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Growling Riflebird

From Opus

Alternative name: Eastern Riflebird

Ptiloris intercedens

Contents

[edit] Identification

Male 34cm (13¼ in), female 28cm (11 in). A fairly large Bird-of-paradise with a long, decurved bill and a short tail.

[edit] Male

  • Black plumage
  • Black filamental flank plumes
  • Iridescent blue green on its crown
  • Iridescent blue greenwide triangle-shaped breast shield
  • Black decurved bill
  • Yellow mouth
  • Dark brown iris
  • Black feet

[edit] Female

  • Smaller with slightly shorter bill
  • Brown and rufous above
  • Dirty white broad supercilium and malar stripe, finely flecked buff to brown
  • Whitish chin, throat flecked and spotted blackish-grey
  • Whitish underparts with fine buff to brown barring

Immature males are similar to females.

[edit] Similar species

Very similar in appearance to Magnificent Riflebird. Bill slightly shorter and voice different. Range's aren't known to overlap.

[edit] Distribution

Eastern Papua New Guinea southeast from about Wanuma (Adelbert Mountains).
Common in parts of its range.

[edit] Taxonomy

This is a monotypic species.
Formerly regarded as subspecies of Magnificent Riflebird.

[edit] Habitat

Evergreen forest, forest edge, sometimes in mangroves and timber plantations. Occurs from sea-level up to 700m, sometimes higher.

[edit] Behaviour

[edit] Diet

Feeds on fruits and animals (insects, spiders and myriapods).
Forages usually singly. Sometimes in groups in fruit trees, also with other Birds-of-paradise and Pitohuis.

[edit] Breeding

Breeding season variable across range. A polygynous species. The male advertises by singing from several traditional perches. The female builds and attends the nest alone.
The nest is made of large dead leaves and vine tendrils. Lays 1 - 2 eggs.

[edit] Movements

Presumably a resident species.

[edit] References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2017. The eBird/Clements checklist of birds of the world: v2017, with updates to August 2017. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Del Hoyo, J, A Elliott, and D Christie, eds. 2009. Handbook of the Birds of the World. Volume 14: Bush-shrikes to Old World Sparrows. Barcelona: Lynx Edicions. ISBN 978-8496553507

[edit] External Links

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