Search by...
Results should have...
  • All of these words
  • Any of these words
  • This exact phrase
  • None of these words
Keyword searches may also use the operators
AND, OR, NOT, “ ”, ( )

Endangered Species Update

Technical environmental journal.

Articles from Vol. 17, No. 4, July

Box Score
Listings and Recovery Plans as of December 31, 1999 ENDANGERED THREATENED GROUP U.S. FOREIGN U.S. FOREIGN MAMMALS 61 248 8 16 BIRDS 74 ...
Read preview
Endangered Species Recovery Program
The Endangered Species Act has as its primary purpose the conservation of endangered and threatened species and the ecosystems upon which they depend. It focuses on a single, ultimate goal: to recover listed species to a point where they have become...
Read preview
Endangered Species Timeline
The following timeline summarizes some of the many events, both positive and negative, in our nation's growing effort to conserve our rare animal and plant resources: PRE-1970 1903 President Theodore Roosevelt establishes the first National Wildlife...
Read preview
Enforcing the Law for Endangered Species
In 1973, the Endangered Species Act (ESA) launched a new era in wildlife law enforcement. Federal officers had been on the wildlife "beat" since 1900, but their work focused primarily on protecting waterfowl and supporting State management of game...
Read preview
Flock of Baby Flamingos Not So "Cheep"
The estuaries around the Rio Lagartos Reserva de la Biosfera in Yucatan, Mexico are one of the major nesting areas for flamingos. Recently, a jaguar raided a nesting colony of flamingos in the Rio Lagartos reserve, killing a number of adult flamingos....
Read preview
Habitat Conservation Planning
A logger fells a tree housing a nest of endangered red-cockaded woodpeckers (Picoides borealis). A farmer runs his tractor through a field that harbors the endangered Karner blue butterfly (Lycaeides melissa samuelis). A community builds a school on...
Read preview
Lessons from Leopold in Assessing the ESA
Some 63 years ago, Aldo Leopold called the need to conserve threatened forms of wildlife "the crux of conservation policy."(1) Nearly four decades later, Congress made the first serious national effort to address this challenge. With enactment of the...
Read preview
Listing Actions
During August and September 1999, the Fish and Wildlife Service and National Marine Fisheries Service (NMFS) published the following Endangered Species Act (ESA) listing actions in the Federal Register. The full text of each proposed and final rule...
Read preview
Preserving Our Endangered Heritage
History, like wildlife, can become endangered through indifference or destruction. With that thought in mind, the Fish and Wildlife Service (FWS) created a Heritage Committee a little more than a year ago to oversee the preservation of our agency's...
Read preview
Project Piaba: Working toward a Sustainable Natural Resource in Amazon Freshwater Fisheries
Abstract A non-endangered species has become the focus of an ongoing research project in the Amazon and may prove to be the key to preserving the ecology and way of life for the people of the mid-Rio Negro Basin. The cardinal tetra (Paracheirodon axelrodi)...
Read preview
Regional News & Recovery Updates
Regional endangered species staffers have provided the following news: Region 1 Applegate's Milk-vetch Staff from the FWS Klamath Falls, Oregon, Office assisted the Oregon Department of Agriculture (ODA)'s Plant Conservation Program in planting...
Read preview
Science
"Back off man, I'm a scientist." This bumper sticker has been percolating in my brain for many years. Here's why. Science supposedly tells us why things are the way they are. However, science isn't value-free. Numerous prejudices are embedded in...
Read preview
Sharing the Rewards of Endangered Species Recovery
The Endangered Species Act ranked as one of the most popular laws ever when it was enacted in 1973. It passed with almost unanimous support in Congress, following the ground-breaking research by the Fish and Wildlife Service that linked DDT, a commonly...
Read preview
Survey of State Criteria Used to Determine the Status of Plant Taxa
Abstract This paper is an organized summary discussion of the basic considerations ('criteria) used by state-level organizations in determining the status of native taxa on an individual basis (such as endangered, threatened, extinct, or other lesser...
Read preview
The Endangered Species Listing Program
The Endangered Species Act of 1973 (ESA) gives, the Secretary of the Interior responsibility for making a very important decision: determining whether to place an animal or plant on the Federal list of endangered and threatened species. This responsibility...
Read preview
The Federal Role in Habitat Protection
The Endangered Species Act (ESA) has broader mandates than simply directing the Fish and Wildlife Service to protect listed plants or animals. It directs all Federal agencies, not just the Fish and Wildlife Service and National Marine Fisheries :Service,...
Read preview
Xantus' Murrelet, Sythliboramphus Hypoleucus II: Assessment of Listing Status
Abstract We considered the status of Xantus' Murrelet (Synthliboramphus hypoleucus), a rare seabird of the western United States and Mexico, under the World Conservation Union quantitative criteria for listing as vulnerable, threatened and endangered....
Read preview
Xantus' Murrelet, Sythliboramphus Hypoleucus I: Status and Conservation
Abstract The worldwide population of Xantus' Murrelets is likely less than 10,000 birds. Breeding populations are restricted to offshore islands from Pt. Conception, California to Central Baja California, Mexico. The Xantus' Murrelet breeding population...
Read preview