Blackbirds and corn in Ohio /

Mode of access: Internet.

Coastal waterbird colonies, Maine to Virginia, 1977 : an atlas showing colony locations and species composition /

Bibliography: p. 647.

Abundance, food habits, and life history aspects of Sacramento squawfish and striped bass at the Red Bluff diversion complex, including the Research Pumping Plant, Sacramento River, California, 1994-1996 : annual report /

"February 1998."

An Ecological characterization of the Central and Northern California coastal region /

Includes bibliographical references.

Distribution of the black duck /

United States Fish and Wildlife Service. Circular, 51.

Report of the Bureau of Commercial Fisheries for the calendar year ..

Mode of access: Internet.

Impacts of mosquito control practices : a bibliography /

Incudes indexes.

Habitat requirements of juvenile Colorado River squawfish /

Mode of access: Internet.

State laws and instream flows /

Mode of access: Internet.

The ecology of Tijuana Estuary, California : an estuarine profile /

Mode of access: Internet.

The ecology of the soft-bottom benthos of San Francisco Bay : a community profile /

Mode of access: Internet.

Mammals imported into the United States in 1968 /

Mode of access: Internet.

Woodcock status report, 1974 /

Mode of access: Internet.

Use of wetland habitats by birds in the National Petroleum Reserve--Alaska /

Mode of access: Internet.

Managing forests to maintain populations of gray and fox squirrels /

Includes statistical tables and graphs.