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The species is known for its aggressive behaviour towards much larger birds, such as crows, never hesitating to dive-bomb any bird of prey that invades its territory. This behaviour earns it the informal name of king crow. Smaller birds often nest in the well-guarded vicinity of a nesting black drongo.
The three currawong species are sombre-plumaged dark grey or black birds with large bills. They resemble crows and ravens, although are slimmer in build with longer tails, booted tarsi [7] and white pages on their wings and tails. [16] Their flight is undulating. Male birds have longer bills than females.
The eastern species is smaller than the western jackdaw, and in eastern adults, the pale areas of the plumage are almost white, whereas in the western bird, these areas are pale grey. The iris is pale in western jackdaw and dark in Daurian jackdaw. The two species are otherwise very similar in shape, calls, and behaviour.
Female, Guatemala. The great-tailed grackle or Mexican grackle (Quiscalus mexicanus) is a medium-sized, highly social passerine bird native to North and South America.A member of the family Icteridae, it is one of 10 extant species of grackle and is closely related to the boat-tailed grackle and the extinct slender-billed grackle. [2]
The rook is a fairly large bird, at 280 to 340 g (9.9 to 12.0 oz) adult weight, 44 to 46 cm (17 to 18 in) in length and 81 to 99 cm (32 to 39 in) wingspan. [8] It has black feathers that often show a blue or bluish-purple sheen in bright sunlight. The feathers on the head, neck and shoulders are particularly dense and silky.
The common raven or northern raven (Corvus corax) is a large all-black passerine bird. It is the most widely distributed of all corvids , found across the Northern Hemisphere . There are 11 accepted subspecies with little variation in appearance, although recent research has demonstrated significant genetic differences among populations from ...
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White-winged choughs are easily recognised but often mistaken for "crows" (such as the Australian raven). The white-winged chough is a large, black bird—at about 45 cm (18 in) only a little smaller than a raven or a little larger than an Australian magpie—but has red eyes and a finer, slightly down-curved beak, similar to a European chough ...