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The grey butcherbird is a small grey, black and white bird with a weight of 90 grams (3.2 ounces), a body length between 27 and 30 cm (11 and 12 in) and a wing span expanding 37–43 cm (15–17 in). The grey butcherbird is smaller than the Pied Butcherbird ( Cracticus nigrogularis ).
The male has black upperparts, head and throat apart from a white shoulder patch. The underparts and the sides of the long tail are white. Females are greyish black above and greyish white under. Young birds have scaly brown upperparts and head. The nominate race is found on the Indian subcontinent and the females of this race are the palest.
The symptoms vary from the severity of the disorder. The most classic sign of AEN is the dark pigmentation of esophageal mucosa in an upper endoscopy, usually viewed as an ulcer or as an infectious disease. [6] Necrosis can be found mostly between the three distals of the esophagus, but stops abruptly at the gastroesophageal junction. [2]
Bycanistes subcylindricus is a moderately large bird of 60 to 70 cm with a wing span of 70 to 96 cm. It is recognizable by its black plummage for the higher body and wings alongside and white plummage on the lower body and wings with black feathers amongst the white feathers of the tail, particularly the top tail feathers and the base of the tail feathers.
The throat is white (in most subspecies), and there is a black bar across the upper breast. Below this, the lower breast is off-white with black scale-like spots [15] which transitions into an off-white colour towards the centre of the abdomen. The eyes, bill and feet of the bird are all a brown colour. [8]
Chukar Patridge from United Arab Emirates. The chukar partridge (Alectoris chukar), or simply chukar, is a Palearctic upland gamebird in the pheasant family Phasianidae.It has been considered to form a superspecies complex along with the rock partridge, Philby's partridge and Przevalski's partridge and treated in the past as conspecific particularly with the first.
The adult Australian magpie is a fairly robust bird ranging from 37 to 43 cm (14.5 to 17 in) in length, with black and white plumage, gold brown eyes and a solid wedge-shaped bluish-white and black bill. The male and female are similar in appearance, but can be distinguished by differences in back markings.
Females' maxilla is black with a pinkish base and their mandible pinkish red with a black tip. Males have a golden green to emerald green crown, nape, and upperparts with rufous edging on the uppertail coverts. Their forehead and chin are black, their face mostly black with a wide white stripe behind the eye, and their throat iridescent emerald ...