Richard-Ong:
Chouette épervière - Northern Hawk Owl - Surnia ulula
Richard-Ong:
Petite nyctale - Northern Saw-whet Owl - Aegolius acadicus
Richard-Ong:
Hibou moyen-duc - Long-eared Owl - Asio otus
Richard-Ong:
Nyctale de Tengmalm - Boreal Owl - Aegolius funereus
Richard-Ong:
Chouette lapone - Great Grey Owl - Strix nebulosa
Richard-Ong:
Petite nyctale - Northern Saw-whet Owl - Aegolius acadicus
Richard-Ong:
Hibou des marais - Short-eared Owl - Asio flammeus
Richard-Ong:
Harfang des neiges - Snowy Owl - Bubo scandiacus
Richard-Ong:
Petit-duc maculé - Eastern Screech-Owl - Megascops asio
Richard-Ong:
Hibou moyen-duc - Long-eared Owl - Asio otus
Richard-Ong:
Chouette épervière - Northern Hawk Owl - Surnia ulula
Richard-Ong:
Grand-duc d'Amérique - Great Horned Owl - Bubo virginianus
Richard-Ong:
Chouette rayée - Barred Owl - Strix varia
Richard-Ong:
Hibou moyen-duc - Long-eared Owl - Asio otus
Richard-Ong:
Effraie des clochers - Barn Owl -Tyto alba
Richard-Ong:
Nyctale de Tengmalm - Boreal Owl - Aegolius funereus
Richard-Ong:
Chouette rayée - Barred Owl - Strix varia
Richard-Ong:
Grand-duc d'Amérique - Great Horned Owl - Bubo virginianus
Richard-Ong:
Petite nyctale - Northern Saw-whet Owl - Aegolius acadicus
Richard-Ong:
Chouette rayée - Barred Owl - Strix varia
Richard-Ong:
Chouette rayée - Barred Owl - Strix varia
Richard-Ong:
Chouette rayée - Barred Owl - Strix varia
Richard-Ong:
Grand-duc d'Amérique - Great Horned Owl - Bubo virginianus
Richard-Ong:
Harfang des neiges - Snowy Owl - Bubo scandiacus
Richard-Ong:
Hibou moyen-duc - Long-eared Owl - Asio otus
Richard-Ong:
Chouette rayée - Barred Owl - Strix varia
Richard-Ong:
Chouette lapone - Great Grey Owl - Strix nebulosa
Richard-Ong:
Chouette lapone - Great Grey Owl - Strix nebulosa
Richard-Ong:
Petite nyctale - Northern Saw-whet Owl - Aegolius acadicus
Richard-Ong:
Chouette rayée - Barred Owl - Strix varia
