Listing Protection Proposed for Eleven Plants and Animals
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August 1987 Vol. XII No. 8 D| iIIa^im Department of interior. U.S. Fish and Wiidlife Service 1 CvUmW^I DUIICViri Endangered Species Program, Washington, D.c. 20240 Listing Protection Proposed for Eleven Plants and Animals During July 1987, seven plant and four animal taxa were proposed for addition to the Federal lists of Endangered and Threatened wildlife and plants. If the list- ings become final, Endangered Species Act protection will be extended to the fol- lowing: Chisos Mountain Hedgehog Cactus {Echinocereus reichenbachii var. chisoensis) Native to the southwestern United States, the Chisos Mountain hedgehog cactus is very restricted in numbers and distribution. Its entire population of approx- imately 1,000 plants is known from only a few places in southern Brewster County, Texas. Fortunately, these sites are pro- The Chisos Mountain hedgehog cactus tected as part of Big Bend National Park. is a small, barrel-shaped variety with The species' low numbers and localized deep green to bluish-green stems up to occurrence nevertheless make it vulner- 6 inches (15 centimeters) tall. Its attrac- able to extinction from collecting or habitat tive flowers have petals that are red at disruption. To help increase Its protection, the base, white at mid-length, and the Service has proposed to list the Chisos fuschia at the tips. Mountain hedgehog cactus as Threatened (F.R. 7/6/87). able to harm from road maintenance and flowers, measures up to 3 inches (76 milli- This cactus grows amid sparse Chihua- trail building unless these activities take meters), compared to a maximum head huan Desert vegetation on alluvial flats the species' presence into account. No and body length of about 3.75 inches (90 near the Chisos Mountains, the local range Federal activities that might adversely af- mm). Both L. nivalis and L. sanborni are from which the cactus takes its name. Be- fect the cactus are known or expected. adapted for life in arid country, and are tween World War I and World War II, be- found mainly in desert scrub habitat In the fore the park was established, this area northern parts of their ranges; farther was heavily overgrazed by livestock. Re- south, however, they sometimes occur at moval of the native short grass cover may Two Southwestern Bats high elevations on wooded mountains. For have altered the preferred habitat condi- roosting during the day, these bats depend tions for establishment of Chisos Mountain Two other residents of the southwest almost entirely on caves and abandoned hedgehog cactus seedlings. The return of also have been proposed for listing (F.R. mine tunnels. Populations in the U.S. and native grasses may create an environment 7/6/87), this time as Endangered: the Mex- northern Mexico apparently migrate south- more favorable to the cactus seedlings; ican long-nosed bat (Leptonycteris ward in the fall and return in the spring, however, recovery of overgrazed desert nivalis and Sanborn's long-nosed bat with groups occupying the same roosting rangelands Is a slow process and some (L. sanborni). Both species occur as far sites year after year. desert plant communities never return to south as Central America and reach the their former composition. U.S. at the northern end of their ranges. Because the Chisos Mountain hedge- They have declined dramatically In recent The only known L. nivalis roosting site in hog cactus Is so rare and has such attrac- years, primarily the result of killing by hu- the U.S. still in use Is a shallow cave within tive flowers, some private and commercial mans and overexploltation of the bats' Big Bend National Park in Texas. Even collectors find It desirable. Although col- food plants. though the cave is protected. Its L. nivalis lecting any cacti in the park without a per- Bats in the genus Leptonycteris are population has plunged from an estimated mit is prohibited, taking of the Chisos small, weighing at most one ounce (28 10,650 bats in 1967 to about 1,000 in Mountain hedgehog cactus probably has grams). They differ strikingly from most 1983. A recent FWS-funded survey indi- occurred in recent years, and any illegal others in the U.S. in having an elongated cated that populations in Mexico also are collecting is detrimental to such small pop- muzzle with a small nose "leaf" at the tip. ulations. They also are potentially vulner- The long tongue, an adaption to feeding on (continued on page 5) ENDANGERED SPECIES TECHNICAL BULLETIN Vol. XII No. 8 (1987) 1 Creek) in the East Walker River drainage. The salvaged fish will be held in that gla- cial-fed stream until they can be used for a planned reintroduction into Slinkard Creek later this year. Dr. Jack Williams, of the Fish and Wild- life Service's Sacramento (California) En- dangered Species Office, recently pre- sented a draft protocol for conducting introductions of Endangered and Threat- ened fishes at the American Society of Ich- thyologists and Herpetologists