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Red-capped parrot
The red-capped parrot (Purpureicephalus spurius) is a species of broad-tailed parrot native to southwestern Australia. It was described by Heinrich Kuhl in 1820, with no subspecies recognised. It has long been classified in its own genus owing to its distinctive elongated beak, though genetic analysis shows that it lies within the lineage of the Psephotellus parrots and that its closest relative is the mulga parrot (Psephotellus varius). Not easily confused with other parrot species, it has a bright crimson crown, green-yellow cheeks, and a distinctive long bill. The wings, back, and long tail are dark green, and the underparts are purple-blue. The adult female is very similar though sometimes slightly duller than the male; her key distinguishing feature is a white stripe on the wing under-surface. Juveniles are predominantly green.
Found in woodland and open savannah country, the red-capped parrot is predominantly herbivorous, consuming seeds, particularly of eucalypts, as well as flowers and berries, but insects are occasionally eaten. Nesting takes place in tree hollows, generally of older large trees. Although the red-capped parrot has been shot as a pest and has been affected by land clearing, the population is growing and the species is considered of least-concern by the International Union for Conservation of Nature (IUCN). It has a reputation of being anxious and difficult to breed in captivity.
The species was described in 1820 by Heinrich Kuhl, as Psittacus spurius, from an immature specimen collected at Albany, Western Australia by the Baudin expedition (1801–1803) and deposited at the National Museum of Natural History in Paris. The specific epithet spurius is the Latin adjective meaning "illegitimate", and refers to the markedly different adult and immature plumages (hence adults and young appear unrelated). Irish naturalist Nicholas Aylward Vigors named the species Platycercus pileatus in 1830 from an adult male specimen that had been acquired by the Zoological Society of London. English artist Edward Lear illustrated the live specimen in his 1830 work Illustrations of the Family of Psittacidae, or Parrots. The species was placed in the monotypic genus Purpureicephalus—as P. pileatus—by French biologist Charles Lucien Bonaparte in 1854. The generic name is an amalgam of the Latin purpureus "purple", and the Ancient Greek kephalé "head". In this generic combination, the current name is translated as "bastard red-head". The species name pileatus was generally used until German naturalist Otto Finsch followed Kuhl in using the specific name spurius, calling it Platycercus spurius in 1868. His countryman Anton Reichenow classified Purpureicephalus as a subgenus of Platycercus before placing it in the genus Porphyreicephalus (later corrected to Porphyrocephalus), until 1912, when Australian amateur ornithologist Gregory Mathews re-established the genus as Purpureicephalus. The red-capped parrot's elongated bill and its unusual coloration—lack of cheek patches compared with Platycercus—are the main reasons for its placement in its own genus.
No subspecies are recognised currently. Mathews tentatively described a subspecies carteri in 1915 from a specimen collected at Broomehill on the basis of darker upperparts and greener cheeks; it was not considered distinct by later authors. There is no known geographical variation; five birds from Esperance had smaller bills and tarsi than individuals from elsewhere in its range, but the sample was too small to draw any conclusions.
The red-capped parrot is related to other broad-tailed parrots, but relationships within the group had been unclear. In 1938, Australian ornithologist Dominic Serventy proposed that it was the sole survivor of a lineage of eastern Australian origin, with no close living relatives. In 1955, British evolutionary biologist Arthur Cain proposed that the eastern lineage had vanished after being outcompeted by the crimson rosella (Platycercus elegans), and that its closest relative was the horned parakeet (Eunymphicus cornutus) of New Caledonia, which he concluded had adopted a much greener plumage of a wetter climate. A 2011 genetic study including nuclear and mitochondrial DNA found that the red-capped parrot was closely related to the mulga parrot (Psephotellus varius), the two lineages having diverged in the Miocene. The combined lineage itself diverging from one giving rise to the hooded parrot (Psephotellus dissimilis) and golden-shouldered parrot (Psephotellus chrysopterygius).
