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Megapodes are superprecocial, hatching from their eggs in the most mature condition of any bird. They hatch with open eyes, bodily coordination and strength, full wing feathers, and downy body feathers, and are able to run, pursue prey and, in some species, fly on the day they hatch.
[12] [14] [15] Their eggs, which weigh on average 180 g (6.3 oz), are also sometimes eaten. [16] The Australian brushturkey is fully protected in Queensland. [17] Under the Nature Conservation Act 1992 it is an offence to harm brush turkeys. [18] A class 1 offence incurs 3000 penalty units ($483,900) or two years imprisonment. A class 4 offence ...
As with other megapodes, it nests in large mounds of sand, leaf litter and other debris where the heat generated by the decomposition of organic material serves to incubate the eggs. Construction and maintenance of the mounds, which may reach 4.5 m (15 ft) in height and 9 m (30 ft) in diameter, takes place throughout the year.
Brushturkey, brush-turkey or brush turkey generally refer to birds in three genera in the megapode family, and sometimes to other species such as the Australian bustard: Megapodes [ edit ]
Removing eggs each day, out of the sight of the hens, helps avoid broodiness not only in domestic poultry but also in some wild species in captivity. This continued egg laying means more eggs are laid than would occur under natural conditions. [9] [10] Poultry farming in battery cages also helps to avoid broodiness. [11] [12] [13]
Usually, eggs are laid only by the queen, but the unmated workers may also lay haploid, male eggs either regularly (e.g. stingless bees) or under special circumstances. An example of non-viable parthenogenesis is common among domesticated honey bees. The queen bee is the only fertile female in the hive; if she dies without the possibility of a ...
Egg incubation is done under favorable environmental conditions, possibly by brooding and hatching the egg. Multiple and various factors are vital to the incubation of various species of animal. In many species of reptile for example, no fixed temperature is necessary, but the actual temperature determines the sex ratio of the offspring .
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.