meeting in Albany, New York. A manuscript describ- ing the protocol will be submitted to the American Fisheries Society for official Endangered species program regional of July to salvage Lahontan cutthroat trout adoption. staff members have reported the fol- {Salmo clarki henshawi) from sections of lowing news for the month of July: By-Day Creek (f\/lono County, California), which is drying up because of this year's Region 1 — An interagency rescue low runoff. Over 200 fish were rescued and Four bald eagle {Haliaeetus leuc- effort was carried out during the first week taken to a headwater stream (Horse ocephalus) nestlings removed from nests along coastal British Columbia, Canada, Region 3. Federal BIdg,. Fort Snelling. Twin U.S. Fish and Wildlife Service were released at key hack sites in Califor- Washington, D.C. 20240 Cities, MN 55111 (612-725-3500): Har- vey Nelson. Regional Director; John 8. nia by the Ventana Wilderness Sanctuary. Frank Dunkle. Director Popowski, Assistant Regional Director: (202-343-4717) James M. Engel. Endangered Species Ronald E. Lamberlson Specialist. Assistar^l Director for Fish Three productive bald eagle nests were and Wildlife Enhancement Region 4, Richard 8. Russell Federal BIdg.. observed at Cascade Reservoir near (202-343-4646) 75 Spring St.. S W. Atlanta. GA 30303 William E. Knapp, Acting Chief (404-331-3580): James W. Pulliam, Re- Boise, Idaho. Idaho's 1987 total includes Office of Endangered Species gional Director: John I Christian, Assi 26 productive nests and 31 active nests. (703-235-2771) stant Regional Director. Marshall P Richard L. Jachowski, Acting Chief, Jones. Endangered Species Specialist Federal Wildlife Permit Office Region 5, One Gateway Center, Suite 700 (703-235-1937) Newton Corner, MA 02158 (617-965 Clark R. Bavin, Chief. 5100): Howard Larson. Regional Direc The 1987 southern sea otter {Enhydra Division of Law Enforcement tor: Stephen W. Parry. Assistant Re lutris nereis) census was completed re- (202-343-9242) gional Director: Paul Nickerson. En cently by the Service and the California dangered Species Specialist. TECHNICAL BULLETIN Staff Department of Fish and Game. The total of Michael Bender. Editor Region 6. P O Box 25486. Denver Federal 1,650 included 220 pups and was up from Denise Henne. Assistant Editor Center, Denver. CO 80225 (303-236- last year's total of 1,570. Although this (703-235-2407) 7920): Galen Buterbaugh, Regional Di- rector: John D. Green, Assistant Re- year's census appears promising, the indi- gional Director: Barry S. Mulder, En- cated upward trend has not been statis- Regional Offices dangered Species Specialist. tically substantiated. Region 1, Lloyd 500 BIdg,, Suite 1692. 500 Region 7, 1011 E, Tudor Rd., Anchorage, Editor's note: A final rule authorizing es- N,E, Multnomah St., Portland. OR AK 99503 (907-786-3542); Walter O. tablishment and containment of an experi- 97232 (503-231-61 18): Rolf L, Wal- Stieglitz, Regional Director; Jon Nelson, mental population of southern sea otters in lenstrom. Regional Director: William F, Assistant Regional Director: Dennis the vicinity of San Nicolas Island, off the Shake. Assistant Regional Director: Money. Endangered Species Special- Wayne S. White. Endangered Species ist. coast of southern California, was pub- Specialist. lished in the August 11,1987, Federal Region 8 (FWS Research and Develop- Region 2. P,0, Box 1306. Albuquerque. NM ment), Washington, D C. 20240: Register. Future editions of the BULLETIN 87103 (505-766-2321): Michael J Richard N. Smith, Regional Director: will contain more news on this recovery Spear, Regional Director: Conrad A, Endangered Species Staff: Clarence effort. Fjetland. Assistant Regional Director: Johnson, fish and crustaceans (202- James Johnson. Endangered Species 653-8772): Bettina Sparrowe, other ani- Specialist. mals and plants (202-653-8762) U.S. Fish and Wildlife Service Regions A recent 3-acre fire at California's Anti- och Dunes National Wildlife Refuge could Region 1: Calitornia, Hawaii, Idaho, Nevada, Oregon, Washington, and Pacific Trust Territories Region 2: Arizona, New Mexico, Oklahoma, and Texas Region 3; Illinois, Indiana, Iowa, Michigan, Minnesota, Missouri, Ohio, and Wisconsin Re- enhance Antioch Dunes evening-primrose gion 4: Alabama, Arkansas, Florida, Georgia, Kentucky, Louisiana, Mississippi, North Carolina, South Carolina, Ten- (Oenothera deltoides ssp. howellii) propa- nessee, Puerto Rico and the Virgin Islands Region 5: Connecticut, Delaware, Maine, Maryland, Massachusetts, New Hampshire. New Jersey New York, Pennsylvania, Rhode Island, Vermont, Virginia and West Virginia Reglorvfi; Colorado, gation by opening overgrown habitat. For- Kansas, Montana, Nebraska, North Dakota, South Dakota, Utah, and Wyoming Region 7; Alaska Region 8; Research tunately, the fire occurred in an area where and Development nationwide there were not any Antioch Dunes eve- The ENDANGERED SPECIES TECHNICAL BULLETIN is published monthly by the U. S Fish ning-primroses, Contra Costa wallflowers and Wildlife Service.