2 AM to 2:30, a continual duet. Have heard Great Horned Owls several times lately. The abundance of rabbits in the last few years has brought them back. Last night the vigorous duet called to mind a fugue. The second caller began after just a few notes of the male, and her notes were much higher in pitch, with a last note that rose rather than fell. In previous years (43) here, I don't recall hearing a duet except during Jan-March.
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