Birds Eating the Seeds
of Knotweed
(Polygonum spp.)
Bird Names
(Scientific
& Common)
Calcarius lapponicus *
(Lapland Longspur)
Plectrophenax nivalis *
(Snow Bunting)
Cardinalis cardinalis
(Northern Cardinal)
Zenaida macroura
(Mourning Dove)
Junco hyemalis *
(Slate-colored Junco)
Passerella iliaca
(Fox Sparrow)
Pooecetes gramineus
(Vesper Sparrow)
Spizella pusilla
(Field Sparrow)
Spizelloides arborea *
(American Tree Sparrow)
Zonotrichia leucophrys
(White-crowned Sparrow)
Zonotrichia querula
(Harris Sparrow)
Agelaius phoeniceus
(Red-winged Blackbird)
Molothrus ater
(Brown-headed Cowbird)
Passer domesticus
(House Sparrow)
Colinus virginianus
(Bobwhite Quail)
Perdix perdix
(Hungarian Partridge)
Tympanuchus cupido
(Greater Prairie Chicken)
Scolopax minor
(American Woodcock)
* seeds are eaten primarily during the winter
Sources: Martin et al. (1951/1961),
DeVore et al. (2004)
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