Common Nighthawk (Chordeiles minor) – Columbus Audubon

Ohio Birds and Biodiversity: Nest boxes, game laws bring wood duck back from brink of extinction

Common Nighthawk - Montana Field Guide

Ohio Birds and Biodiversity: Juvenile Common Nighthawks

Creature Feature – Columbus Audubon

Ohio Birds and Biodiversity: Barred owlets

Ohio Birds and Biodiversity: Buckeyes, and birds

Ohio Birds and Biodiversity: Nature: Teeny-tiny golden-crowned kinglets are small, yes, but tough as nails

PDF) Winter abundance of Northern Harriers, Short-eared Owls, and other raptors on reclaimed grasslands in west-central Kentucky.

Remote estimation of overwintering home ranges in an elusive, migratory nocturnal bird - Tonra - 2019 - Ecology and Evolution - Wiley Online Library

Ohio Birds and Biodiversity: Barred owlets

Ohio Birds and Biodiversity: Nature: Northern flicker a showy, mesmerizing bird