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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