"Red-capped parrot" has been designated the official name by the International Ornithologists' Union (IOC). English ornithologist John Gould used the name "red-capped parakeet" in 1848 based on Vigors' scientific name, which also inspired the old avicultural term "pileated parrot". It has also been called "western king parrot" to distinguish it from the Australian king parrot (Alisterus scapularis) occurring in the east, "purple-crowned parrot", "grey parrot", or "hookbill" for the distinctive upper mandible. The name "pileated parakeet" potentially causes confusion among aviarists with the South American pileated parrot (Pionopsitta pileata). Gould also reported "blue parrot" as an early colonial name. The name "king parrot" has persisted in Western Australia, English naturalist W. B. Alexander commenting that it was always known by this name in a field note in 1917, Pizzey reiterated this in a 2012 birding guide. Names in the Nyungar language, spoken by people of the southwest region, have been recorded at: Perth, Djar-rail-bur-tong and Djarrybarldung; King George Sound, Jul-u-up; Stirling Range, Chelyup; and Southwest, Djalyup. A recommended orthography and pronunciation list of Nyungar names has proposed daryl [char'rill], djarrailboordang [cha'rail'bore'dang], and djayop [cha'awp].
The red-capped parrot has a long bill and bright, clear patterned plumage, variously described as magnificent, gaudy, or clownishly coloured. Measuring 34–38 cm (13.5–15 in) in length with a 42–48 cm (16.5–19 in) wingspan, and weighing 105–125 g (3.7–4.4 oz), an adult red-capped parrot is a distinctive and easily recognised medium-sized parrot. The adult male has a crimson forehead and crown, which extends from the gape or base of the lower mandible through the eye and grey-brown lores. Its hindneck and cheeks are green, and its ear coverts are more yellow-green. In March and April, the crown feathers and ear coverts of birds with new plumage can have fine black edging. The feathers of the head, back and underparts, have grey bases that are generally hidden. The upperparts, including the wings, are dark green, the rump yellow-green, and the tail is green with a dark blue tip. The underparts are purplish-blue, the flanks green and red, and the iris dark brown with a dark grey eye ring. The bill is pale blue-grey with a dark grey tip, its upper mandible elongated to a slender hook.
The colouring of the female is similar to, though slightly duller than that of the male; the red of its plumage is not as intense and its red flanks are spotted with some green and yellow. Its breast is a more greyish shade of violet than purple. In flight, it has a whitish stripe visible on the underside of the wing. Female birds have white spots on seven or more underwing feathers, although a few of both sexes lack spots entirely. Birds with white spots on fewer than seven wing feathers can be either female or subadult male. The male has a slightly wider and flatter head, noticeable when birds are compared directly with each other, as well as longer wings and tail. Adult moulting takes place in the Southern Hemisphere summer and autumn. The red-capped parrot perches and walks with a distinctive upright posture.
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Red-capped parrot
The red-capped parrot (Purpureicephalus spurius) is a species of broad-tailed parrot native to southwestern Australia. It was described by Heinrich Kuhl in 1820, with no subspecies recognised. It has long been classified in its own genus owing to its distinctive elongated beak, though genetic analysis shows that it lies within the lineage of the Psephotellus parrots and that its closest relative is the mulga parrot (Psephotellus varius). Not easily confused with other parrot species, it has a bright crimson crown, green-yellow cheeks, and a distinctive long bill. The wings, back, and long tail are dark green, and the underparts are purple-blue. The adult female is very similar though sometimes slightly duller than the male; her key distinguishing feature is a white stripe on the wing under-surface. Juveniles are predominantly green.
Found in woodland and open savannah country, the red-capped parrot is predominantly herbivorous, consuming seeds, particularly of eucalypts, as well as flowers and berries, but insects are occasionally eaten. Nesting takes place in tree hollows, generally of older large trees. Although the red-capped parrot has been shot as a pest and has been affected by land clearing, the population is growing and the species is considered of least-concern by the International Union for Conservation of Nature (IUCN). It has a reputation of being anxious and difficult to breed in captivity.
The species was described in 1820 by Heinrich Kuhl, as Psittacus spurius, from an immature specimen collected at Albany, Western Australia by the Baudin expedition (1801–1803) and deposited at the National Museum of Natural History in Paris. The specific epithet spurius is the Latin adjective meaning "illegitimate", and refers to the markedly different adult and immature plumages (hence adults and young appear unrelated). Irish naturalist Nicholas Aylward Vigors named the species Platycercus pileatus in 1830 from an adult male specimen that had been acquired by the Zoological Society of London. English artist Edward Lear illustrated the live specimen in his 1830 work Illustrations of the Family of Psittacidae, or Parrots. The species was placed in the monotypic genus Purpureicephalus—as P. pileatus—by French biologist Charles Lucien Bonaparte in 1854. The generic name is an amalgam of the Latin purpureus "purple", and the Ancient Greek kephalé "head". In this generic combination, the current name is translated as "bastard red-head". The species name pileatus was generally used until German naturalist Otto Finsch followed Kuhl in using the specific name spurius, calling it Platycercus spurius in 1868. His countryman Anton Reichenow classified Purpureicephalus as a subgenus of Platycercus before placing it in the genus Porphyreicephalus (later corrected to Porphyrocephalus), until 1912, when Australian amateur ornithologist Gregory Mathews re-established the genus as Purpureicephalus. The red-capped parrot's elongated bill and its unusual coloration—lack of cheek patches compared with Platycercus—are the main reasons for its placement in its own genus.
