Abstract
Survival rates of released rehabilitated birds are rarely known. This paper describes the winter release of two Merlins (Falco columbarius), treated for ulnar fractures, in Saskatoon, Sask. Telemetry was used to maintain contact with one of these birds during the postrelease period, while the progress of the second was monitored through yearly nest surveys. Successful release is defined for Merlins as survival for at least 4 weeks. The first bird survived for 51 days, while the second lived at least 2 years and produced 10 young.

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