CHARACTERISTICS OF TREES USED BY WHITE-HEADED WOODPECKERS FOR SAP FEEDING EN WASHINGTON.
| Autor: | Kozma, Jeffrey M.1 jeffk@yakama.com |
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| Zdroj: | Northwestern Naturalist. Spring2010, Vol. 91 Issue 1, p81-86. 6p. |
| Databáze: | Academic Search Ultimate |
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