The pale crag martin (Ptyonoprogne obsoleta) is a small passerine bird in the swallow family that is resident in Northern Africa and in Southwestern Asia...

crag martin (P. rupestris), the pale crag martin (P. obsoleta), the rock martin (P. fuligula) and the dusky crag martin (P. concolor). They are closely...

The Eurasian crag martin or just crag martin (Ptyonoprogne rupestris) is a small passerine bird in the swallow family. It is about 14 cm (5.5 in) long...

forms, and are now usually split as a separate species, the pale crag martin. The rock martin hunts along cliff faces for flying insects using a slow flight...

The dusky crag martin (Ptyonoprogne concolor) is a small passerine bird in the swallow family. It is about 13 cm (5 in) long with a broad body and wings...

dry or mountainous areas are often matte brown above (e.g. sand martin and crag martin). The sexes show limited or no sexual dimorphism, with longer outer...

The purple martin (Progne subis) is a passerine bird in the swallow family Hirundinidae. It is the largest swallow in North America. Despite its name,...

"riverbank". The pale martin of northern India and southeastern China is now usually split as a separate species Riparia diluta. It has paler grey-brown upperparts...

Hyalomma marginatum is a hard-bodied tick found on birds including the pale crag martin. This tick has been implicated in the transmission of Bahig virus,...

house martin (Delichon urbicum), sometimes called the common house martin, northern house martin or, particularly in Europe, just house martin, is a migratory...