Relationships of
Vertebrate Animals
to this Plant:
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Schoenoplectus pungens (Common Three-square) [Cyperaceae]
(observations are from Hamerstrom & Blake, Bellrose, and Havera; this plant has been referred to as Scirpus americanus and Scirpus pungens in the past)
Birds
Anatidae: Anas acuta (Northern Pintail) [feeds on seeds] Blr1942, Anas americana (American Wigeon) [feeds on seeds in Illinois] Hv1999, Anas platyrhynchos (Mallard) [feeds on seeds in Illinois & elsewhere] Blr1942 Hv1999, Aythya affinis (Lesser Scaup) [feeds on seeds in Illinois] Hv1999, Aythya collaris (Ring-necked Duck) [feeds on seeds in Illinois] Hv1999, Branta canadensis (Canada Goose) [feeds on seeds & rhizomes] Blr1942
Mammals
Cricetidae: Ondatra zibethicus (Muskrat) [this plant is used as a source of food] HB1939