Birds Eating the Seeds
of Knotweeds
(Polygonum spp.)




Insect & Family 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)

Bonasa umbellus
(Ruffed Grouse)

Colinus virginianus
(Bobwhite Quail)

Perdix perdix
(Hungarian Partridge)

Tympanuchus cupido
(Greater Prairie Chicken)

Scolopax minor
(American Woodcock)



Note: This table also applies to Fallopia spp.,
which were formerly classified as Polygonum spp.

Sources: Martin et al. (1951/1961),
DeVore et al. (2004), Bennetts (1900),
Lewis (1993), Yeatter (1943)

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