Fatal Frog Fungus Found In The United States
... of chytrid ("KIT-trid") infection in this lowland leopard frograises the possibility that the disease has pl...r speciesRosen collected, a fatally ill Chiricahua leopard frog from an outdoor enclosureat San Bernadino National Wildlife Refuge in Arizona. Both species hav...How A Common Protein Becomes A Cancer Killer
...scovery that a ribonucleaseprotein in the Northern leopard frog possesses anti-cancer properties. The NewJersey-based biotechnology firm Alfacell Corporation, which is credited with thediscovery, is manufacturing a drug called Onconase that is currently inphase-three clinical cancer trials. Delivered to pati...Link between climate change, amphibian declines explored
...ern Slope. Mass die-offs of the boreal toad and leopard frog in the Colorado mountains, which began in 1973 and continued until about 1982, probably were caused by fungal infections, she said. Major mortality in the few remaining Colorado boreal toad populations began again in 1997 and almost certainly i...Amphibian declines and deformities: what is the latest?
...specifically facial cleft malformation in northern leopard frogs. Dr. Steven Corn, USGS herpetologist, an expert in amphibian population monitoring work in the Northern Rockies. Dr. Chuck Peterson, Idaho State University, an amphibian monitoring researcher in Yellowstone National Park, whose work includes ...China to declare new reserve for Siberian tigers
... of suitable habitat, which should in turn bolster leopard numbers. Efforts are also underway in Heilongjiang to create a second protected area in the Wandashan Mountains, another key area for tigers in northeast China. Xioachen Yu, a Heilongjiang Wildlife Institute wildlife biologist who has been conductin...Popular weed killer demasculinizes frogs, disrupts their sexual development
...e-contaminated ponds in the Midwest contain native leopard frogs with the same abnormalities. "Atrazine-expos...r in frogs in the wild. They turned up many native leopard frogs (Rana pipiens) with similar problems, and are now testing captured animals to determine whethe...Popular weed killer disrupts frogs' sexual development
...e-contaminated ponds in the Midwest contain native leopard frogs with the same abnormalities. Atrazine-exposed frogs don't have normal reproductive systems," he said. "The males have ovaries in their testes and much smaller vocal organs," which are essential in calling potential mates. It is unclear whethe...Popular weed killer feminizes native leopard frogs across Midwest
Berkeley - Native male leopard frogs throughout the nation's Corn Belt are being .... The UC Berkeley scientists also showed that male leopard frogs raised in laboratory tanks contaminated with atrazine develop egg cells in their testes and es...Out-of-balance ecosystems play role in demise of amphibian populations
...itiative, showed that about 16 percent of northern leopard frog tadpoles infected with Ribeiroia during the limb-bud stage had major deformities. However, when infected earlier, in the pre-limb stage (two weeks of age), tadpoles suffered massive tissue destruction that resulted in almost 100 percent mortalit...Field Museum gives Parker/Gentry Award to Chinese conservationist
...e or endangered animal species, including the snow leopard and Yunnan snub-nosed antelope. Almost certainly, it is home to new species waiting to be discovered." Last year, The Field Museum published a report on the region's rich biodiversity based on a Rapid Biological Inventory (RBI) conducted by several p...UCLA researchers recreate patterns formed by mammalian cells
...cal and repeated patterns such as zebra stripes or leopard spots? For the first time, UCLA researchers have recreated the ability of mammalian cells to self-organize, forming evenly spaced patterns in a test tube. Published in the June 22, 2004 issue of the Proceedings of the National Academy of Sciences, t...Society for conservation biology conference
...he Pauri Garhwal district of the Indian Himalayas, leopard attacks on humans have increased due to habitat fragmentation and decline in wild prey. Getting the Most from International Youth Environmental Education, A Lesson from Venezuela Environmental education is frequently recommended as a way to c...Veterinarians discover first known case of canine distemper in a wild tiger
...berian tiger study, tigers and the endangered Amur leopard have shown an increase in exposure to canine distemper. Dr. Quigley and her team of wildlife veterinarians are collaborating with colleagues in the Russian Far East to address this problem and other diseases. The program is multi-faceted, and includ...