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An introduction to familiar North American species.
An introduction to prominent stars and constellations.
An introduction to the tracks and signs of familiar North American species.
An introduction to familiar species.
An introduction to familiar urban species.
A color guide to familiar Great Lakes species.
More than 1,500 species identified.
Identifying nearly 1,300 non-passerine bird species.
Combining information from both Eastern and Western field guides.