Breeding Birds of the Platte River Valley
Table 4
Table 4. Effects of wooded vegetation encroachment on abundance and distribution of various species ofbirds breeding in the Platte River Valley.
Symbols denote increase (+), decrease (-) or no change (0).
Impact of encroachment on
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Species Abundance Distribution
Northern bobwhite + +
Piping plover - -
Killdeer 0 0
Upland sandpiper - 0
Spotted sandpiper - 0
Wilson's phalarope - -
Least tern - -
Yellow-billed cuckoo + +
Great horned owl + 0
Northern flicker + 0
Red-bellied woodpecker + +
Red-headed woodpecker + 0
Hairy woodpecker + +
Downy woodpecker + +
Eastern kingbird + +
Western kingbird + +
Great crested flycatcher + +
Willow flycatcher + +
Eastern wood-pewee + +
Western wood-pewee + +
Blue jay + +
Black-capped chickadee + +
House wren + 0
Gray catbird + +
Brown thrasher + 0
American robin + 0
Eurasian starling + +
Bell's vireo + +
Red-eyed vireo + +
Warbling vireo + +
Yellow warbler + +
Common yellowthroat + 0
Bobolink - -
Eastern meadowlark - -
Western meadowlark - 0
Orchard oriole + +
Northern oriole + +
Northern cardinal + +
Rose-breasted grosbeak + +
Black-headed grosbeak + +
Indigo bunting + +
American goldfinch + 0
Dickcissel - -
Rufous-sided towhee + 0
Grasshopper sparrow - 0
Field sparrow + +
Song sparrow 0 0
