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National Audubon Society - During breeding season, male Red-winged Blackbirds aggressively defend their territories. They will chase other males out and attack nest predators, and will sometimes even go after much larger
Red-winged Blackbird | Audubon Field Guide
RED-WINGED BLACKBIRD – Birds of Nebraska – Online
Red-winged Blackbird
Bird of The Week: Red-winged Blackbird – Kern Audubon Society
Red-winged blackbird. Agelaius phœniceus vieill. 1. Male. 2. Female | Library of Congress
Red-winged Blackbirds Signal the Arrival of Spring | Vermont Center for Ecostudies
Red-winged Blackbird — Madison Audubon
The Real Harbingers Of Spring: Red-Winged Blackbirds | WUWM 89.7 FM - Milwaukee's NPR
Red-winged Blackbird - YouTube
Red-winged Blackbird - eBird
Weekly Bird: Red-Winged Blackbird – Be Your Own Birder
Audubon's Watercolors: The Complete Avian Collection, New-York Historical Society Edition Plate 67 Red Winged Blackbird
How to Identify a Red-Winged Blackbird
Red-winged blackbird | Florida Hikes
Red-winged Blackbird | EEK Wisconsin
Angry birds: Watch out for red-winged blackbirds this time of year
Enjoy the Red-Winged Blackbird Show
Education
Red-winged Blackbird | Oklahoma Department of Wildlife Conservation
The Glorious Red-winged Blackbirds - MCRCD
The Resounding Behaviors of the Red-winged Blackbird
Red-winged blackbird back from winter break
Red-winged Blackbird – Indiana Audubon Society
Get Ready for Red-Winged Blackbird Season - Birds and Blooms