Barn Owl 1933

Barn-Owl-1933

Barn Owl 1948

Barn-Owl-1948

Golden Eagle 1939

Golden Eagle 1939

Goshawk Head 1966

Goshawk Head 1966

Imperial Eagle 1957

Imperial Eagle 1957

Marsh Harrier 1942

Marsh Harrier 1942

Montagu Harrier 1938

Montagu Harrier 1938

Nightjar Hovering 1949

Nightjar Hovering 1949

Peregrine 1953

Peregrine 1953

Shoveler 1941

Shoveler 1941

Tawny Owl 1938

Tawny Owl 1938

Whinchat 1948

Whinchat 1948

Avocet 1950

Avocet 1950

Barn Owl 1948

Barn-Owl 1948

Black Redstart 1951

Black Redstart 1951

Golden Oriole 1952

Golden Oriole 1952

Hobby 1946

Hobby 1946

Little Owl 1949

Little Owl 1949

Long-eared Owl 1940

Long-eared Owl 1940

Long-tailed Tit 1929

Long-tailed Tit 1929

Mary at the Zoo 1929

Mary at the Zoo 1929

Nightingale 1948

Nightingale 1948

Oystercatcher 1948

Oystercatcher 1948

Ring-Ouzel 1944

Ring-Ouzel 1944

Tawny Owl 1943

Tawny Owl 1943

Wryneck 1945

Wryneck 1945