Maybe he's a tonsured monk blackbird?
Red-winged blackbird, Rondeau Provincial park, June 7, 2023. Agelaius phoeniceus. The oldest recorded Red-winged Blackbird was 15 years, 9 months old. It was banded in New Jersey in 1967, and found alive, but injured in Michigan in 1983. It was able to be released after recovering from its injuries.