Tag: #Godwit

Indian place-billed duck

The Indian location-billed duck (Anas poecilorhyncha) is a substantial dabbling duck which is a non-migratory breeding duck during freshwater wetlands in the Indian subcontinent. The title is derived from the pink location at the foundation of the invoice that is found in the mainland Indian populace. When in drinking water it can be recognized from a lengthy length by the white tertials that kind a stripe on the facet, and in flight it is distinguished by the eco-friendly speculum with a broad white band at the base. The japanese place-billed duck (A. zonorhyncha) was previously taken care of as a subspecies.

The Indian location-billed duck was explained by the naturalist Johann Reinhold Forster in 1781 beneath its present-day binomial title Anas poecilorhyncha. The name of the genus Anas is the Latin term for a duck. The unique epithet poecilorhyncha brings together the classical Greek terms poikilos this means “pied” or “noticed” and rhunkhos indicating a “invoice”.

A molecular phylogenetic analyze released in 2009 that in contrast mitochondrial DNA sequences from ducks, geese and swans in the relatives Anatidae discovered that the Indian location-billed duck was a sister species to a clade made up of the Mexican duck, the American black duck, the mottled duck and the mallard. A 2014 research, nonetheless, demonstrates that there is discordance involving the phylogenies received making use of nuclear DNA sequences the Indian spot-invoice seems to be nearer to the Laysan and Hawaiian ducks and forming a sister clade to the New Globe and Previous Earth mallards and the Mexican, American black and mottled ducks. There is important hybridization amongst Aged World mallards and jap place-billed ducks ,major to a closeness in their mitochondrial DNA that alters the apparent phylogenies.

Two subspecies are recognised although intergradation is doable (intermediates amongst haringtoni and japanese place-billed duck have been recorded):

A. p. poecilorhyncha Forster, 1781 – India and Sri Lanka
A. p. haringtoni (Oates, 1907) – Myanmar to southern China and Laos (named immediately after Herbert Hastings Harington (1868–1916))
The japanese place-billed duck was formerly regarded as as a 3rd subspecies. Fieldwork carried out at Hong Kong in southern China and released in 2006 identified that whilst equally the japanese place-billed duck and the Indian spot-billed duck (subspecies A. p. haringtoni) bred in the location at the identical time, blended pairs had been only very not often observed. Dependent on this observation most taxonomists now deal with the jap location-billed duck as a different species.

This duck is close to the identical measurement as a mallard and has a scaly patterned entire body with a environmentally friendly speculum bordered by white. At relaxation the white stripe stands out and the lengthy neck and the monthly bill with yellow tip and orange red places at the foundation are distinctive in the nominate subspecies. The purple spots at the base of the expenditures are absent in haringtoni. It actions 55–63 cm (22–25 in) in duration and 83–95 cm (33–37 in) across the wings, with a human body mass of 790–1,500 g (1.74–3.31 lb). These are generally grey ducks with a paler head and neck and a black monthly bill tipped vibrant yellow. The wings are whitish with black flight feathers beneath, and from previously mentioned exhibit a white-bordered green The male has a purple spot on the foundation of the bill, which is absent or inconspicuous in the smaller sized but otherwise related female. The male does not have an eclipse plumage. The legs and feet are vibrant orange to coral red. Juveniles are browner and duller than grownups.

The eastern spot-billed duck is darker and browner its physique plumage is a lot more equivalent to the Pacific black duck. It lacks the red invoice location, and has a blue speculum.

Each males and women go through a comprehensive publish-breeding moult, dropping all their wing feathers at the same time.

This duck is a resident through Pakistan and India in freshwater wetlands. They are inclined to keep away from quite huge patches of open h2o and desire medium sized wetlands with vegetation address. Some persons may possibly on the other hand migrate as a hen ringed at Bharatpur in Rajasthan on 5 December 1969 was recovered in close proximity to Novosibirsk in August 1970. It is rather gregarious exterior the breeding year and types modest flocks. The northernmost populations have expanded their assortment northwards by additional than 500 km due to the fact the early 20th century, potentially in reaction to worldwide warming.

