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...
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...
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...
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....
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...
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...
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...
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...
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)...
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...
"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...
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...
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...
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...
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,...
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....
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...