This glossary is intended to give the meaning of key words but does not necessarily provide a legal definition or thorough description. Endangered Species Act of 1973, as amended is Federal legislation that is intended to provide a means to...
This handbook was primarily developed to aid FWS and NMFS biologists implementing the section 7 consultation process. The purpose of the handbook is to provide information and guidance on the various consultation processes outlined in the...
This is a guide to altricial passerines. It has an explanation of variables used for aging birds and an explanation of methodology employed, and provides information obtained while recording the early aging of the Dusky Flycatcher, the Carolina...
Endangered species; Mammals; Population control; Predator control; Predators; Reintroduction; Statistics;
This is the review of the efforts to reestablish Mexican wolves in the Blue Range Wolf Recovery Area . The review is a direct result of an environmental impact statement concluded by the U.S. Fish and Wildlife Service in 1996. It includes various...
This publication is is the result of a Fish and Wildlife Countermeasures Coordination Project undertaken by the U.S. Fish and Wildlife Service (USFWS). The goals of the project include the development of national “best practices” using...
This species profile is one of a series on coastal aquatic organisms. principally fish, of sport, commercial, or ecological importance. The profiles are designed to provide coastal managers, engineers, and biologists with a brief comprehensive...
When a species is proposed for listing as endangered or threatened under the Endangered Species Act (Act), we must consider whether there are areas of habitat we believe are essential to the species’ conservation. Those areas may be...