Three species of trematode [Orchipedium jolliei Schell, 1967; Prohyptiamus grusi Kocan, Waldrup, Ramakka, and Iverson, 1982; Echinostoma revolutum (Froelich, 1802)], three species of nematode (Tetrameres grusi Shumakovich, 1946; Synhimanthus sp.; Contracaecum sp.), and one species of cestode (Anomotaenia sp.) were recovered from 146 sandhill cranes, Grus canadensis (Linnaeus), collected in Alaska, Canada, and two areas in Texas. The only common and abundant species were O. jolliei and T. grusi. Of cranes collected in Texas, those that came from the Canadian breeding grounds had significantly greater abundances of O. jolliei and T. grusi than those from Alaska. However, cluster analysis using rank abundances of helminth species across the four geographic regions and stepwise multiple discriminant analysis using the grouping variable of the presence or absence of a subspecies-specific pancreatic protein indicated that classification of cranes into populations based on helminth abundances was impractical as a management technique.
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