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Filed under: Caprimulgidae|
Filed under: Whip-poor-willFiled under: Chordeiles
- Catalogue of the caprimulgidae in the collection of the Academy of Natural Sciences of Philadelphia / ([Philadelphia : s.n., 1851]), by John Cassin and Academy of Natural Sciences of Philadelphia (page images at HathiTrust)
- Podargidae, Caprimulgidae und Macropterygidae, (Berlin, R. Friedländer und Sohn, 1897), by Ernst Hartert (page images at HathiTrust; US access only)
- Life histories of North American cuckoos, goatsuckers, hummingbirds and their allies : orders Psittaciformes, Cuculiformes, Trogoniformes, Coraciiformes, Caprimulgiformes and Micropodiiformes. (Washington : U.S. Govt. Print. Off., 1940), by Arthur Cleveland Bent (page images at HathiTrust)
- Recovery plan for the Puerto Rican whip-poor-will (Caprimulgus noctitherus) / (Atlanta, Ga. : The Service, ), by Carlos A. Diaz Diaz, U.S. Fish and Wildlife Service. Region 4, and Puerto Rico. Department of Natural Resources (page images at HathiTrust)
Items below (if any) are from related and broader terms.
Filed under: Podargidae