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...
Biological control; Biologists (USFWS); Diseases; Environmental education; Farms and farming; Podcast; Public Lecture;
In 1941 the Food and Drug Administration approved the use of diethylstilbestrol (DES), the first synthetic chemical to be marketed as an estrogen and one of the first to be identified as a hormone disruptor—a chemical that mimics hormones. Its...
History; Game wardens; Law enforcement; Personnel; Poaching; Employees (USFWS)
Note: "121 mink skins illegally taken and seized by U.S. Game Management Agent Childers" in Wrangell located in Southeast Alaska. Game warden holds up mink skins.
This is a wildlife fact sheet describing the American alligator. It explains some biological information on the animal, and describes briefly its move from endangered status to full recovery.
Prescribed burning; Fire management; Employees (USFWS); Wildlife refuges
U.S. Fish and Wildlife Service fire specialist Josh Anderson uses a drip torch to ignite a prescibed burn at Balcones National Wildlife Refuge in Texas as Lucien Ball holds the fireline with an ATV and sprayer.
