Norfolk Island Pacific Robin

Norfolk Island Pacific Robin
Norfolk Island Pacific Robin
On Norfolk Island, Australia
Conservation status
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Petroicidae
Genus: Petroica
Species: P. multicolor
Subspecies: P. m. multicolor
Trinomial name
Petroica multicolor multicolor
Gmelin, 1789
Synonyms
  • Muscicapa multicolor

The Norfolk Island Pacific Robin (Petroica multicolor multicolor), also known as the Norfolk Island Scarlet Robin or Norfolk Island Robin, is a small bird in the Australasian robin family, Petroicidae. It is the nominate subspecies of the Pacific Robin (Petroica multicolor) that is endemic to Norfolk Island, an Australian territory in the Tasman Sea, between Australia and New Zealand.

Contents

Taxonomy

The Pacific Robin used to be considered conspecific with the Scarlet Robin (Petroica boodang) of Australia, but was separated in 1999, with the Norfolk Island form part of the Pacific Robin assemblage.[1]

Description

The Norfolk Island Pacific Robin is similar to many other subspecies of the Pacific Robin, as well as to the Scarlet Robin. The adult male is distinctive, the upperparts being mainly black with a large white spot on the forehead, white bars on the wings and vestigial white tips to the tail. Its breast and upper belly are bright red with the lower belly white. The female is much duller in colouration, being mainly brown with a pinkish breast. Immatures are similar to females. It is the largest of the Pacific Robin subspecies, though slightly smaller than the Scarlet Robin.[1]

Distribution and habitat

The robin is restricted to Norfolk Island, where it is largely confined to the Mt Pitt section of the Norfolk Island National Park and remnant patches of forest nearby. It mainly inhabits the native subtropical rainforest, with lower densities in other wooded habitats. It prefers areas with a dense understorey and an open ground layer with deep, moist litter for foraging in.[2]

Behaviour

Feeding

The robin feeds on a wide variety of invertebrates.[3]

Status and conservation

After a period of decline to the 1980s, when the birds disappeared from many parts of the island, the population of the Norfolk Island Pacific Robin apparently stabilised and was estimated at 400-500 pairs in 1988 with little change in 1997. Ongoing threats include habitat degradation and predation by Black Rats and feral cats. It is considered Vulnerable because of the restricted size of the population and area of its distribution.[4] Ongoing conservation management actions include control of rats and feral cats to minimise predation as well as control of invasive weeds to minimise habitat degradation. It is proposed to reintroduce the robin to nearby Phillip Island when the regenerating habitat there is suitable.[5]

Notes

  1. ^ a b Schodde & Mason, p.388.
  2. ^ Higgins & Peter, pp.607-608.
  3. ^ Higgins & Peter, p.613.
  4. ^ Garnett & Crowley, pp.515 and 633.
  5. ^ Commonwealth of Australia, p.6.

References

  • Commonwealth of Australia. (2005). National Recovery Plan for the Norfolk Island Scarlet Robin, Petroica multicolor multicolor, and the Norfolk Island Golden Whistler Pachycephala pectoralis xanthoprocta. Department of the Environment and Heritage, Canberra. ISBN 0642551669 [1]
  • Garnett, Stephen T.; & Crowley, Gabriel M. (2000). The Action Plan for Australian Birds 2000. Environment Australia: Canberra. ISBN 0-642-54683-5 [2]
  • Higgins, P.J.; & Peter, J.M. (eds). (2003). Handbook of Australian, New Zealand and Antarctic Birds. Volume 6: Pardalotes to Shrike-thrushes. Oxford University Press: Melbourne. ISBN 0-19-553762-9
  • Schodde, R.; & Mason, I.J. (1999). The Directory of Australian Birds: Passerines. CSIRO Publishing: Melbourne. ISBN 0-643-06456-7

External links


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