Self Guided Grounds Tour - Longfellow House Washington's Headquarters National Historic Site (U.S. National Park Service)
Birds of Massachusetts Field Guide - Mass Audubon Shop
Massachusetts Check List · iNaturalist
Massachusetts Check List · iNaturalist
Blue Jay (Waltham MA Backyard Birds) · iNaturalist
EwA Guide to the Plants of the Fells (US) · iNaturalist
Eastern Bluebird (EwA Guide to the Birds of the Fells (Massachusetts, US)) · iNaturalist
Species Spotlight: Blue Jay
EwA Guide to the Plants of the Fells (US) · iNaturalist
Blue Jay - Animals of Northern New York
blue jay — Friday Feathered Feature — Madison Audubon
Blue Jay (EwA Guide to the Birds of the Fells (Massachusetts, US)) · iNaturalist
Blue Jay - Door County Pulse
Blue Jay - Institute of Food and Agricultural Sciences - University of Florida, Institute of Food and Agricultural Sciences - UF/IFAS