Kestrel.
Grossman, M.L. and J. Hamlet, photos by S. Grossman 1964. Birds of Prey of the World. Clarkson N. Potter, Inc. New York. unnumbered plate following p. 160
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Kestrel.
Grossman, M.L. and J. Hamlet, photos by S. Grossman 1964. Birds of Prey of the World. Clarkson N. Potter, Inc. New York. unnumbered plate following p. 160