خروس کولی (نام علمی: Vanellus vanellus) پرندهای است آبچر که در مناطق معتدل آسیای میانه زندگی میکند و در زمستان، به صورت دستههای چند تایی و اغلب در طول روز به سمت سرزمینهای جنوبی تا شمال آفریقا، ایران، پاکستان، شمال هند و بخشهایی از چین مهاجرت میکند.
خروس کولی در کشتزارها، علفزارها یا مناطقی با پوشش گیاهی کوتاه به تولید مثل میپردازد. این پرنده زمین را خراشیده و ۳-۴ تخم را درون آن میگذارد و در صورت مواجه با مزاحمین حالتی تهاجمی به خود گرفته و با سرو صدای بسیار از لانه و جوجههایش دفاع میکند.
طول خروس کولی ۲۸-۳۱ سانتیمتر و گشودگی بالهایش ۶۷-۷۲ سانتیمتر است. بالها حالتی گردشده داشته و پاها در مقایسه با دیگر پرندگان این گروه بسیار کوتاه هستند. پرها اغلب به رنگ سیاه و سفید هستند و پرهای پشتی سایهای سبز دارند. همچنین پرنده دارای کاکلی بر روی سرش میباشد. پرندگان جوان و مادهها بالهای کوچکتری در مقایسه با نرها دارند و نقوش روی سرشان نیز کمتر است اما از نظر پرهای تزئینی تفاوتی با یکدیگر ندارند.
The northern lapwing (Vanellus vanellus), also known as the peewit or pewit, tuit or tew-it, green plover, or (in Britain and Ireland) just lapwing, is a bird in the lapwing family. It is common through temperate Eurasia.
It is highly migratory over most of its extensive range, wintering further south as far as north Africa, northern India, Pakistan, and parts of China. It migrates mainly by day, often in large flocks. Lowland breeders in westernmost areas of Europe are resident. It occasionally is a vagrant to North America, especially after storms, as in the Canadian sightings after storms in December 1927 and in January 1966.
It is a wader that breeds on cultivated land and other short vegetation habitats. 3–4 eggs are laid in a ground scrape. The nest and young are defended noisily and aggressively against all intruders, up to and including horses and cattle.
The name lapwing has been variously attributed to the "lapping" sound its wings make in flight, from the irregular progress in flight due to its large wings (the Oxford English Dictionary derives this from an Old English word meaning "to totter"), or from its habit of drawing potential predators away from its nest by trailing a wing as if broken. The names peewit, pewit, tuit or tew-it are onomatopaeic and refer to the bird's characteristic call.
The northern lapwing is a 28–33 cm (11–13 in) long bird with a 67–87 cm (26–34 in) wingspan and a body mass of 128–330 g (4.5–11.6 oz). It has rounded wings and a crest. It is also the shortest-legged of the lapwings. It is mainly black and white, but the back is tinted green. The male has a long crest and a black crown, throat and breast contrasting with an otherwise white face. Females and young birds have shorter crests, and have less strongly marked heads, but plumages are otherwise quite similar.
This is a vocal bird in the breeding season, with constant calling as the crazed tumbling display flight is performed by the male. The typical contact call is a loud, shrill "pee-wit" from which they get their other name of peewit. Displaying males usually make a wheezy "pee-wit, wit wit, eeze wit" during their display flight, these birds also make squeaking or mewing sounds.
It feeds primarily on insects and other small invertebrates. This species often feeds in mixed flocks with golden plovers and black-headed gulls, the latter often robbing the two plovers, but providing a degree of protection against predators.
Like the golden plovers, this species prefers to feed at night when there is moonlight.
The northern lapwing is one of the species to which the Agreement on the Conservation of African-Eurasian Migratory Waterbirds (AEWA) applies.
National surveys of England and Wales have shown a population decline between 1987 and 1998, and since 2009 the northern lapwing has had red list conservation status in the United Kingdom. The numbers of this species have been adversely affected by intensive agricultural techniques. In the lowlands this includes the loss of rough grassland, conversion to arable or improved grassland, loss of mixed farms, and switch from spring- to autumn-sown crops. In the uplands, the losses may have been due to increases in grazing density. Natural England gives grant aid to help restore lapwing habitat within its Environmental Stewardship Scheme. The organisation suggests an option within this scheme called 'Fallow plots for ground-nesting birds'. Uncropped plots at least 2 ha (4.9 acres) in size provide nesting habitat and are located in suitable arable fields, which provide additional foraging habitat. Locating the plots within 2 km (1.2 mi) of extensively grazed grassland will provide additional foraging habitat. The plots are cultivated in the spring to produce a rough fallow, which is retained without the input of fertiliser or pesticides. In addition to agricultural intensification and land-use change, predation of nests and chicks contributes to wader declines, including of lapwing. By radio-tagging lapwing chicks, and using automatic radio tracking systems, the timing of chick predation can be revealed, which provides additional insights in to the importance of different predators. Lapwing chicks are predated both in the day and at night, with mammalian predators having the greatest impact.
In Armenia, the population decline and loss of breeding habitats was also documented; the threats are thought to be intensification of land use and hunting, but further investigations for threat clarification are required.
"Plover's eggs" were an expensive delicacy in Victorian Europe, mentioned in Evelyn Waugh's Brideshead Revisited, about aristocratic British society in 1920–40. In the Netherlands, there is a cultural-historical competition to find the first peewit egg of the year (het eerste kievietsei). It is especially popular in the province Friesland, but there are also regional competitions. Gathering peewit eggs is prohibited by the European Union, but Friesland was granted an exception for cultural-historical reasons. The Frisian exception was removed in 2005 by a court, which determined that the Frisian executive councillors had not properly followed procedure. As of 2006 looking for peewit eggs is permitted between 1 March and 9 April, though harvesting the eggs is now forbidden. In 2008 the first egg was found on 3 March, in Eemnes, Utrecht, and the first egg of 2009 was found on 8 March. Over the last century, the first peewit egg has been found earlier and earlier in the year. This is ascribed to both increased use of fertiliser and climate change, causing the growth of grass needed for egg laying to occur earlier.
The bird referred to in English translations of Ovid's Metamorphoses, book 6, as lapwing is probably the northern lapwing. Tereus is turned into an epops (6.674); Ovid presumably had the hoopoe in mind, whose crest indicates his royal status and whose long, sharp beak is a symbol of his violent nature.