Rose-ringed Parakeet
Psittacula krameri
Vibrantly bright green parakeet, frequently found in woodland, parks, and gardens, where it feeds mainly in trees. Nests in cavities, including holes in buildings. Easily overlooked if quiet, as the bright green plumage blends easily with foliage. Note the very long slender tail and bright red bill; male has narrow black-and-pink neck ring. Closely resembles the larger Alexandrine Parakeet, which has a wine-red patch on each shoulder. Like other parakeets, raucous and social, often appearing in noisy groups giving sharp screeching calls. Native to Africa and South Asia, introduced locally around the world, from Europe and the Caribbean to Japan and Hawaii.
识别特征
The rose-ringed parakeet is sexually dimorphic. The adult male sports a pink and black neck ring, and the hen and immature birds of both sexes either show no neck rings, or display shadow-like pale to dark grey neck rings. Both sexes have a distinctive green colour in the wild with a red beak and blue tail, and captive bred ringnecks have multiple colour mutations which include turquoise, cinnamon, olive, white, blue, violet, grey and yellow. Rose-ringed parakeets measure on average 40 cm (16 in) in length, including the tail feathers, a large portion of their total length. Their average single-wing length is about 15 to 17.5 cm (5.9 to 6.9 in). In the wild, this is a noisy species with an unmistakable squawking call. Captive individuals can be taught to speak. They are a herbivorous and non-migratory species.
分类信息
Four subspecies are recognised, though they differ little:<p>The Asian subspecies are both larger than the African subspecies.<p>The genus name Psittacula is a diminutive of Latin psittacus, "parrot", and the specific krameri commemorates the Austrian naturalist Wilhelm Heinrich Kramer.<p>In 2019, a genetic study revived the genus Alexandrinus, formerly viewed as a synonym of the current genus Psittacula. Some organisations, including the IUCN, have accepted the new taxonomy.
- 学名
- Psittacula krameri
- 命名信息
- (Scopoli, 1769)
- 目
- Psittaciformes
- 科
- Psittaculidae
- 属
- Psittacula
分布与栖息地
Since the 19th century, the rose-ringed parakeet has successfully colonized many other countries. It breeds further north than any other parrot species. It has established itself on a large scale in Germany, France, Belgium, the Netherlands, Italy, and the UK. See Feral Birds section below.<p>This shows that the risk of parakeet establishment may rise further as a result of decreasing frost days due to global warming, rising urbanization, and rising human populations. Because of the significant separate parakeet imports in Europe, researchers are capable of investigating the widely held hypothesis of climate matching and human activity at the species level.
- 迁徙
- Resident species
行为
In the wild, rose-ringed parakeets usually feed on buds, nectar, fruits, vegetables, nuts, berries, seeds, grains, and insects. Wild flocks also fly several miles to forage in farmlands and orchards, causing extensive damage. Feral parakeets will regularly visit gardens and other locations near human habitation, taking food from bird feeders.<p>In India, they feed on cereal grains, and during winter also on pigeon peas. In Egypt during the spring, they feed on mulberry and in summer they feed on dates and nest inside palm trees and eat from sunflower and corn fields.<p>In captivity, rose-ringed parakeets will take a large variety of food and can be fed on a number of fruits, vegetables, pellets, seeds, and even small amounts of cooked meat for protein. Oils, salts, chocolate, alcohol, and other preservatives should be avoided.<p>In northwestern India, Indian rose-ringed parakeets form pairs from September to December. They do not have life mates and often breed with another partner during the following breeding season. During this cold season, they select and defend nest sites, thus avoiding competition for sites with other birds. Feeding on winter pea crops provides the female with nutrients necessary for egg production. From April to June, they care for their young. Fledglings are ready to leave the nest before monsoon.<p>Seasonal changes in testicular activity, plasma luteinizing hormone (LH), estradiol (E2), testosterone (T), and 5 α-dihydrotestosterone (5 α-DHT) were related to pair bond formation, nest building, nest defense, and parental behavior in free living Indian rose-ringed parakeets in northwest India. The parakeets are able to reproduce in the winter because it allows them to avoid competing with other birds for nesting places, postpone having young during the monsoon season, and take use of the winter pea harvest, which provides the female with extra nutrients for egg formation.
保护状况
- 种群趋势
- rising
照片
分布
鸟叫声
其他鸟类
Greater Necklaced Laughingthrush
Pterorhinus pectoralis
A large, long-tailed, thrushlike bird of dense forests. Note its black necklace, streaked white cheek patch, and pale band near the tip of the tail. Very similar to Lesser Necklaced Laughingthrush; note dark eye and ‘contained’ (completely encircled) cheek patch. Shy and difficult to see well. Usually found in small flocks in wet lowland and hill forest, often near streams. Song is a series of loud whistles, not as long or varied as that of Hwamei. Native to East and Southeast Asia; introduced to the Hawaiian island of Kauai.
Eurasian Siskin
Spinus spinus
Small yellowish finch with prominent wingbars. Male is attractive and distinctive, with a yellow face and breast offset by a black cap and small chin patch. Female streaky overall, often with yellowish tones; note especially the yellow wing and tail flashes of both sexes. Inhabits mixed and coniferous woodland and forest; also found in parks and gardens, and visits seed feeders. Often in flocks, mainly in the autumn and winter, gathering at good food sources. Listen for twittering, buzzing vocalizations, including nasal, rising “tuohweee” and dry chittering.
Peacock Coquette
Lophornis pavoninus
Tiny hummingbird of tepui highlands. Both sexes distinctive: males have long cheek tufts with black spotting, while females are heavily streaked below. Both have a white rump band like other coquettes. Found only in humid forest and scrub in the tepui region. Feeds on nectar by infiltrating territories of larger hummingbirds; also presumably eats tiny insects. May be seen resting on exposed perches. Both sexes are darker than other coquettes in range, and this species typically occurs at higher elevations than others.
开始您的观鸟之旅
在户外识别鸟类，并在下一次观察时随手查阅鸟类图鉴。