Birds at Sumner-Heathcote estuary during 1948-49
Guy, G., 1950. Expand
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Birds at Tawharanui open sanctuaryFactsheet
Tawharanui Open Sanctuary Society Inc.. Expand
Birds New Zealand: National Wader Count and StudiesWebpage
The Ornithlogical Society of New Zealand. Expand
Birds observed in the Avon-Heathcote estuary during 1947-49Journal Paper
Guy, G., Notornis. Expand
Birds of Chatham Island and Pitt Island
Lindsay, C.J; Phillips, W.J; Watters, W.A., 1959, Notornis. Expand
Birds of Chatham Islands, Pts I and II
Fleming, C.A., 1939, Emu. Expand
Birds of the Avon and Heathcote rivers and estuary
Crossland, A., 1992. Expand
Birds of the Chatham Islands
Fleming, C.A., 1939, Emu. Expand
Birds of the Manawatu Estuary and the implications of the spread of Spartina cordgrassTechnical Report
Davies, L., 1988. Expand
Birds of the New Zealand shore
Fowler, J.A., 1972, Forest and Bird. Expand