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The phenotypic difference between males and females is called sexual dimorphism. [9] Male grouse tend to be larger than female grouse, [9] which seems to hold true across all the species of grouse, with some difference within each species in terms of how drastic the size difference is. [9]
Turkeys and grouse have also been recognized as having their origins in the pheasant- and partridge-like birds. Until the early 1990s, this family was broken up into two subfamilies : the Phasianinae , including pheasants , tragopans , junglefowls , and peafowls ; [ 4 ] and the Perdicinae , including partridges , Old World quails , and ...
The classification "pheasant" is paraphyletic, as birds referred to as pheasants are included within both the subfamilies Phasianinae and Pavoninae, and in many cases are more closely related to smaller phasianids, grouse, and turkey (formerly classified in Perdicinae, Tetraoninae, and Meleagridinae) than to other pheasants.
The subfamily includes true pheasants, tragopans, grouse, turkey and similar birds. [1] Although this subfamily was considered monophyletic and separated from the partridges , francolins , and Old World quails ( Perdicinae ) till the early 1990s, [ 1 ] [ 2 ] molecular phylogenies have shown that this placement is paraphyletic.
The common pheasant (Phasianus colchicus), ring-necked pheasant, or blue-headed pheasant, a bird in the pheasant family (Phasianidae). The genus name comes from Latin phasianus 'pheasant'. The species name colchicus is Latin for 'of Colchis ' (modern day Georgia ), a country on the Black Sea where pheasants became known to Europeans. [ 2 ]
Ruffed grouse is the preferred common name because it applies only to this species. Misleading vernacular names abound, however, and it is often called partridge (sometimes rendered pa'tridge, or shortened to pat), [7] pheasant, or prairie chicken, all of which are properly applied to other birds. [8]
Galliformes / ˌ ɡ æ l ɪ ˈ f ɔːr m iː z / is an order of heavy-bodied ground-feeding birds that includes turkeys, chickens, quail, and other landfowl.Gallinaceous birds, as they are called, are important in their ecosystems as seed dispersers and predators, and are often reared by humans for their meat and eggs, or hunted as game birds.
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.