What is "caprimulgus europaeus"

Goatsucker \Goat"suck`er\, n. (Zo["o]l.) One of several species of insectivorous birds, belonging to Caprimulgus and allied genera, esp. the European species ( Caprimulgus Europ[ae]us); -- so called from the mistaken notion that it sucks goats. The European species is also goat-milker, goat owl, goat chaffer, fern owl, night hawk, nightjar, night churr, churr-owl, gnat hawk, and dorhawk.

nighthawk \nighthawk\ n.

1. A person who likes to be active late at night; a night owl.

   Syn: night owl, nightbird.

2. (Zo["o]l.) Any of several mainly nocturnal North American goatsuckers, especially Chordeiles minor, or the related European goatsucker Caprimulgus europaeus, also called the nightjar.

   Syn: bullbat, mosquito hawk.