Vilniaus universiteto Ekologijos institutas. – Vilnius : Vilniaus universiteto Ekologijos institutas. Mečislovas Žalakevičius, Irena Žalakevičienė. 2009.
Brown-chested Martin — Taxobox name = Brown chested Martin status = LC | status system = IUCN3.1 status ref=BirdLife International 2004. [http://www.iucnredlist.org/search/details.php/52135/all Progne tapera ] . [http://www.iucnredlist.org 2006 IUCN Red List of… … Wikipedia
Brown-bellied Swallow — Conservation status … Wikipedia
Crag martin — Dusky Crag Martin on nest Scientific classification Kingdom … Wikipedia
Eurasian Crag Martin — Perching on a roof in Alcobaça, Portugal Conservation status … Wikipedia
Sand Martin — Flying in Scotland Conservation status … Wikipedia
Dusky Crag Martin — Conservation status Least Concern ( … Wikipedia
Asian House Martin — Asian House Martin … Wikipedia
Congo Sand Martin — Conservation status Least Concern (IUCN 3.1) Scientific classification King … Wikipedia
Nepal House Martin — At nest site in Bhutan Conservation status … Wikipedia
Common House Martin — Flying in Iceland, where it breeds only occasionally[1] Conservation status … Wikipedia
