6-7 weeks
Red-shouldered Hawk Life History, All About Birds, Cornell Lab of Ornithology
Whether wheeling over a swamp forest or whistling plaintively from a riverine park, a Red-shouldered Hawk is typically a sign of tall woods and water. It’s one of our most distinctively marked common hawks, with barred reddish-peachy underparts and a strongly banded tail. In flight, translucent...www.allaboutbirds.org
This source says as little as 5 weeks.
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