Aquatic animals; Aquatic environments; Biological control; Habitat conservation; Invasive species; Population control; Work of the Service;
This is a plan to prevent zebra mussels and other aquatic nuisance species from spreading westward. This document includes background on the issue, including the current and potential impacts, ecological, economic and otherwise, the spread of these...
Birds; Birds of prey; Endangered species; Migratory birds; Raptors;
This is a fact sheet describing the peregrine falcon in North America. It outlines the history of the bird, its decline in the mid-twentieth century due to DDT, and its successful recovery in the years since.
This is an in-depth description of the red-cockaded woodpecker. It covers a multitude of topics, including history, location, habitat, environmental niche, conservation efforts and more.
This report is an initial biological assessment of wetland conditions on Long Lake National Wildlife Refuge, Slade National Wildlife Refuge, and Florence Lake National Wildlife Refuge that was conducted as part of the pre-planning phase for...
History; Biography; Personnel; Management; Law enforcement; Research;
Chronology of Morton M. Smith's professional career, prepared by Stan Smith, from various sources. Also includes a list of the people Smith worked with, as well as a collection of anecdotes about Smith, as told by the people who knew him.
Found "no where else on earth" --The spring-loving centaury, Centaurium namophilum, is considered to be endemic to the Ash Meadows area (meaning it is definitely found within the refuge borders but also in adjacent federal and private...
A Ruby-throated Hummingbird is caught in a net to study at the Bon Secour, meaning "safe harbor" in French, National Wildlife Refuge located in Gulf Shores, Alabama.
The black wolf here is melanistic, meaning that it has black pigments in the fur rather than the regular gray/grey that one usually sees. The extreme opposite of this would be the white/albino where there is an absence of pigment throughout.;...