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Censuses of penguin, blue-eyed shag, and southern giant petrel populations in the Antarctic Peninsula region, 1994–2000

Published online by Cambridge University Press:  27 October 2009

Ron Naveen ,
Steven C. Forrest ,
Rosemary G. Dagit ,
Louise K. Blight ,
Wayne Z. Trivelpiece  and
Susan G. Trivelpiece
Ron Naveen
Affiliation:
Oceanites Inc, PO Box 15259, Chevy Chase, MD 20825, USA
Steven C. Forrest
Affiliation:
9443 Cottonwood Road, Bozeman, MT 59718, USA
Rosemary G. Dagit
Affiliation:
PO Box 1454, Topanga, CA 90290, USA
Louise K. Blight
Affiliation:
Centre for Wildlife Ecology, Department of Biological Sciences, Simon Fraser University, Burnaby, BC V5A 1S6, Canada
Wayne Z. Trivelpiece
Affiliation:
Southwest Fisheries Center, National Marine Fisheries Service, PO Box 271, La Jolla, CA 92038, USA
Susan G. Trivelpiece
Affiliation:
Southwest Fisheries Center, National Marine Fisheries Service, PO Box 271, La Jolla, CA 92038, USA
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Abstract

This paper presents new census data and population estimates for penguins, blue-eyed shags, and southern giant petrels from 26 sites in the Antarctic Peninsula, collected by the Antarctic Site Inventory from 1994 to 2000. For nine sites, population data or estimates are published for the first time. The newly discovered gentoo penguin population of 215 nests at Herofna Island (63°24'S, 54°36'W) represents the easternmost location where this species has been found breeding in the Peninsula. All three pygoscelid penguins — gentoo, Adelie, and chinstrap — were found breeding at Gourdin Island (63° 12'S, 57° 18'W), the fourth known site where these species nest contiguously in the Peninsula. During the period, significant declines in nesting populations of blue-eyed shag were documented at three northwestern Peninsula locations.

Type
Articles
Information
Polar Record , Volume 36 , Issue 199 , October 2000 , pp. 323 - 334
Copyright
Copyright © Cambridge University Press 2000

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