Owl Species Size Comparison LIVING EXTINCT

1. Elf owl (Micrathene whitneyi) 2. Flammulated owl (Psiloscops flammeolus) 3. Eurasian pygmy owl (Glaucidium passerinum) 4. Eurasian scops owl (Otus scops) 5. Northern sawwhet owl (Aegolius acadicus) 6. Little owl (Athene noctua) 7. Eastern screech owl (Megascops asio) 8. Collared scops owl (Otus lettia) 9. Boreal owl (Aegolius funereus) owl (Athene cunicularia) whitefaced owl (Ptilopsis granti) bay owl (Phodilus badius) boobook (Ninox boobook) owl (Sceloglaux albifacies) owl (Asio flammeus) owl (Tyto alba) hawk owl (Surnia ulula) owl or brown owl (Strix aluco) sooty owl (Tyto tenebricosa) owl (Pulsatrix perspicillata) owl (Athene cretensis) fish owl (Ketupa zeylonensis) fishing owl (Scotopelia peli) horned owl (Bubo virginianus) giant owl owl (Asio ecua