Information about Derbyan Parakeet
| Derbyan Parakeet | ||||||||||||||
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| Psittacula derbiana (Fraser, 1852) | ||||||||||||||
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The Derbyan parakeet, Psittacula derbiana is confined to small pocket of moist evergreen forest in the hills of the Indian state of Arunachal Pradesh and the Chinese province on its border. The species suffers from poaching for the illegal wildlife trade and fetches a high price in the black market.
It is perhaps the rarest of all species of Psittacula in mainland Asia.
The name of this bird commemorates Edward Stanley, 13th Earl of Derby.
Derbyan parakeets average 20 inches (50 centimeters) in length and are sexually dimorphic.
This species has a mostly green plumage on the dorsal side, black lores and lower cheeks, a bluish-purple crown and pale yellow eyes. The throat, breast, abdomen and under-wing coverts are greyish blue to lavender. The thighs and vent area are yellowish green with blue edging on some of the feathers. The tail feathers are shades of green, some edged with blue.
Male birds have a red upper mandible with a yellow tip, while the lower mandible is black. The females have an all-black beak.
Immature Derbyan Parakeets are easily distinguished from adults because they are duller in color, have green crowns, and orange-red beaks. Also, their eyes are dark, and do not lighten until they reach maturity between two and three years of age.
Derbyan parakeets feed on fruits, berries, seeds, and leaf buds, occasionally foraging in gardens and fields.
Breeding season usually begins between April and June. The female lays a clutch of two to four eggs (36.1x27.7 mm (1.42 x 1.09 ins) in nest holes of trees. The young hatch after an incubation period of about 23 days and will fledge after 8 to 9 weeks.
References
- BirdLife International (2004). Psittacula derbiana. 2006 IUCN Red List of Threatened Species. IUCN 2006. Retrieved on 11 May 2006. Database entry includes justification for why this species is of least concern
External links
- Derbyan pictures and links
- BirdLife Species Factsheet
- http://animal-world.com/encyclo/birds/parakeets/DerbyanParakeet.php#
- http://home.wanadoo.nl/psittaculaworld/PsittaculaWorld.htm
- http://www.ruffledfeathersaviary.com/derbyan_photos.htm
conservation status of a species is an indicator of the likelihood of that species continuing to survive either in the present day or the future. Many factors are taken into account when assessing the conservation status of a species: not simply the number remaining, but the
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Least Concern (LC) is an IUCN category assigned to extant species or lower taxa which have been evaluated but do not qualify for any other category. As such they do not qualify as threatened, nor Near Threatened, nor (prior to 2001) Conservation Dependent.
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Scientific classification or biological classification is a method by which biologists group and categorize species of organisms. Scientific classification also can be called scientific taxonomy, but should be distinguished from folk taxonomy, which lacks scientific basis.
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Chordata
Bateson, 1885
Typical Classes
See below
Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates.
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Bateson, 1885
Typical Classes
See below
Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates.
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Aves
Linnaeus, 1758
Orders
About two dozen - see section below
Birds (class Aves) are bipedal, warm-blooded, egg-laying vertebrate animals.
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Linnaeus, 1758
Orders
About two dozen - see section below
Birds (class Aves) are bipedal, warm-blooded, egg-laying vertebrate animals.
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Psittaciformes
Wagler, 1830
Systematics
(but see below)
Family Cacatuidae (cockatoos)
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Wagler, 1830
Systematics
(but see below)
Family Cacatuidae (cockatoos)
- Subfamily Microglossinae (Palm Cockatoo)
- Subfamily Calyptorhynchinae (dark cockatoos)
- Subfamily Cacatuinae (white cockatoos)
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Psittacidae
Illiger, 1811
Subfamily
Loriinae (lories and lorikeets)
Psittacinae (typical parrots and allies)
The true parrots are about 330 species of bird belonging to the Psittacidae
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Illiger, 1811
Subfamily
Loriinae (lories and lorikeets)
Psittacinae (typical parrots and allies)
The true parrots are about 330 species of bird belonging to the Psittacidae
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Psittacula
Cuvier, 1800
Species
See text
Members of the parrot genus Psittacula or Afro-Asian Ringnecked parakeets as they are commonly known in aviculture originates found from Africa to South-East Asia.
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Cuvier, 1800
Species
See text
Members of the parrot genus Psittacula or Afro-Asian Ringnecked parakeets as they are commonly known in aviculture originates found from Africa to South-East Asia.
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binomial nomenclature is the formal system of naming species. The system is also called binominal nomenclature (particularly in zoological circles), binary nomenclature (particularly in botanical circles), or the binomial classification system.
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Louis Fraser (1810 - 1866) was a British zoologist and collector. In his early years Fraser was Curator of the Museum of the Zoological Society of London He participated in the notorious Niger River Expedition as the African Civilization Society's scientist on Allen and Thomson's
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Coordinates:
Arunachal Pradesh pronunciation (Hindi:
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Arunachal Pradesh pronunciation (Hindi:
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Psittacula
Cuvier, 1800
Species
See text
Members of the parrot genus Psittacula or Afro-Asian Ringnecked parakeets as they are commonly known in aviculture originates found from Africa to South-East Asia.
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Cuvier, 1800
Species
See text
Members of the parrot genus Psittacula or Afro-Asian Ringnecked parakeets as they are commonly known in aviculture originates found from Africa to South-East Asia.
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Edward Smith-Stanley, 13th Earl of Derby KG (21 April 1775 – 30 June 1851), styled Lord Stanley from 1776 to 1832 and known as The Lord Stanley from 1832 to 1834, was an English politician, landowner, builder, farmer, art collector and naturalist.
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IUCN Red List of Threatened Species (also known as the IUCN Red List or Red Data List), created in 1963, is the world's most comprehensive inventory of the global conservation status of plant and animal species.
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IUCN
International Organization
Founded October 1948, Fontainebleau, France
Headquarters Rue Mauverney 28, 1196 Gland, Switzerland
Key people Mr Valli Moosa
Ms Julia Marton-Lefèvre
Industry Natural resource conservation
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International Organization
Founded October 1948, Fontainebleau, France
Headquarters Rue Mauverney 28, 1196 Gland, Switzerland
Key people Mr Valli Moosa
Ms Julia Marton-Lefèvre
Industry Natural resource conservation
..... Click the link for more information.
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