Voice
At nest male makes several loud greeting calls, such as, 'rick-tick-tick-tick' when landing. 't-t-t' before leaving nest and 'quog-wog-wog-wog' on the nest.
Nest
Nest of sticks and debris, lined with green eucalypt leaves and the bird's quill feathers, placed on a horizontal branch, in a tree, a mangrove, on a bush or man-made platforms at sea. Breeds in colonies.
Eggs (Guide)
2 - 5, usually 3; limy white with green tinge; oval; about 60 x 38 mm. Incubation: about 30 days; by both sexes.
Young
Fledge in about 50 days.
Subspecies
The following 2 subspecies are recognised:
varius (Gmelin, 1789) - New Zealand.
hypoleucos (von Brandt, JF, 1837) - Australia.
Similar Species
Black-faced Cormorant (Phalacrocorax fuscescens), which has a black bill and facial skin. Little Pied Cormorant (Microcarbo melanoleucos), which is much smaller, and has a stubbier bill, yellow on its sides, a long white eyebrow and no flank mark.
Compare Images
The Field Guide to the Birds of Australia Pizzey, G., and Knight, E., 1997, Angus & Robertson, Sydney ISBN 0 207 19691 5
Field Guide to Australian Birds Morecombe, M., 2000, Steve Parish Publishing Pty Ltd. ISBN 1 876282 10 X
Field Guide to the Birds of Australia Simpson, K., and Day, N., 1999, 6th Edition, Viking ISBN 0 670 87918 5
Reader's Digest Complete Book of Australian Birds 1988, 2nd Edition, Reader's Digest ISBN 0 949819 99 9
What Bird is That? 1984, Revised Edition, Angus & Robertson, Sydney ISBN 0 207 14846 5
Handbook of Australian, New Zealand & Antarctic Birds 1990 - , Oxford University Press, Melbourne ISBN 0 19 553244 9
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