom or constriction.


Squirrels communicate with rattlesnakes using heated tail
(8/13/2007) Ground squirrels heat their tails to defend their young against predatory rattlesnakes, reports a study published in the early online edition of Proceedings of the Natural Academy of Sciences (PNAS).


Overfishing takes toll on Bluefin tuna
(8/6/2007) Overfishing has caused dramatic shifts in bluefin tuna populations that have pushed the species closer towards extinction in some areas, reports a series of studies by the Census of Marine Life (CoML) and other researchers.


New device allows biologists to track seals under sea ice
(8/6/2007) Biologists have devised a new device for tracking how environmental change affects the physiology, behavior, and populations of Southern elephant seals, according to a paper published in the early online edition of the journal Proceedings of the National Academy of Sciences.


Wild parrots tracked by satellite for the first time
(8/6/2007) Researchers are now tracking wild parrots from space.


Nectar feeding bats are powered by pure sugar
(8/6/2007) Nectar-feeding bats are particularly vulnerable to environmental change due to their high-energy dietary requirements, reports a new study published in the British Ecological Society's journal Functional Ecology.


Fish cultivate gardens of algae
(7/24/2007) Damselfish cultivate "gardens" of algae, according to a study published last October in the journal Biology Letters.


Polar bears avoiding sea ice for cub dens
(7/15/2007) Polar bears in Alaska are increasingly setting up dens on sea on land because sea ice is thinning, reports a new study by U.S. Geological Survey (UCGS) researchers.


Antioxidant use helped some birds after Chernobyl nuclear accident
(7/11/2007) Brightly colored birds were more adversely affected by high levels of radiation around the Chernobyl nuclear plant, reports a study published online in the British Ecological Society's Journal of Applied Ecology.


Orangutans use water as a tool
(7/6/2007) German researchers have observed orangutans using water as a tool. Natacha Mendes, Daniel Hanus, and Josep Call of the Max-Planck-Institute for Evolutionary Anthropology in Leipzig, Germany conducted an experiment with five orangutans to see whether the red apes could access an out-of-reach peanut floating inside a vertical transparent tube. They quickly found that all five orangutans were able to do so by collecting water from a drinker and spitting it into the tube to raise the water level and win access to the peanut.



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