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Relationships of
Vertebrate Animals
to this Plant:

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Ceratophyllum demersum
(Common Coontail) [Ceratophyllaceae]
(observations are from Martin et al., Lagler, Bellrose, and Havera)

Birds

Anatidae: Aix sponsa (Wood Duck) [feeds on this plant in Illinois] Hv1999, Anas americana (American Wigeon) [feeds on this plant in Illinois & elsewhere] Blr1942 Hv1999, Anas crecca carolinensis (Green-winged Teal) [feeds on this plant in Illinois] Hv1999, Anas discors (Blue-winged Teal) [feeds on this plant in Illinois & elsewhere] Blr1942 Hv1999, Anas platyrhynchos (Mallard) [this plant comprises 0.5-2% of the diet in the Northeast, feeds on this plant in Illinois & elsewhere] MZN1951 Blr1942 Hv1999, Anas rubripes (Black Duck) [feeds on foliage] Blr1942,
Anas strepera (Gadwall) [foliage & seeds comprise 5-10% of the diet in the Southeast during winter, feeds on this plant in Illinois & elsewhere] MZN1951 Blr1942 Hv1999, Aythya affinis (Lesser Scaup) [this plant comprises 0.5-2% of the diet in the Northeast, feeds on this plant in Illinois] MZN1951 Hv1999, Aythya americana (Redhead) [foliage & seeds comprise 2-5% of the diet in the Northeast during the spring, feeds on this plant in Illinois & elsewhere] MZN1951 Blr1942 Hv1999, Aythya collaris  (Ring-necked Duck) [seeds & foliage comprise 2-5% of the diet in the Northeast during fall, feeds on foliage & seeds in Illinois & elsewhere] MZN1951 Blr1942 Hv1999, Aythya marila (Greater Scaup) [seeds & foliage comprise 2-5% of the diet in the Northeast during winter & spring] MZN1951, Aythya valisineria (Canvasback) [this plant comprises 0.5-2% of the diet in the Northeast, feeds on this plant] MZN1951 Blr1942, Bucephala albeola (Bufflehead) [this plant comprises 0.5-2% of the diet in the Northeast] MZN1951, Oxyura jamaicensis (Ruddy Duck) [this plant comprises 0.5-2% of the diet in the East, feeds on this plant in Illinois & elsewhere] MZN1951 Blr1942 Hv1999; Rallidae: Fulica americana (Common Coot) [foliage & seeds comprise 2-5% of the diet in the Northeast during summer, fall, & winter] MZN1951

Turtles
Chelydridae: 
Chelydra serpentina (Snapping Turtle) [feeds on this plant] Lg1943; Emydidae: Chrysemys picta (Painted Turtle) [feeds on this plant] Lg1943, Emydoidea blandingii (Blanding's Turtle) [feeds on this plant] Lg1943; Kinosternidae: Sternotherus odoratus (Stinkpot) [feeds on this plant] Lg1943
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