Sea-swallow
71Dusky Crag Martin — Conservation status Least Concern ( …
72Black Saw-wing — Conservation status Least Concern (IUCN 3.1 …
73Nepal House Martin — At nest site in Bhutan Conservation status …
74Asian House Martin — Asian House Martin …
75Notiochelidon — murina Scientific classification Kingdom …
76Hirundinidé — Hirundinidae Hirundinidae …
77Hirundinidés — Hirundinidae Hirundinidae …
78Eurasian Crag Martin — Perching on a roof in Alcobaça, Portugal Conservation status …
79Crag martin — Dusky Crag Martin on nest Scientific classification Kingdom …
80Sibley-Monroe checklist 15 — The Sibley Monroe checklist was a landmark document in the study of birds. It drew on extensive DNA DNA hybridisation studies to reassess the relationships between modern birds. Passeriformes (continued)Sittidae* Sitta europaea Wood Nuthatch *… …