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Aegolius
genus of Strigidae within Strigiformes

trivial name latin name name specimens
Boreal Owl / Tengmalm
Aegolius funereus 		Aegolius funereus 003 003

Species comparison1)

Genus Aegolius: maximal number primaries: 10, maximal number secondaries: 15, maximal number retrices: 12
1) According to Hartmann (2000a, 2000b and 2016)

Random specimens

Boreal Owl / Tengmalm
Aegolius funereus
Boreal Owl / Tengmalm
Aegolius funereus
Boreal Owl / Tengmalm
Aegolius funereus