| Chestnut-quilled rock pigeon | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Columbiformes |
| Family: | Columbidae |
| Genus: | Petrophassa |
| Species: | P. rufipennis
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| Binomial name | |
| Petrophassa rufipennis Collett, 1898
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The Chestnut-quilled Rock Pigeon (Petrophassa rufipennis) is a dark sooty brown pigeon with a distinctive bright chestnut patch on its wing visible in flight. It has distinctive pale lines across its face curving above and below its eye.[2] [3] A species of bird in the family Columbidae, it is very similar in behaviour and habitat to the White-quilled Rock-pigeon but it is only found on rocky escarpments in western Arnhem Land in the Northern Territory, Australia.[2]
Taxonomy and systematics
editPetrophassa rufipennis Collett, 1898. This species was first observed by Leichhardt who saw this bird near the head of the South Alligator River, on the 11th November, 1845 while on a journey to Port Essington but no specimen was collected[4]. The species was named and described by Collett using a specimen from the same locality in 1898.[5][6]
The common name Rock-pigeon is a reference to the association of the genus to tropical sandstone escarpments. The genus name derives from Greek words: petros meaning rock (its preferred habitat) and phassa a wild pigeon giving Petrophassa.[7]The species name comes from the Latin rufus meaning red and penna meaning feather hence pennis meaning winged descriptive of the large chestnut red patch on its wing.[7]
Description
editThe Chestnut-quilled Rock Pigeon is a dark sooty brown pigeon with a distinctive bright chestnut patch on its wing visible in flight. This patch is often hidden in the folded wing.
The pigeon has a wingspan of 138 to 155mm, a bill measuring 11.0 to 14.5mm and weighs between 130 and 178 grams.[2]
It has black lores and pale spots on the head and neck, chin and throat is whitish.[2][3]Fine grey lines extend around the eye "extending from above bill and turning over and behind eye; the other from base of bill passing below eye and beneath ear-coverts."[2]: 296
Behaviour and ecology
editThe pigeon is most often seen when flushed, in pairs or small groups, from a rocky ledge. They fly with loud clapping wing-beats often straight up from a gorge.[8][3] This typical behaviour was observed by Leichardt in the first recorded observation of the species:
A new species of rock pigeon (Petrophassa, Gould) with a dark brown body, primaries light brown without any white, and the tail feathers rather worn, lived in pairs and small flocks like Geophaps, and flew out of the shade of overhanging rocks, or from the moist wells which the natives had dug in the bed of the creek, around which they clustered like flies round a drop of syrup.[4]: 476
The pigeon's Northern Territory Conservation Status is listed as Near Threatened (NT)[8] while the IUCN Red List identifies the pigeon's conservation status as Least Concern (LC).[1]
The Chestnut-quilled Rock-pigeon shares a distinctive jizz and habitat type with the White-quilled Rock-pigeon, but are limited in extent to the sandstone country of Arnhem Land and Kakadu.[8]
References
edit- ^ a b BirdLife International (2012). "Petrophassa rufipennis". IUCN Red List of Threatened Species. 2012. Retrieved 26 November 2013.
- ^ a b c d e Menkhorst, Peter; Rogers, Danny; Clarke, Rohan; Davies, Jeff; Marsack, Peter; Franklin, Kim (2017). The Australian Bird Guide. Clayton, Vic: CSIRO Publishing. pp. 296–297. ISBN 978-0643097544.
- ^ a b c Slater, Peter; Slater, Pat; Slater, Raoul (2009). The Slater Field Guide to Australian Birds (2nd ed.). London, Sydney, Auckland: Reed New Holland. pp. 210–211. ISBN 9781877069635.
- ^ a b Leichhardt, Friedrich Wilhelm (1847). Journal of an Overland Expedition in Australia from Moreton Bay to Port Essington during the years 1844-45. London: Svo. p. 476.
- ^ Collett, Robert (1898). "On Some Pigeons and Parrots from North and North-west Australia (collected by Dr. Knut Dahl, 1894-5)". Proceedings of the Zoological Society of London: 353–357.
- ^ Mathews, Gregory M.; Keulemans, J. G.; Grönvold, Henrik; Goodchild, H.; Lodge, George Edward; Green, Roland; Co, Witherby & (1910). The Birds of Australia. Vol. v.1 (1910-1911). London: Witherby & Co.
- ^ a b Fraser, Ian; Gray, Jeannie (2019). Australian Bird Names: Origins and Meanings. Clayton South, Vic: CSIRO Publishing. pp. 31–32, 37. ISBN 9781486311637.
- ^ a b c Australia, Atlas of Living. "Species: Petrophassa rufipennis (Chestnut-Quilled Rock-Pigeon)". bie.ala.org.au. Retrieved 2020-04-13.
Category:Petrophassa Category:Birds of the Northern Territory Category:Birds described in 1898 Category:Taxonomy articles created by Polbot
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