. . . . . . . . "1990-05-01T00:00:00Z"^^ . . "Cypseloides niger" . . "Pentatomidae" . . "Marin, M. 1999b. Food, foraging, and timing of breeding of the Black Swift in California. Wilson Bulletin 111:30-37." . . . . "Allen Hurlbert. 2017. Avian Diet Database." .