(Plate i.) does not appear to be a great deal of literature concerning the nocturnal habits of the Long-eared Owl (Asio o. otus), and, to a large extent, this can be understood as observations during the hours of darkness are difficult, and sometimes impossible. The Long-eared Owl is probably the most nocturnal of all our owls and is not often seen on the wing, either hunting or displaying, during...

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