Posted by siddharthx on 2018-02-02 05:41:50

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Godwit

The godwits are a group of massive, extensive-billed, long-legged and strongly migratory waders of the fowl genus Limosa. Their prolonged payments permit them to probe deeply in the sand for aquatic worms and molluscs. They recurrent tidal shorelines, breeding in northern climates in summer season and migrating south in winter season. In their winter season vary, they flock collectively where meals is plentiful. A female bar-tailed godwit retains the document for the longest non-quit flight for a land chicken.

They can be distinguished from the curlews by their straight or somewhat upturned charges, and from the dowitchers by their lengthier legs. The wintertime plumages are rather drab, but 3 species have reddish underparts when breeding. The girls are appreciably larger sized than the males.

Godwits ended up once a well-liked British dish. Sir Thomas Browne producing in about 1682 noted that godwits “ended up accounted the daintiest dish in England”.

The English name was 1st recorded in about 1416–7 and is considered to imitate the bird’s simply call. The genus title Limosa is from Latin and suggests “muddy”, from limus, “mud”.

In addition, there are two or three species of fossil prehistoric godwits. Limosa vanrossemi is recognised from the Monterey Formation (Late Miocene, approx. 6 mya) of Lompoc, United States. Limosa lacrimosa is regarded from the Early Pliocene of Western Mongolia (Kurochkin, 1985). Limosa gypsorum of the Late Eocene (Montmartre Formation, some 35 mya) of France could have truly been a curlew or some bird ancestral to each curlews and godwits (and possibly other Scolopacidae), or even a rail, being placed in the monotypic genus Montirallus by some (Olson, 1985). Unquestionably, curlews and godwits are alternatively ancient and in some respects primitive lineages of scolopacids, even more complicating the assignment of these kinds of perhaps basal types.

In a 2001 examine comparing the ratios cerebrum to brain volumes in many dinosaur species, Hans C. E. Larsson located that much more derived dinosaurs frequently had proportionally more voluminous cerebrum. Limosa gypsorum, then regarded as a Numenius species, was a discrepancy in this common pattern. L. gypsorum was only 63% of the way concerning a normal reptilian ratio and that of fashionable birds. Nonetheless, this may perhaps be explainable if the endocast was distorted, as it had been formerly depicted in the earlier by Deschaseaux, who is explained by Larsson as calling the endocast “a little bit anteroposteriorly sheared and laterally compressed.”

Posted by siddharthx on 2018-02-02 05:41:47

Tagged: , Architecture , Artisans , Astrophotography , Bee Eaters , Bhuj , Birding , Birds , Birds of Prey , Canon , Canon7DMkII , Frequent Cranes , Copper Bell Artwork , Cottage , Dasada , Deomiselle Crane , Dholavira , Ducks , EF100-400mmf4.5-5.6 , EF24-70mmf4 , Flamingos , Flatland , Fantastic Rann of Kutch , Gujarat , Harappan Civilization , Harappan Metropolis , Herons , Horizon , India , Kingfishers , Kutch Wilderness Kamp , Minimal Rann of Kutch , Long Exposures , Madapol Fort Gate , Marsh , Modhera , Modhera Solar Temple , Patan , Pelicans , Rani ki Vav , Rann Riders , Rann of Kutch , Raptors , Resorts , Robins , Rogan Art , Rudramata Dam , Rudramata Reservoir , Salt Flat , Salt Marsh , Samyang14mmf2.8 , Sigma50mmf1.4 , Star Images , Star Trails , Stilts , Temple , Terns , Vacation , WIldlife , White Desert , Wild Ass , Wild Ass Sanctuary , Wildlife Images , Wildlife Vacation resort , Woodwork , Yondering , #Godwit , #SpotBilledDuck , Savda , IN , #Habitat

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