Aspects of breeding biology of the pied shag (Phalacrocorax varius) at Makara Beach, Wellington, New Zealand
Powlesland, R.G.P; Sharp, S; Smith, A., 2008, Notornis. Expand
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- Author: Powlesland, R.G
Beach patrol schemeBook
Powlesland, R.G., 1990, A flying start. Expand
Conservation status of New Zealand birds, 2012
Robertson, H.A; Dowding, J.E; Elliot, G.P; Hitchmough, A; Miskelly, C.M; O'Donnell, C.F.J; Powlesland, R.G; Sagar, P.M; Scofield, R.P; Taylor, G.A., 2013, New Zealand threat classification series 4. Expand
Conservation translocations of New Zealand birds, 1863-2012Journal Paper
Miskelly, C.M; Powlesland, R.G., 2013, Notornis. Expand
Mortality, distribution, numbers and conservation of the Chatham Island Pigeon (Hemiphaga novaeseelandiae chatamensis)Journal Paper
Grant, A.D; Powlesland, R.G; Dilks, P.J; Flux, I.A; Tisdall, C.J., 1997, Journal of the ornithological society of New Zealand. Expand
OSNZ Beach Patrol Scheme: information and instructionsJournal Paper
Powlesland, R.G.; Imber, M.J., 1988, Notornis. Expand
Seabirds found dead on New Zealand beaches 1988, and a review of Puffinus species recoveries, 1943 to 1988Journal Paper
Powlesland, R.G; Pickard, C.R., 1992, Notornis. Expand
Seabirds found dead on New Zealand beaches in 1984 and a review of fulmar recoveries since 1960
Powlesland, R.G., 1986, Notornis. Expand
Seabirds found dead on New Zealand beaches in 1989, and a review of Pelecanoides urinatrix, Phaethon rubricauda, P. lepturus and Fregata ariel recoveries, 1943 to 1988Journal Paper
Powlesland, R.G.; Pickard, C.R.; Powlesland, M.H, 1992, Notornis. Expand
Seabirds found dead on New Zealand beaches in 1990, and a review of Phalacrocorax, Leucocarbo, and Stictocarbo species recoveries, 1943 to 1990
Powlesland, R.G; Powlesland, M.H; Pickard, C.R., 1993, Notornis. Expand