Featured Birds: Baltimore and Bullock's Orioles
Fun Facts - Bullock's Oriole - Wildlife Workshops
Photos - Bullock's Oriole - Icterus bullockii - Birds of the World
Baltimore Oriole Audubon Field Guide
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Orioles of Illinois: They build hanging pouch nests, visit backyard feeders and add color to springtime
BC Breeding Bird Atlas
Similar Species to Baltimore Oriole, All About Birds, Cornell Lab of Ornithology
One Species or Two? A Winner Emerges in the Great Oriole Debate
Baltimore Oriole
Revisiting the Baltimore–Bullock's Oriole hybrid zone reveals changing plumage colour in Bullock's Orioles
Bullock's Oriole (west)
Bullock's & Baltimore Orioles May Mix, But They Won't Merge
Meet the Bold and Beautiful Bullock's Oriole - Birds and Blooms
A genomic perspective on the classic hybrid zone between Baltimore and Bullock's Oriole – Avian Hybrids
Texan Bullock's Oriole