Glaucidium

Trivial name Latin name
Eurasian Pygmy Owl Glaucidium passerinum
Asian Barred Owlet Glaucidium cuculoides
Pearl-spotted Owlet Glaucidium perlatum
Ferruginous Pygmy Owl Glaucidium brasilianum
Ridgway's Pygmy-Owl Glaucidium ridgwayi

comparison of wing and tail configuration