Endangered Species Update articles from April - June 2007

Endangered Species Update archives from April - June 2007

Evaluating the benefits and costs of ocelot recovery in Southern Texas.(Report)
April 1, 2007... Abstract Ocelots (Leopardus pardalis) are listed as endangered within the United States (U.S.). A recent population viability analysis of ocelots within the U.S. evaluated the effectiveness of ocelot recovery strategies (i.e. habitat...

Cryptobranchid update: eastern hellbender/Ozark hellbender "North America's Largest Salamander".(Report)
April 1, 2007... Abstract Declining populations of frogs and salamanders in the United States are evident with the creation of new state regulations in many areas. The effects of biotic homogenization reflected in the loss of biodiversity are suggested as...

No Way Home: The Decline of the World's Great Animal Migrations.(Book review)
April 1, 2007... No Way Home: The Decline of the World's Great Animal Migrations David S. Wilcove Island Press Available: 10/15/2007 256 Pages [ILLUSTRATION OMITTED] I miss the bison stampedes: great herds of shaggy humpbacked...

Species at risk: gull-billed tern: a review and update of the conservation status of the critically imperiled gull-billed tern in Florida 1998-2006.
April 1, 2007... The history and status of the gull-billed tern (Gelochelidon nilotica) in Florida from the 1930s through 1995 have been thoroughly reviewed and summarized by Smith et al. (1993), Smith and Gore (1996), and Smith and Alvear (1997). More...

Focus on nature[TM].(Image)
April 1, 2007... [ILLUSTRATION OMITTED] The world's oceans host a myriad of dramas. Here in the Bering Sea a 50-foot-long SPERM WHALE (Physeter macrocephalus) leaves the bachelor herd in search of his favorite meal, the giant squid. As he descends...

San Francisco zoo ends its successful bald eagle recovery program.(News From Zoos)(Brief article)
April 1, 2007... After 22 years, AZA-accredited San Francisco Zoo is ending its California Bald Eagle Recovery Program. With the imminent de-listing of the bald eagle from the U. S. Fish and Wildlife Service Endangered Species List, the nine remaining adult...

Saint Louis zoo partners in research on threatened snake species.(News From Zoos)(Brief article)
April 1, 2007... Jeff Ettling, reptile curator at the AZA-accredited Saint Louis Zoo, joined researchers from Washington University and Saint Louis University to track the declining timber rattlesnake populations in two Missouri counties. The researchers are...

AZA-accredited zoos lead butterfly monitoring programs in Florida.(News From Zoos)(Association of Zoos and Aquariums)(Brief article)
April 1, 2007... Brevard Zoo, Central Florida Zoological Park, Disney's Animal Kingdom, Jacksonville Zoo, Lowry Park Zoo, and Miami MetroZoo are participants in the Florida Butterfly Monitoring Network, created in 2003 for the purpose of surveying butterfly...

Association of zoos & aquariums.(News From Zoos)(Brief article)
April 1, 2007... Zoos and aquariums accredited by AZA have demonstrated that they are dedicated to providing excellent care for animals, a great experience for visitors and a better future for all living things. AZA collaborates to improve the future for...

Endangered species bulletin.(U.S. Fish & Wildlife Service)(Directory)(Table)
April 1, 2007... [ILLUSTRATION OMITTED] For over a century, the Fish and Wildlife Service has played a vital role in conserving America's fishery resources. In 1871, Congress established what is now known as the National Fish Hatchery System. Its original...

The National Fish Hatchery System.
April 1, 2007... [ILLUSTRATION OMITTED] The Fish and Wildlife Service's Fisheries Program is steeped in the conservation traditions of America. Throughout a history that spans 136 years, the Fisheries Program has endeavored to respond to the ever-changing...

A living fossil fights for survival.(pallid sturgeon, Neosho National Fish Hatchery )
April 1, 2007... Some call the pallid sturgeon (Scaphirhynchus albus) a living fossil. This large fish arose in the Cenozoic Era like a dinosaur, then survived the cold crunch of advancing glaciers and lived to thrive in the big, muddy rivers of middle North...