No subspecies are recognised currently. Mathews tentatively described a subspecies carteri in 1915 from a specimen collected at Broomehill on the basis of darker upperparts and greener cheeks; it was not considered distinct by later authors. There is no known geographical variation; five birds from Esperance had smaller bills and tarsi than individuals from elsewhere in its range, but the sample was too small to draw any conclusions.
The red-capped parrot is related to other broad-tailed parrots, but relationships within the group had been unclear. In 1938, Australian ornithologist Dominic Serventy proposed that it was the sole survivor of a lineage of eastern Australian origin, with no close living relatives. In 1955, British evolutionary biologist Arthur Cain proposed that the eastern lineage had vanished after being outcompeted by the crimson rosella (Platycercus elegans), and that its closest relative was the horned parakeet (Eunymphicus cornutus) of New Caledonia, which he concluded had adopted a much greener plumage of a wetter climate. A 2011 genetic study including nuclear and mitochondrial DNA found that the red-capped parrot was closely related to the mulga parrot (Psephotellus varius), the two lineages having diverged in the Miocene. The combined lineage itself diverging from one giving rise to the hooded parrot (Psephotellus dissimilis) and golden-shouldered parrot (Psephotellus chrysopterygius).
"Red-capped parrot" has been designated the official name by the International Ornithologists' Union (IOC). English ornithologist John Gould used the name "red-capped parakeet" in 1848 based on Vigors' scientific name, which also inspired the old avicultural term "pileated parrot". It has also been called "western king parrot" to distinguish it from the Australian king parrot (Alisterus scapularis) occurring in the east, "purple-crowned parrot", "grey parrot", or "hookbill" for the distinctive upper mandible. The name "pileated parakeet" potentially causes confusion among aviarists with the South American pileated parrot (Pionopsitta pileata). Gould also reported "blue parrot" as an early colonial name. The name "king parrot" has persisted in Western Australia, English naturalist W. B. Alexander commenting that it was always known by this name in a field note in 1917, Pizzey reiterated this in a 2012 birding guide. Names in the Nyungar language, spoken by people of the southwest region, have been recorded at: Perth, Djar-rail-bur-tong and Djarrybarldung; King George Sound, Jul-u-up; Stirling Range, Chelyup; and Southwest, Djalyup. A recommended orthography and pronunciation list of Nyungar names has proposed daryl [char'rill], djarrailboordang [cha'rail'bore'dang], and djayop [cha'awp].
The red-capped parrot has a long bill and bright, clear patterned plumage, variously described as magnificent, gaudy, or clownishly coloured. Measuring 34–38 cm (13.5–15 in) in length with a 42–48 cm (16.5–19 in) wingspan, and weighing 105–125 g (3.7–4.4 oz), an adult red-capped parrot is a distinctive and easily recognised medium-sized parrot. The adult male has a crimson forehead and crown, which extends from the gape or base of the lower mandible through the eye and grey-brown lores. Its hindneck and cheeks are green, and its ear coverts are more yellow-green. In March and April, the crown feathers and ear coverts of birds with new plumage can have fine black edging. The feathers of the head, back and underparts, have grey bases that are generally hidden. The upperparts, including the wings, are dark green, the rump yellow-green, and the tail is green with a dark blue tip. The underparts are purplish-blue, the flanks green and red, and the iris dark brown with a dark grey eye ring. The bill is pale blue-grey with a dark grey tip, its upper mandible elongated to a slender hook.
The colouring of the female is similar to, though slightly duller than that of the male; the red of its plumage is not as intense and its red flanks are spotted with some green and yellow. Its breast is a more greyish shade of violet than purple. In flight, it has a whitish stripe visible on the underside of the wing. Female birds have white spots on seven or more underwing feathers, although a few of both sexes lack spots entirely. Birds with white spots on fewer than seven wing feathers can be either female or subadult male. The male has a slightly wider and flatter head, noticeable when birds are compared directly with each other, as well as longer wings and tail. Adult moulting takes place in the Southern Hemisphere summer and autumn. The red-capped parrot perches and walks with a distinctive upright posture.