The Audubon Society field guide to North American trees / by Little, Elbert L. (Elbert Luther), 1907-2004

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Ducks at a distance a waterfowl identification guide / by Hines, Bob, U.S. Fish and Wildlife Service, Southwest Natural & Cultural Heritage Association, Geological Survey (U.S.), Northern Prairie Wildlife Research Center

Subjects: “…Ducks United States Identification.…”
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Bumble bees of North America an identification guide / by Williams, Paul (Paul Hugh)

Subjects: “…Bumblebees United States Identification.…”
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Identification and geographical distribution of the mosquitos of North America, north of Mexico / by Darsie, Richard F., PALCI EBSCO books

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Ants of North America : a Guide to the Genera. by Fisher, Brian L.

Subjects: “…Ants United States Identification.…”
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Better birding : tips, tools, and concepts for the field / by Armistead, George L.

Subjects: “…Birds United States Identification.…”
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Manual of grasses for North America /

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Seeds and fruits of plants of eastern Canada and northeastern United States / by Montgomery, F. H. (Frederick Howard), 1902-1978, JSTOR

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