Petrochelidon pyrrhonota — Petrochelidon pyrrhonota … Wikipedia Español
Cliff Swallow — Conservation status Least Concern (IU … Wikipedia
Cliff — (kl[i^]f), n. [AS. clif, cloef; akin to OS. klif, D. klif, klip, Icel. klif, Dan. & G. klippe, Sw. klippa; perh. orig. a climbing place. See {Climb}.] A high, steep rock; a precipice. [1913 Webster] {Cliff swallow} (Zo[ o]l.), a North American… … The Collaborative International Dictionary of English
Cliff swallow — Cliff Cliff (kl[i^]f), n. [AS. clif, cloef; akin to OS. klif, D. klif, klip, Icel. klif, Dan. & G. klippe, Sw. klippa; perh. orig. a climbing place. See {Climb}.] A high, steep rock; a precipice. [1913 Webster] {Cliff swallow} (Zo[ o]l.), a North … The Collaborative International Dictionary of English
eaves swallow — Cliff Cliff (kl[i^]f), n. [AS. clif, cloef; akin to OS. klif, D. klif, klip, Icel. klif, Dan. & G. klippe, Sw. klippa; perh. orig. a climbing place. See {Climb}.] A high, steep rock; a precipice. [1913 Webster] {Cliff swallow} (Zo[ o]l.), a North … The Collaborative International Dictionary of English