The return of a lake-dwelling giant.(Lahontan National Fish Hatchery, cutthroat trout)
April 1, 2007... [ILLUSTRATION OMITTED] Jay Bigelow holds a male Lahontan cutthroat trout (Oncorhynchus clarki henshawi), one about three years old and 16 inches (40 centimeters) long, and admires the sunlight reflecting off the black-spotted silvery-white...

Hatcheries are for more than fish.
April 1, 2007... [ILLUSTRATION OMITTED] Native mussels may be the most endangered aquatic animals. Here in Arkansas, they were once found in great abundance within many streams. But pollution, over-harvest, impoundments, and dredging changed the character...

Apache trout: swimming towards recovery.
April 1, 2007... [ILLUSTRATION OMITTED] Arizona's iconic image may be a saguaro cactus in a gritty desert, but when you get out of the Sonoran lowlands and into the high country, things change. The cooler, forested mountains of east-central Arizona are...

The Texas blind salamander.(Report)
April 1, 2007... [ILLUSTRATION OMITTED] Pallid and spindly, eyeless and other-worldly, Texas blind salamanders (Typhlomolge rathbuni) make their living in the watery labyrinth of the Edwards Aquifer in central Texas. Top predators, they eat crustaceans,...

National Fish Hatchery system facilities.(Directory)(Table)
April 1, 2007... [ILLUSTRATION OMITTED] National Fish Hatchery System field stations involved with one or more listed Species: NFHS Field Station Project Leader Phone Abernathy FTC (WA) Judy Gordon ...

The "running of the bulls" at Creston NFH.(bull trout, National Fish Hatchery)(Report)
April 1, 2007... It's named for its size, brute strength, and bullish-looking head. The bull trout (Salvelinus confluentus) is really a char, but it is kin enough to brook trout (Salvelinus fontinalis) and Dolly Varden (Salvelinus malma) that they sometimes...

Mora NFH&TC brings Gila trout closer to recovery.(Mora National Fish Hatchery and Technology Center)
April 1, 2007... The names we pin on places tell a story of human experience. In the Gila region in southern New Mexico and Arizona, the lexicon appearing on road signs and maps speaks of conflict, privations, and chance encounters, adding color to this rugged...

Mussels enjoy the waters of white sulphur springs.(White Sulphur Springs National Fish Hatchery)
April 1, 2007... Rivers can be seen as conduits, expressing in their content the character of the land they drain and the ways that land is treated. Land use practices within the watersheds are manifest in the presence or absence of aquatic life forms such as...

Hatchery breeds Wyoming's rarest toad.(Saratoga National Fish Hatchery)
April 1, 2007... [ILLUSTRATION OMITTED] Detroit. Toledo. Cincinnati. New York City. Saratoga. They all hold captive populations of an endangered amphibian, the Wyoming toad (Bufo hemiophrps baxteri). Small captive populations of the rare toad live in eight...

The science behind fish nutrition.
April 1, 2007... [ILLUSTRATION OMITTED] Did you know that most recovery plans for threatened and endangered fish species identify captive propagation as necessary to achieve recovery? That's really no different than for, say, condors or ferrets. Captive...

Mussels on road to recovery at Genoa NFH.
April 1, 2007... [ILLUSTRATION OMITTED] His southern brogue isn't what you would expect to hear in Wisconsin. But then again, his work isn't what you would traditionally expect from a National Fish Hatchery. Tony Brady, a native of North Carolina, headed...

Diet research for the shortnose sturgeon.(Bears Bluff National Fish Hatchery )
April 1, 2007... It may fall upon the National Fish Hatchery System to prevent the extinction of the shortnose sturgeon (Acipenser brevirostrum). This fish has been listed as an endangered species since 1967. Its recovery plan, published by the National Marine...

Fountain darter parasites and conservation.
April 1, 2007... [ILLUSTRATION OMITTED] The Comal River in central Texas begins rather abruptly, gushing forth clear water from fissures at hundreds, if not thousands, of gallons per second. This stream is unique in many ways, but perhaps its most...