Year-round Bird Watching in Ohio
Over(bird)watch Journal of Geek Studies
Ohio Birds and Biodiversity: 2022
Blue Jay (Southeastern) (Cyanocitta cristata semplei) - North
Nature Genetics play role in blue jay's lack of blue
Just How Many Blue Jays Are There?
Tricky Species: Blue Jays, Killdeer, Viceroy Butterflies
Molting Cardinals – Seasons Flow
File:Cyanocitta cristata (blue jay) (Newark, Ohio, USA) 10.jpg
Blue jay - Wikipedia
Statewide population of blue jays to be about 520,000 birds
Ohio Birds and Biodiversity: 2022