Standardwing bird-of-paradise

The standardwing bird-of-paradise (Semioptera wallacii) also known as Wallace's standardwing or as the standardwing is a species of bird-of-paradise. It is the only member in monotypic genus Semioptera.

Standardwing bird-of-paradise

Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Paradisaeidae
Genus: Semioptera
Gray, 1859
Species:
S. wallacii
Binomial name
Semioptera wallacii

Etymology

George Robert Gray of the British Museum named this species in honour of Alfred Russel Wallace, British naturalist and author of The Malay Archipelago, who in 1858 was the first European to describe the bird. The generic name Semioptera is composed of semeion for a flag or military standard and ptera for wings.

Subspecies and taxonomy

The standardwing bird-of-paradises' closest relatives are the superb birds-of-paradise (Lophorina species), and actually evolved after the Drepanornis sicklebills, making them one of their other closest relatives. It has two subspecies:

  • Semioptera wallacii halmaherae Salvadori, 1881
  • Semioptera wallacii wallacii Gray, 1859

Conservation status

A common species in its limited habitat range, the standardwing bird-of-paradise is evaluated as being of least concern on the IUCN Red List of Threatened Species[1] due to its increasingly fragmented habitat. It is listed on Appendix II of CITES.

Description
Semioptera wallacii wallacii male. Museum specimen

The standardwing bird-of-paradise is medium-sized, approximately 28 cm long, and olive brown. The male has a gloss violet-and-lilac coloured crown and emerald-green breast shield. Its most striking features are two pairs of long white plumes coming out from the bend of the wing that can be raised or lowered at the bird's will. The unadorned olive-brown female is smaller but has a longer tail than the male.

Behaviour and ecology

The males are polygamous. They gather and perform a spectacular aerial display, "parachuting" with wings and its vivid green breast shield spread, and the wing "standards" fluttering above its back.

Its diet consists mainly of insects, arthropods and fruits.

Distribution

The standardwing is endemic to Northern Maluku in eastern Indonesia and is the westernmost species of the true birds-of-paradise. It can be found on the islands of Halmahera and Bacan in lowland tropical rainforests and hills, and occasionally in woodland.

History

The first introduction of a bird-of-paradise to Europe was a result of Ferdinand Magellan's first circumnavigation of the earth. When the voyagers were at Tidore in December 1521, they were offered a gift of beautiful dead birds by the ruler of Bacan to give to the King of Spain. Based on the circumstances and description of the birds in Antonio Pigafetta's account of the voyage, they were likely standardwings. An alternate account by Maximilianus Transylvanus introduced the term manucodiata (a corruption of the Malay manute-dewata; "bird of the gods"), used for birds-of-paradise up to the 19th century.

Following its original discovery in 1858, the standardwing bird-of-paradise was not seen again for nearly 60 years, and then only a handful of times until 1953. No further sightings were reported until the British ornithologist David Bishop rediscovered the species in 1983 and began making the first detailed observations of its behaviour.[2]

The standardwing bird-of-paradise was filmed for the first time in 1986 for the BBC nature documentary Birds for All Seasons, when a cameraman Michael W. Richards stationed in the canopy captured footage of a male bird displaying.[2] Ten years later, David Attenborough observed a mass display of dozens of males for the BBC Natural World film "Attenborough in Paradise", leading him to speculate that the reason for their extravagant behaviour is to establish the hierarchy for breeding rights, rather than to directly impress the females.[3]

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References
  1. BirdLife International. 2017. Semioptera wallacii. The IUCN Red List of Threatened Species 2017: e.T22706140A118483106. https://dx.doi.org/10.2305/IUCN.UK.2017-3.RLTS.T22706140A118483106.en. Downloaded 1 January 2019.
  2. Produced by Jeffery Boswall and narrated by Magnus Magnusson (1986-09-28). "Everlasting Heat". Birds for All Seasons. BBC. BBC Two.
  3. Written and presented by David Attenborough (1996-04-08). "Attenborough in Paradise". Natural World. BBC. BBC Two.
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