Sällskapsdjur
Det finns över 250 arter av ugglor som tillhör två familjer:
Tytonidae (Barn Owls)
- Barn Owl (Tyto Alba)
- Eastern Screech-Owl (Megascops ASIO)
- Western Screech-Owl (Megascops Kennicottii)
- Whiskered Screech-Owl (Megascops Trichopsis)
-Cloud-Forest Screech-Owl (Megascops nebulosus)
- Rufous-bened Owl (Strix rufipes)
- Great Horned Owl (Bubo Virginianus)
- Snowy Owl (Bubo Scandiacus)
- Northern Hawk-Owl (Surnia Ulula)
Strigidae (sanna ugglor)
- Eurasian Eagle-Owl (Bubo Bubo)
- Blakistons Fish Owl (Bubo Blakistoni)
- Northern Spotted Owl (Strix occidentalis caurina)
- Kalifornien fläckig uggla (strix occidentalis occidentalis)
- spärrad uggla (strix varia)
- Långörad uggla (ASIO OTUS)
- kortörd uggla (Asio flammeus)
- Stygian Owl (Asio Stygius)
- Mottled Owl (Strix Virgata)
- Tawny Owl (Strix Aluco)
- Boreal Owl (Aegolius Funereus)
- Northern Saw-whets Owl (Aegolius Acadicus)
- Elf Owl (Micrathene Whitneyi)
- Ferruginous Pygmy-Owl (Glaucidium brasilianum)
- Northern Pygmy-Owl (Glaucidium Gnoma)
- Burrowing Owl (Athene Cunicularia)
- Spotted Owlet (Athene Brama)
- Little Owl (Athene Noctua)
- Ural Owl (Strix Uralensis)
- Great Grey Owl (Strix Nebulosa)
- Northern Hawk Owl (Surnia Ulula)