USFWS National Digital Library

- Clark's Nutcracker
- animals; aves; Birds; Birds; Deschutes National Forests;Oregon; passerines;
- Clark's nutcracker feeds on conifer seeds year-round; also insects and spiders, small animals, and has been known to occasionally feed on carrion. Its long, sharp, beak enables it to open pine cones and forage for insects. For more information on...
- Images
- Clark's Nutcracker
- Birds; Migratory birds;
- Clark's nutcracker in tree.
- Images
- Clark's nutcracker
- Birds; oregon;
- Images
- Statistical guide to data analysis of avian monitoring programs Biological Technical Publication BTP-R6001-1999
- Birds;
- avian_monitoring.pdf
- Documents
- Browns Park National Wildlife Refuge Draft Comprehensive Conservation Plan
- Document;Wildlife refuges; Planning
- brownspark_draft.pdf
- Documents
- Browns Park National Wildlife Refuge Comprehensive Conservation Plan
- Document;Wildlife refuges; Planning
- brownspark_final.pdf
- Documents
- Arapaho National Wildlife Refuge Colorado Draft Comprehensive Conservation Plan and Environmental Assessment
- Document;Wildlife refuges; Planning
- index.cpd
- Documents
- Comprehensive Conservation Plan Fish Springs National Wildlife Refuge
- Document;Wildlife refuges; Planning
- index.cpd
- Documents
- Statistical guide to data analysis of avian monitoring programs
- Birds; Monitoring; Research; Statistics;
- 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...
- Documents
- Birds 17
- Illustrations; Art; Birds; raptors; Birds of prey;
- National wildlife artist Bob Hines (1912 - 1994) bird illustrations including short-eared owl; burrowing owl; great horned owl; golden eagle; bald eagles; yellowthroat; red-shouldered hawk; marsh hawk; harris hawk; osbrey; sparrow hawk; peregrine...
- Images