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Junglefowl are the only four living species of bird from the genus Gallus in the bird order Galliformes, and occur in parts of South and Southeast Asia.One of the species in this genus, the red junglefowl, is of historical importance as the direct ancestor of the domestic chicken, although the grey junglefowl, Sri Lankan junglefowl and green junglefowl are likely to have also been involved. [2]
Laevicardium elatum, the Giant egg cockle, Giant Pacific cockle or the Yellow cardinal cockle, is a species of saltwater clam, a cockle, a marine bivalve mollusc in the family Cardiidae, the cockles. This species is found in the tropical Panamic Province, from Southern California south through the Pacific coast of Mexico and the Gulf of ...
As with other jungle fowl, Sri Lankan jungle fowl are primarily terrestrial. They spend most of their time foraging for food by scratching the ground for various seeds, fallen fruit, and insects. Females lay two to four eggs in a nest, either on the forest floor in steep hill country or in the abandoned nests of other birds and squirrels. Like ...
The red junglefowl was the primary species to give rise to today's many breeds of domesticated chicken (G. g. domesticus); additionally, the related grey junglefowl (G. sonneratii), Sri Lankan junglefowl (G. lafayettii) and the Javanese green junglefowl (G. varius) have also contributed genetic material to the gene pool of the modern chicken.
Unlike the red junglefowl, the male does not flap its wings before uttering the call. [10] They breed from February to May. [5] They lay 4 to 7 eggs which are pale creamy in a scrape. Eggs hatch in about 21 days. Although mostly seen on the ground, grey junglefowl fly into trees to escape predators and to roost.
The green junglefowl (Gallus varius), also known as Javan junglefowl, forktail or green Javanese junglefowl, is the most distantly related and the first to diverge at least 4 million years ago among the four species of the junglefowl. [2] Hybridization with domestic chicken has also been reported. [2]
Antarcticoolithus is an oogenus of large fossil eggs from the Maastrichtian part of the Lopez de Bertodano Formation of Seymour Island, Antarctica. The genus contains the type species A. bradyi, described by Legendre et al. in 2020. [1] The fossil egg, the first found in Antarctica, was discovered in 2011 by a Chilean team of researchers.
The egg chamber is kept at a constant 33°C by opening and closing air vents in the insulation layer, while heat comes from the compost below. Megapode chicks do not have an egg tooth ; they use their powerful claws to break out of the egg, and then tunnel their way up to the surface of the mound, lying on their backs and scratching at the sand ...