Sooty Oystercatcher
Haematopus fuliginosus
Heavy-set shorebird with entirely black plumage and long, thick reddish bill. It has a distinctive fleshy red or yellow eye-ring and very thick pale-pink feet and legs. Exclusively coastal, where it can be found walking around on the edge of rocky headlands, on rock shelves, and along rocky beaches on small islands. Typically found in pairs or small groups. Its call is a loud slow whistled "chew", or when agitated a rapidly repeated "squeaky toy" call.
Identification
Measuring 42 to 52 cm (16.5 to 20.5 in) long with a bill length of 5–8 cm (2–3 in), the sooty oystercatcher has all black plumage, with pink-red legs and scarlet or orange-red bill and eyes. The heaviest of all oystercatchers, the sooty oystercatcher weighs up to 980 g (2.16 lb), averaging around 819 g (1.806 lb), with females larger and heavier in both subspecies. Males have shorter, thicker bills and females have longer, thinner bills. The 19% average difference in length is the most marked of any oystercatcher species. Immature birds have grey-brown legs, a bill tipped with brown, a browner cast to their plumage, and brown eyes. The bill, eyes and legs become red by the second year.
Taxonomy
John Gould described the sooty oystercatcher in 1845. Its species name is the Latin adjective fuliginosus, "sooty". Two subspecies are recognised, the nominate from the coastline of southern Australia and subspecies ophthalmicus from northern Australia. The southern subspecies is larger and heavier than the northern. The northern one, with a more yellowish eye ring, is found from the Kimberleys across the top of the country to Mackay in central Queensland. There is considerable overlap, as the southern subspecies has been found up to Cape York. Subspecies ophthalmicus has been thought distinctive enough to warrant species status and needs further investigation. Black redbill is a local name.
- Scientific name
- Haematopus fuliginosus
- Authority
- Gould, 1845
- Order
- Charadriiformes
- Family
- Haematopodidae
- Genus
- Haematopus
Range and habitat
Preferring rocky shores, the sooty oystercatcher is endemic to Australia. There are an estimated 11,500 individuals, 4000 of the nominate race and 7500 of the northern race. It is common around the Tasmanian coastline and Bass Strait islands. However it is declared Rare in South Australia and Queensland, Near Threatened in Victoria and Endangered in New South Wales.
- Migration
- Resident species
Conservation
- Population trend
- stable
Photos
Distribution
Bird Calls
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