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Ptyonoprogne
genus of Hirundinidae within Passeriformes

trivial name latin name name specimens
Eurasian Crag Martin
Ptyonoprogne rupestris
Ptyonoprogne rupestris 6 6
Rock Martin or Pale Crag-Martin
Ptyonoprogne fuligula
Ptyonoprogne fuligula 1 1

species comparison1)

1) According to Hartmann (2000a, 2000b and 2016)
genus Ptyonoprogne: maximal number primaries: 10, maximal number secondaries: 10, maximal number retrices: 12

Random specimens