Breeding Frequency in the Albatrosses Diomedea melanophris and D. chrysostoma

摘要: IT is now generally accepted that the two great albatrosses D. exulans and epomophora take about twelve months to rear their young, if successful breed only in alternate years1–4, but breeding cycles of smaller species are not so prolonged there has been less reason suppose annual rule. Recent studies at Bird Island, South Georgia (54° 00′ S., 38° 02′ W.) (ref. 5), however, indicate although black-browed albatross melanophris breeds annually, grey-headed chrysostoma frequently.