Plans for building Nest Structures, Feeders, and Photo Blinds for North Dakota Wildlife. Has plans for a wide range of species.

Introduction to Eastern Bluebirds and their habitat requirements from the U.S. Department of Agriculture.

Hundreds of seasonal occurrence bird checklists for state, federal, and private management areas, nature preserves, and other areas of special interest in the United States.

Large number of articles with detailed information about United States birds.

Seasonal bird checklists for 10 sites in Alabama.

Seasonal checklists for the state and 33 refuges in Alaska.

Seasonal checklists for 22 refuges in Arizona.

Seasonal bird checklists for 11 refuges in the state.

Seasonal checklists for 36 refuges in California.

Seasonal checklists for 16 sites in Colorado.