Small Owls |
Northern Saw-whet Owl | Length: 7 – 8 inches Wingspan: 17-22 inches | Native | Mostly seen in winter, with sightings in northern and western Iowa in places like Effigy Mounds National Monument, Maquoketa Caves State Park, and Yellow River State Forest | Spring (March to April) |
Burrowing Owl | Length: 9-11 inches Wingspan: 21-24 inches | Native | Rarely nests in the state, often spotted in places with open areas like Neal Smith National Wildlife Refuge and Prairie City Wildlife Area | Late winter to early spring (February to August) |
Boreal Owl | Length: 8.7–10.6 inches Wingspan: 20–24 inches | Accidental | Vagrant that visits from other states often seen in places like Loess Hills State Forest and Yellow River State Forest | Spring to summer (March to July) |
Eastern Screech Owl | Length: 6-10 inches Wingspan: 18-24 inches | Native | Year-round residents who live in the woods of places like Ledges State Park, Brown’s Woods, and Water Works Park | From late winter to early spring (Between February and April) |
Large Owls |
Great Horned Owl | Length: 18-25 inches Wingspan: 40-60 inches | Native | Apex predator that lives in the woods of Iowa of Whiterock Conservancy, Hitchcock Nature Center and Cedar Rapids Urban Birding Trail | Late fall to early winter (November to January) |
Barn Owl | Length: 12-16 inches Wingspan: 42-43 inches | Native | Very rare in Iowa, sightings have occurred in open areas like Pleasant Creek State Recreation Area, Hawkeye Wildlife Area, and Des Moines River Greenbelt | Year-round, with peaks in late winter and spring (March to June) |
Northern Hawk-owl | Length: 14.2-17.6 inches Wingspan: 18 inches | Accidental | Occasional visitor to the state, to the point where an appearance could be considered a “lifetime event” | Late winter to early summer (mid-February to May) |
Barred Owl | Length: 16-24 inches Wingspan: 16-24 inches | Native | One of the most common species of owl in Iowa, with more sightings in the eastern part of the state in places like the Mines of Spain Recreation Area, Yellow River State Forest, and Cedar Rapids Urban Birding Trail | Late winter to Spring (February to April) |
Snowy Owl | Length: 20-27 inches Wingspan: 49-58 inches | Native | Uncommon, with most sightings in Iowa being the result of irruptions during some winters | Varies by region and based on prey availability (any time between May and September) |
Long-eared Owl | Length: 13-16 inches Wingspan: 24-40 inches | Native | Rare owl that can be seen occasionally nesting in the eastern part of the state in places like Yellow River State Forest and Effigy Mounds National Monument | Late winter to Spring (February to April) |
Short-eared Owl | Length: 13-17 inches Wingspan: 33-43 inches | Native | Very rare in Iowa, often nests on the ground in open areas like grasslands around Saylorville Lake, as well as in places like Union Grove State Park and Brushy Creek State Recreation Area | Varies, often in early spring (March to September) |
Great Gray Owl | Length: 24-33 inches Wingspan: 4-5 feet | Accidental | Occasional visitor from states like Minnesota | Spring to early summer (March to May) |