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Indian cobras are oviparous and lay their eggs between the months of April and July. The female snake usually lays between 10 and 30 eggs in rat holes or termite mounds and the eggs hatch 48 to 69 days later. The hatchlings measure between 20 and 30 centimetres (8 and 12 in) in length.
All 39 snake taxa [1] that are known to naturally occur in Indiana [2] [3] are tabulated below, along with their population ranges in the state, [4] [5] conservation status, [6] [7] and level of danger they pose to humans (upon biting them). [4]
The monocled cobra has an O-shaped, or monocellate hood pattern, unlike that of the Indian cobra, which has the "spectacle" pattern (two circular ocelli connected by a curved line) on the rear of its hood. The elongated nuchal ribs enable a cobra to expand the anterior of the neck into a “hood”. Coloration in the young is more constant.
Rarely do individuals lack both the ventral and neck band coloration, so the use of those two characteristics is the simplest way to distinguish the species. [6] Size also varies across the species' distribution. Typically, adults measure 25–38 cm (10–15 in) in length, [6] except for D. p. regalis, which measures 38–46 cm (15–18 in). [7]
The only living mammals that lay eggs are echidnas and platypuses. In the latter, the eggs develop in utero for about 28 days, with only about 10 days of external incubation (in contrast to a chicken egg, which spends about one day in tract and 21 days externally). [11] After laying her eggs, the female curls around them.
The eastern coral snake or American cobra (Micrurus fulvius), which also does not rear upwards and produce a hood when threatened [4]: p.30 The false water cobra (Hydrodynastes gigas) is the only "cobra" species that is not a member of the Elapidae. It does not rear upwards, produces only a slight flattening of the neck when threatened, and is ...
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The females, which lay 8–40 eggs (average about 25) in June or early July, do not take care of the eggs or young. The eggs, which measure about 33 mm × 23 mm ( 1 + 1 ⁄ 3 in × 1 in), hatch after about 60 days, from late July to September.