Breeding distribution, population size and conservation of the Greyheaded Gull Larus cirrocephalus in southern Africa

被引：6

作者：

Brooke, RK ^{[1
]}

Allan, DG ^{[1
]}

Cooper, J ^{[1
]}

Cyrus, DP ^{[1
]}

Dean, WRJ ^{[1
]}

Dyer, BM ^{[1
]}

Martin, AP ^{[1
]}

Taylor, RH ^{[1
]}

机构：

[1] Univ Cape Town, Percy Fitzpatrick Inst African Ornithol, ZA-7701 Rondebosch, South Africa

来源：

OSTRICH | 1999年 / 70卷 / 3-4期

关键词：

D O I：

10.1080/00306525.1999.9634229

中图分类号：

Q95 [动物学];

学科分类号：

071002 ;

摘要：

The Greyheaded Gull Larus cirrocephalus occurs throughout southern Africa, both coastally and inland, and has bred at one time or another at 67 known localities since the 1860s. Most of these sites have been occupied by small numbers of birds, even single pairs, and for only one or a few years. The two principal breeding areas are the East Rand in Gauteng and Lake St Lucia in KwaZulu-Natal, both in South Africa. The next most important sites are Walvis Bay, Namibia and Lake Ngami, Botswana. The total southern African breeding population is estimated as about 2000 pairs. The Greyheaded Gull is not a threatened species in southern Africa, with 27 breeding sites supporting more than half the breeding population within formally conserved areas.

引用

页码：157 / 163

页数：7

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