ECOLOGY OF SEA BIRDS OF ALDABRA

[11] MORRIS RO, 1964, SEA SWALLOW, V16, P68

[12] Nelson J. G., 1968, GALAPAGOS ISLANDS BI

[13] BREEDING BEHAVIOUR OF RED-FOOTED BOOBY SULA SULA [J]. IBIS, 1969, 111 (03) : 357 - &

[14] Nicoll M. J., 1906, IBIS, V48, P666

[15] RIDLEY MW, 1958, EXPLOITATION SEABIRD

[16] Vesey-Fitzgerald D., 1941, IBIS, V5, P518

[17] WITHERBY HF, 1938, HANDBOOK BRITISH BIR

[11] MORRIS RO, 1964, SEA SWALLOW, V16, P68

[12] Nelson J. G., 1968, GALAPAGOS ISLANDS BI

[13] BREEDING BEHAVIOUR OF RED-FOOTED BOOBY SULA SULA [J]. IBIS, 1969, 111 (03) : 357 - &

[14] Nicoll M. J., 1906, IBIS, V48, P666

[15] RIDLEY MW, 1958, EXPLOITATION SEABIRD

[16] Vesey-Fitzgerald D., 1941, IBIS, V5, P518

[17] WITHERBY HF, 1938, HANDBOOK BRITISH BIR