Birdwatching; Fishing; Game birds; Game management; Hunting; Recreation; Sport fishing; Statistics;
This is the National Survey of Fishing, Hunting, and Wildlife-Associated Recreation for 2006. It has tables describing data pertinent to fishing and hunting, and wildlife-watching, including number of participants and expenditure. It also has...
In 1869, John Wesley Powell led a small party down the Green and Colorado Rivers in a bold attempt to explore the Grand Canyon for the first time. After their monumental expedition, they told of raging rapids, constant danger, and breathtaking...
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...
The following is a time line of significant events that have affected the land and ownership of the property now comprising the National Conservation Training Center (NCTC), with an emphasis on the period from early European settlement until...
This is a preliminary biological assessment of Kirwin National Wildlife Refuge. Stimulation for the report was based on the concept that future decisions related to the biological portion of the Comprehensive Conservation Plan will be based on the...
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...