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Platte River Ecology Study


Appendices


Appendix L. Effects of woody vegetation encroachment on abundance and distribution of various species of birds breeding in the Platte River Valley. Symbols denote increase (+), decrease (-) or no change (o).
Species                           _______Impact of encroachment on________
                                  Abundance                   Distribution

Bobwhite + + Piping Plover - - Kilideer o o Upland Sandpiper - o Spotted Sandpiper - o Wilson's Phalarope - - Least Tern - - Yellow-billed Cuckoo + + Great Horned Owl + o Common Flicker + o Red-bellied Woodpecker + + Red-headed Woodpecker + o Hairy Woodpecker + + Downy Woodpecker + + Eastern Kingbird + + Western Kingbird + + Great Crested Flycatcher + + Willow Flycatcher + + Eastern Wood Pewee + + Western Wood Pewee + + Blue Jay + + Black-capped Chicadee + + House Wren + o Gray Catbird + + Brown Thrasher + o American Robin + o Starling + + Bell's Vireo + + Red-eyed Vireo + + Warbling Vireo + + Yellow Warbler + + Common Yellowthroat + o Bobolink - - Eastern Meadowlark - - Western Meadowlark - o Orchard Oriole + + Northern Oriole + + Cardinal + + Rose-breasted Grosbeak + + Black-headed Grosbeak + + Indigo Bunting + + American Goldfinch + o Dickcissel - - Rufous-sided Towhee + o Grasshopper Sparrow - o Field Sparrow + + Song Sparrow o o

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