Nightjars are medium-sized nocturnal birds with long wings, short legs and very short bills that usually nest on the ground. Nightjars are sometimes referred to as goatsuckers from the mistaken belief that they suck milk from goats (the Latin for goatsucker is Caprimulgus). Some North American species are named as nighthawks. Nightjars are found around the world. They are mostly active in the late evening and early morning or at night, and feed predominantly on moths and other large flying ins… (More on Nightjar)