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Otis
genus of Otididae within Otidiformes

trivial name name latin name specimens
Great Bustard
Otis tarda 		Otis tarda 4 4

species comparison1)

Genus Otis: maximal number primaries: 10, maximal number secondaries: 25, maximal number retrices: 20
1) According to Hartmann (2000a, 2000b and 2016)

Random specimens

Great Bustard
Otis tarda
Great Bustard
Otis tarda
Great Bustard
Otis tarda
Great Bustard
Otis tarda