Mitred Parakeet
Psittacara mitratus
A medium-sized green parakeet with a long tail and scattered red feathers on the face. Similar to Red-masked Parakeet, but the red on the face is usually less extensive and Mitred lacks the red underwings seen on Red-masked. Calls are loud screeches. Introduced to Hawaii and California, where it often coexists with Red-masked Parakeet and forms potential intergrades.
识别特征
The mitred parakeet is 31 to 38 cm (12 to 15 in) long and weighs 219 to 275 g (7.7 to 9.7 oz). The sexes are alike. Adults of all subspecies are mostly green with a purplish forehead and a variable amount and pattern of red on the face. All subspecies have a red forecrown and red in front of their eye. The red usually extends past the eye and down the cheeks, and is often just flecks on the ear coverts. Subspecies P. m. chlorogenys has less red around and below the eye than the others, often a blue tinge on the crown, and some red on the thighs. Some individuals of all subspecies have a small amount of red at the bend of the wing. Their eye is surrounded by bare white skin and their bill is horn colored. Juveniles have little or no red.<p>The differences in plumage coloration noted in the field and in specimens are possibly due to erroneous age assignments, and might also be clinal.
分类信息
The mitred parakeet was for a time placed in the genus Aratinga but from about 2013 has been in its present genus Psittacara. Its taxonomy is otherwise unsettled. The International Ornithological Committee (IOC) recognizes these three subspecies:<p>The American Ornithological Society (AOS) and the Clements taxonomy recognize a fourth subspecies, P. m. alticola ("Chapman's parakeet"), that Arndt (2006) had suggested as a separate species. Agnolin (2009) called into question the validity of P. m. tucumanus, and BirdLife International's Handbook of the Birds of the World (HBW) does not recognize it or P. m. alticola, assigning only P. m. chlorogenys and P. m. mitratus to the mitred parakeet.<p>Arndt (2006) also suggested that another full species, P. hockingi ("Hocking's parakeet"), exists within the mitred parakeet. The IOC, AOS, Clements, and HBW have not accepted this taxon as either a species or subspecies.<p>This article follows the three-subspecies model.
- 学名
- Psittacara mitratus
- 命名信息
- (Tschudi, 1844)
- 目
- Psittaciformes
- 科
- Psittacidae
- 属
- Psittacara
分布与栖息地
The nominate subspecies P. m. mitratus of the mitred parakeet is found from the departments of Ayacucho and Cuzco in Peru south through Bolivia into northwestern Argentina as far as Córdoba Province. Subspecies P. m. chlorogenys is found on the eastern slope of the Peruvian Andes between Amazonas and Junín departments. P. m. tucumanus is found in the Argentinian provinces of Córdoba and Tucumán.<p>The mitred parakeet has been introduced to Uruguay and is established there. Populations in California, Florida, and Hawaii are apparently derived from escaped or released cage birds. California's official list does not include the species but the other two states' lists do.<p>In their native range mitred parakeets inhabit a variety of landscapes, most of them forested. These include both evergreen and deciduous montane forest, cloudforest, secondary forest, and semi-humid to humid scrub areas in otherwise arid zones. In elevation subspecies P. m. chlorogenys ranges from 1,200 to 2,900 m (3,900 to 9,500 ft). The other two suspecies occur in the wider elevational range of 1,000 to 3,400 m (3,300 to 11,200 ft) with one reported sighting at 4,000 m (13,000 ft) in Peru. The introduced populations in California and Florida mostly occur in suburban and urban areas while those in Hawaii occur in both populated and unpopulated areas.
- 迁徙
- Complete migrants
行为
Migration pattern: Complete migrants.
保护状况
Population trend: stable.
- 种群趋势
- stable
照片
分布
鸟叫声
其他鸟类
Karamoja Apalis
Apalis karamojae
A slender ash-gray apalis with a diagnostic striking white panel on the folded wing and two pairs of white outer tail feathers which are usually obvious on the dark tail. Upperparts are darker than underparts. Presumably resident in areas of semi-arid shrubland, particularly those with scattered thorn trees along dry watercourses. Pairs sing a long duet of chipped and warbled notes. The white wing panel easily separates this species from other long-tailed warbler-like birds in its range.
White-winged Scoter
Melanitta deglandi
Large scoter, with distinctive white patch on wing. Dark chocolate-brown overall; males are darker than females and have small white mark under eye, dark knob on the bill, and pink bill tip. Females have two rounded white patches on face. At a distance, separated from Surf Scoter by more sloping head shape and white in the wing. Winters on coastal waters and large freshwater lakes. Occasionally found on large inland lakes during migration. Dives frequently, feeding on mollusks and crustaceans.
Bar-winged Prinia
Prinia familiaris
Namesake white wing bars make this prinia relatively distinctive. Also note white throat, pale yellow belly, and black-and-white tips to tail feathers. Endemic to Java, Sumatra, and some smaller adjacent islands. Inhabits scrubby habitats, such as farm field edges and old plantations, as well as mangroves. Often seen in low vegetation, but forages at all levels of habitat. Sometimes forms small flocks outside the breeding season. Song is a twanging, repetitive “chwet-chwet-chwet” or “cheweet-cheweet-cheweet”. Calls include a sharp “chwit” and a harsh, nasal “jee!”
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