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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