Tag: "foxes" at biology news
Counting foxes before the last tally-ho
...first scientifically-based population estimate for foxes
living in Britain. Their results show that the number of foxes
has remained constant despite changes in culling methods. The study, published in the British Ecolog...
DNA tests point to extinction of 2 distinctive arctic bird populations
...esearchers. In the Aleutian Islands this is due to foxes
that were introduced in the 18th century for fur farming, while in Newfoundland the birds are hunted by people as small game. "Reclassification of these two populations should immediately move them into the 'species at risk' category, and thus afford...
Species vs. Species
...San Clemente Island are critically endangered, the foxes
that prey on their nestlings should be controlled. Right? Wrong. The problem is that the foxes
are also at-risk. A new analysis shows that instead of pitting the shrike against the fox, both spec...
Hypothesis linking flying foxes to high incidence of ALS/PDC gets boost from new study
...o mirrored the decline of the population of flying foxes
(a type of bat), by the 1960s and 1970s. Researche...issue of Neurology that skin tissues of the flying foxes
contained elevated quantities of BMAA (-methylamino-L-alanine), a non-protein amino acid that has sh...
Wildlife markets and disease transmission
...he threat by killing the wildlife. Shooting flying foxes
was proposed in Southeast Asia when they were thought to be carrying nipa virus, even though the link has not been definitively proven and the disease is rarely found in flying foxes. Large-scale killing of sparrows and crows during the Great Leap Fo...
Eating bats linked to neurological disease
...ins, fur and all. Eating too many of these flying foxes
could be dangerous because they like to eat cycad ...the disease rose after people began hunting flying foxes
for commercial trade and then dropped as the bat population fell. Eating wildlife has threatened peo...
Guns, bats, and cash
...oposed a connection between the disease and flying foxes
in a recent paper in the journal Neurology, where they hypothesized that the consumption of flying foxes
may be the source of the ALS-PDC disorder. The bats are known to forage on cycad seeds, which conta...
On California's Channel Islands, native predators became prey when feral pigs rearranged the food web
...t food source, said Roemer, who began studying the foxes
on Santa Cruz Island in 1993 as a graduate student...UCLA. He first found evidence of eagles preying on foxes
in 1994, but it wasn't until the following year that he saw the fox population start to decline. "As...
Like storm clouds, natural disasters carry a silver lining, biologist says
...ages of animals inflicting catastrophic changes -- foxes
in the hen house killing and eating chickens, a plague of locusts devastating wheat crops. Interactions between predators and their prey and between herbivores and plants were seen as part of an understanding of nature that raised biological interact...
Sexual vs. asexual reproduction: scientists find sex wins
...roportion of species they do help: people, wolves, foxes
and most songbirds. In these species it is possible to produce more offspring because of the help of the male. One hypothesis has been that the process of natural selection is more powerful when you mix genes in each generation. The UCSB scientists ...
Bilbies invade central Australia
...lly under the combined onslaught of cats, rabbits, foxes
and land clearance. "At Easter we released 9 animals; 5 females and 4 males, and all our females are breeding, said Katherine Moseby, coordinator of the project. "We have just seen the emergence of our second round of pouch young since the release. B...
Cadmium toxicity threatening wildlife in Rocky Mountains
...gan predators include eagles and hawks, as well as foxes
and coyotes. Though the Nature article focuses on one area in the Rocky Mountains, cadmium poisoning potentially could occur elsewhere, Larison said. "We happened to look at the effects just on white-tailed ptarmigan eating willows in Colorado," La...
Gray wolf nears recovery in Yellowstone
... fewerelk and coyotes, and more eagles, pronghorn, foxes
and wolverines. Gray wolves will be taken off the endangered species list when there are 10breeding pairs in each of Yellowstone, Idaho and Montana. The wolves are nearlythere: today there are 10 breeding pairs in Yellowstone, 11 in Idaho and 6 inMo...
Veterinary Researchers Identify Accomplice Of Calf-Killing Parasite
... Besides domestic and stray dogs, coyotes and foxes
are also believed toharbor the organism, Lindsay said. While the discovery provides sound scientific justification for the newcattle management recommendations, Lindsay says the true value of the work isthe foundation it provides for future ...
First Planned Release Of Captive Lemurs In Madagascar Wilds Expected In Fall
...rs.In North Carolina, their enemies include hawks, foxes
and owls. At Betampona,the main predator will be the fossa (pronounced "foosh"), a bobcat-sizedcousin of the mongoose. After a summer of observations, medical checkups and genetic analysesat both sites, the first group of black and white ruffed lemu...