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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 rook has a high-pitched kaaa, but the crow's guttural, slightly vibrant, deeper croaked kraa is distinct from any note of the rook. [10] The carrion crow is noisy, perching on a vantage point such as a building or the top of a tree and calling three or four times in quick succession, with a slight pause between each series of croaks.
Hooded crow (Corvus cornix) in flight Jungle crow (Corvus macrorhynchos) scavenging on a dead shark at a beach in Kumamoto, Japan. Medium-large species are ascribed to the genus, ranging from 34 cm (13 in) of some small Mexican species to 60–70 cm (24–28 in) of the large common raven and thick-billed raven, which together with the lyrebird represent the larger passerines.
Corvidae is a cosmopolitan family of oscine passerine birds that contains the crows, ravens, rooks, magpies, jackdaws, jays, treepies, choughs, and nutcrackers. [1] [2] [3] In colloquial English, they are known as the crow family or corvids. Currently, 139 species are included in this family.
The striated caracara or Forster's caracara (Phalcoboenus australis) is a Near Threatened bird of prey of the family Falconidae, the falcons and caracaras. [4] [1] It is found in Tierra del Fuego and the Falkland Islands. [5] In the Falklands it is known as the Johnny rook, probably named after the Johnny penguin (gentoo penguin). [6]
The American crow (Corvus brachyrhynchos) is a large passerine bird species of the family Corvidae. It is a common bird found throughout much of North America . American crows are the New World counterpart to the carrion crow and the hooded crow of Eurasia ; they all occupy the same ecological niche .
The crow and rabbit photo causes confusion for a different reason. Still, for a full explanation — and for a definitive answer — we may need to wait to hear more from Quintana himself.
Corvus capensis Lichtenstein, MHC, 1823 – Cape crow or Cape rook (east and southern Africa) Corvus frugilegus Linnaeus , 1758 – rook (Eurasia, introduced to New Zealand ) Corvus brachyrhynchos Brehm, CL , 1822 – American crow (the United States , southern Canada and northern Mexico )