The Short-tailed Nighthawk (Lurocalis semitorquatus) is a batlike in flight bird. It lives from NE Nicaragua to E Peru, N Argentina, and C Brazil.
20cm (8”), 75g. Dark, with distinctive long, blunt-pointed wings and a very short square tail. White chevron across throat; rest of head, chest and upperparts brownish-black, mottled with rufous; wings and tail barred with rufous; bases of scapulars and tertials whitish, vermiculated with black, forming pale band across base of wings (more noticeable in males); belly and wing-linings cinnamon-rufous barred with black. Bill black shading to flesh color on rami. Young: Scapulars, tertials and chest white with small rufous, black-rimmed spots giving ocellated effect.