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; Migratory birds; Monitoring; Perching birds; Research; Statistics; Species of concern; Wildlife management;
This is a status assessment and conservation plan for the Cassin's Sparrow. It includes a description and natural history of the bird, as well as range information pertinent to breeding, migration and wintering, monitoring activities, population...
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...
