This is a guide to help with data analysis of avian monitoring programs. It covers assessment of abundance and species composition using point counts, demographic monitoring via mist-nets and demographic monitoring via nest-monitoring. The guide...
This is a status assessment of the double-crested cormorant in North America as of 2001. It includes general information on the bird, biological information and area-specific population information for throughout North America.
Birds; Grasslands; Migratory birds; Perching birds; Research; Species of concern;
This is a description of the molt and aging criteria for four grassland passerines. The species covered are Sprague's Pipit, Grasshopper sparrow, Baird's sparrows, and Chestnut-collared Longspurs. Molt information is important for determining...
Birds; Birds of prey; Endangered species; Migratory birds; Raptors; Monitoring; Population control
This is the monitoring plan for the American peregrine falcon under the Endangered Species Act. It describes the methods of monitoring and their implementation.
"In New England, the specific job is to spread consumption more uniformly over the nearly 80 species of fish and shellfish that are brought, into local ports each year. Production records 'of the fishing industry show a serious lack of...
This fact sheet describes the bull trout. Differences between bull trout and other salmonids, particularly Dolly Varden are explained. It also briefly describes the fish's breeding and feeding habits, the water conditions it prefers, and 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...
