Relationships of
Vertebrate Animals
to this Plant:
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Sporobolus spp. (Dropseed) [Poaceae]
(observations are from Martin et al.)
Birds
Alaudidae: Eremophila alpestris (Horned Lark) [seeds comprise 0.5-2% of the diet in eastern USA] MZN1951; Calcaridae: Calcarius lapponicus (Lapland Longspur) [seeds comprise 0.5-2% of the diet in NE USA & Northern Prairies] MZN1951, Calcarius pictus (Smith's Longspur) [seeds comprise 25-50% of the diet in Illinois during spring] MZN1951, Plectrophenax nivalis (Snow Bunting) [seeds comprise 2-5% of the diet in NE USA during winter] MZN1951; Emberizidae: Junco hyemalis (Dark-eyed Junco) [seeds comprise 5-10% of the diet in NE USA during winter & spring, seeds comprise 10-25% of the diet in the Prairie region during fall & winter] MZN1951; Passerculus sandwichensis (Savannah Sparrow) [seeds comprise 2-5% of the diet in the Southern Prairies during winter] MZN1951, Spizella pusilla (Field Sparrow) [seeds comprise 0.5-2% of the diet in NE USA, seeds comprise 5-10% of the diet in the Prairie region during winter & spring] MZN1951, Spizelloides arborea (American Tree Sparrow) [seeds comprise 2-5% of the diet in NE USA & Eastern Prairies during winter & spring] MZN1951, Zonotrichia leucophrys (White-crowned Sparrow) [seeds comprise 2-5% of the diet in Eastern Prairies during winter] MZN1951