Long Eared Owl
http://naturemappingfoundation.org/natmap/facts/long-eared_owl_k6.html
https://www.allaboutbirds.org/guide/Long-eared_Owl
 
Short Eared Owl
http://www.owlworlds.com/short-eared-owl/
https://www.allaboutbirds.org/guide/Short-eared_Owl
 
Barn Owl
http://naturemappingfoundation.org/natmap/facts/barn_owl_k6.html
https://www.allaboutbirds.org/guide/Barn_Owl/id
 
Great Horned Owl
http://naturemappingfoundation.org/natmap/facts/great_horned_owl_k6.html
https://www.allaboutbirds.org/guide/Great_Horned_Owl
 
Western Screech Owl
http://naturemappingfoundation.org/natmap/facts/western_screech_owl_k6.html
https://www.allaboutbirds.org/guide/Western_Screech-Owl
 
Northern Pigmy Owl
https://www.birdnote.org/show/pygmy-owls-false-eyes
http://www.owlworlds.com/northern-pygmy-owl/
https://www.allaboutbirds.org/guide/Northern_Pygmy-Owl
​
Northern Saw Whet Owl
http://naturemappingfoundation.org/natmap/facts/northern_saw-whet_owl_k6.html
https://www.allaboutbirds.org/guide/Northern_Saw-whet_Owl/sounds
 
Spotted Owl
http://naturemappingfoundation.org/natmap/facts/spotted_owl_k6.html
https://www.allaboutbirds.org/guide/Spotted_Owl/
 
Burrowing Owl
http://naturemappingfoundation.org/natmap/facts/burrowing_owl_k6.html
https://www.allaboutbirds.org/guide/Burrowing_Owl