Great horned owl Bubo virginianus Location: San Diego Museum of Natural History, Balboa Park, San Diego, CA Year: 2014 Merckdigitals catalogue number: 22-83985 Comments: Holocene

Great horned owl Bubo virginianus Location: San Diego Museum of Natural History, Balboa Park, San Diego, CA Year: 2014 Merckdigitals catalogue number: 22-83986 Comments: Holocene

Bubo virginianus Great horned owl Location: United States National Museum of Natural History, Washington, DC Year: 2016 Merckdigitals catalogue number: 22-1740 Comments: Eocene

Bubo virginianus Great horned owl Location: United States National Museum of Natural History, Washington, DC Year: 2016 Merckdigitals catalogue number: 22-1741 Comments: Eocene

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