French: Mouette de Hartlaub German: Hartlaubmöwe Spanish: Gaviota plateada surafricana
Other common names:
Larus (Gavia) Hartlaubii
Cape of Good Hope, South Africa
Coastal SW Africa, mainly from C Namibia (Swakopmund) to SW South Africa (Dyer I, in SW Western Cape). Has nested exceptionally east to Port Elizabeth, E Cape Province#R.
37–39 cm; 235–340 g; wingspan 89–92 cm. Two-year gull. The breeding adult is white-bodied, with grey mantle; often with a suggestion of a faint... read more
Quite noisy. Calls include a long series of grating screams, “krreeh..krreeh..krreeh..”, a more... read more
Coasts, harbours, wet lawns, rubbish dumps and slaughterhouses. Breeds on low, flat islands,... read more
Food and feeding
Marine invertebrates, small fish, earthworms, insects, offal and refuse. Much of its natural diet comprises invertebrates, such as kelp... read more
The breeding season differs between locations. Laying variously listed as February or April to September, or peaking April–June. It... read more
Non-migratory. Most ringing recoveries are within 30 km of the ringing site; the longest recovery... read more
Status and conservation
Not globally threatened (Least Concern). The total population was estimated at around 30,000 birds in 2001 and has since shown an increasing trend. An earlier estimate, in... read more
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