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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.
Aequornithes (/ iː k w ɔːr ˈ n ɪ θ iː z /, from Latin aequor, expanse of water + Greek ornithes, birds), or core water birds, [6] are defined in the PhyloCode as "the least inclusive crown clade containing Pelecanus onocrotalus and Gavia immer". [3] [7] The monophyly of the group is currently supported by several molecular phylogenetic ...
They are mainly solitary birds, eating insects and fruit. Figs and numerous other species of fruiting tree and bush are visited. An individual barbet may feed on as many as 60 different species in its range. They will also visit plantations and take cultivated fruit and vegetables.
Female great hornbill feeding on figs. Fruit forms a large part of the diet of forest hornbills. Hornbills are omnivorous birds, eating fruit, insects and small animals. They cannot swallow food caught at the tip of the beak as their tongues are too short to manipulate it, so they toss it back to the throat with a jerk of the head.
granivores: (sometimes called seed-eating): birds that forage for seeds and grains, [149] such as geese, grouse and estrildid finches. [ 141 ] [ 146 ] herbivore : birds that predominantly eat plant material, and mostly do not eat meat; especially of birds that are both granivorous and frugivorous or are grass eaters, such as whistling ducks ...
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In comparison, the non-specialized fruit-eating birds that they compete with for the mistletoe berry, such as the spiny-cheeked honeyeater (Acanthagenys rufogularis), have a more complex digestive system that takes longer for the fruit seeds to pass, and in the process the seeds are subjected to more mechanical and chemical action in the gut ...
The feathers of the belly are specially adapted for absorbing water and retaining it, allowing adults, particularly males, to carry water to chicks that may be many miles away from watering holes. [ 2 ] [ 3 ] The amount of water that can be carried in this way is 15 to 20 millilitres (0.5 to 0.7 fluid ounces).