Owls: the silent fliers.
Toronto: Key Porter Books, (2001. revised edition). Octavo, paperback, colour photographs, maps.
Describes North American owls and includes for each species a measurement chart and range map.
Toronto: Key Porter Books, (2001. revised edition). Octavo, paperback, colour photographs, maps.
Describes North American owls and includes for each species a measurement chart and range map.