Voice
Usually silent at sea. Churring, clucking and cackling calls mainly at breeding sites. Also clicking of bills during bill-fencing and bill-stropping.
Antarctic Petrel (Thalassoica antarctica) [XC28033]
by Stein \u00d8. Nilsen from Svarthamaren, Queen Maud Land, Antarctica (call)
Antarctic Petrel (Thalassoica antarctica) [XC771934]
by from Svarthamaren, Dronning Maud Land, Antarctica (call, song)
Breeding Season (Guide)
Mid November - min-March, on coasts of Antarctica and sub-Antarctic Islands.
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Nest
A shallow depression in rock, lined with gravel, usually on broken but fairly level surfaces in snow-free areas, and in clefts, crevices and on ledges on sloping rocky cliffs. In pairs, in colonies.
Eggs (Guide)
1; matt, white, with a rough surface; elonagte-oval; about 70 x 48 mm. Incubation: 45 - 48 days; probably by both sexes. The eggs is incubated on the top of the feet.
Young
Semi-altricial, nidicolous. Fledge in about 37 - 45 days.
Subspecies
No subspecies.
Similar Species
Cape Petrel (Daption capense) which has a different pattern above, including boldy chequered upper wings, and scalloped underwing primaries, and has a brownish-black to dark slate-grey head.
References
See References.
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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