Upland Sandpiper (Bartramia longicauda), listed as Threatened, prefers grasslands with low to moderate forb cover, <5% woody cover, moderate grass cover, moderate litter cover, and little bare ground. Dominant breeding habitats in Wisconsin include lightly grazed pastures, old fields, idle upland grasslands, barrens, and hayfields for nesting. Heavily grazed pasture, hayfields, fallow fields, and row crops are used for foraging. The required avoidance period is April 30 - July 25.