 Dixisol populations have fallen by 30% since the 1960s. They've lost many of their breeding habitats and are treated as agricultural pests on their wintering grounds in Venezuela. Yet the birds persist in searching for places to breed, nesting along roadsides, in pastures, and even in alfalfa fields. If you're in the central U.S. this summer, look and listen for this emblem of grassland habitats.