THE SIGNIFICANCE OF CLUTCH-SIZE

[1] ALEXANDER WB, 1944, BRIT BIRDS, V38, P232

[2] Austin Oliver L., 1945, BIRD BANDING, V16, P21

[3] Baker E.C.S., 1932, NIDIFICATION BIRDS I, V1

[4] Baker E. C. S, 1942, CUCKOO PROBLEMS

[5] BANNERMAN D, UNPUB HIST BIRDS CAN

[6] BEEBE W, 1937, PHEASANTS THEIR LIVE, P214

[7] BENNETT LJ, 1938, BLUEWINGED TEAL ITS, P48

[8] BOXBERGER LV, 1941, BEITR Z FORTPF BIOL, V17, P211

[9] BOYD AW, 1935, BRIT BIRDS, V30, P98

[10] Collett R., 1921, NORGES FUGLE

[1] ALEXANDER WB, 1944, BRIT BIRDS, V38, P232

[2] Austin Oliver L., 1945, BIRD BANDING, V16, P21

[3] Baker E.C.S., 1932, NIDIFICATION BIRDS I, V1

[4] Baker E. C. S, 1942, CUCKOO PROBLEMS

[5] BANNERMAN D, UNPUB HIST BIRDS CAN

[6] BEEBE W, 1937, PHEASANTS THEIR LIVE, P214

[7] BENNETT LJ, 1938, BLUEWINGED TEAL ITS, P48

[8] BOXBERGER LV, 1941, BEITR Z FORTPF BIOL, V17, P211

[9] BOYD AW, 1935, BRIT BIRDS, V30, P98

[10] Collett R., 1921, NORGES FUGLE