Caprimulgus Vociferus, commonly referred to as the Whip-poor-will, is a nocturnal bird known for its distinctive calls. Synonyms for this species include the Eastern Whip-poor-will, Antrostomus vociferus, and Caprimulgus vociferus vociferus. These synonymic names come from the diverse region the bird inhabits, with the Eastern Whip-poor-will found throughout the eastern United States and Canada, Antrostomus vociferus found in Mexico and Central America, and Caprimulgus vociferus vociferus found in the western United States. The Whip-poor-will's unique vocalizations and elusive nature make it a fascinating creature to study and observe in the wild, and its multiple synonyms reflect its widespread geographical distribution.