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Navigation
Aves
Passeriformes
Turdidae
Sialia
Sialia
Trivial name
Latin name
Eastern Bluebird
Sialia sialis
Western Bluebird
Sialia mexicana
comparison of wing and tail configuration
1
absolute
relative
average
maximum
minimum
range of variation
1
According to Hartmann (2000a, 2000b and 2016)