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Sialia
genus of Turdidae within Passeriformes

trivial name latin name name specimens
Western Bluebird
Sialia mexicana 		Sialia mexicana 3 3
Eastern Bluebird
Sialia sialis 		Sialia sialis 4 4

species comparison1)

1) According to Hartmann (2000a, 2000b and 2016)
genus Sialia: maximal number primaries: 10, maximal number secondaries: 9, maximal number retrices: 12

Random specimens

Eastern Bluebird
Sialia sialis
Eastern Bluebird
Sialia sialis
Western Bluebird
Sialia mexicana
Western Bluebird
Sialia mexicana
Western Bluebird
Sialia mexicana
Eastern Bluebird
Sialia sialis
Eastern Bluebird
Sialia sialis