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Adults of I. braminus measure 2–4 inches (5.1–10.2 cm) long, uncommonly to 6 inches (15 cm), making it the smallest known snake species. The head and tail are superficially similar as the head and neck are indistinct. Unlike other snakes, the head scales resemble the body scales. The eyes are barely discernible as small dots under the head ...
Anilios endoterus is a terrestrial subterranean species of burrowing snake that has a worm-like appearance. [6] Like many other snakes in the Typhlopidae family, the eyes of the interior blind snake are vestigial and appear like small, dark eye-spots under the scales of their head [6] and are mainly used to detect light.
The common name of Scolecophidia, blind snakes, is based on their shared characteristic of reduced eyes that are located under their head scales. [14] These head scales are found in all snakes and are referred to as spectacles, but within this infraorder, they are opaque, resulting in decreased visual capabilities. [ 3 ]
The nictitating membrane of a masked lapwing as it closes over the left eye, originating from the medial canthus. The nictitating membrane (from Latin nictare, to blink) is a transparent or translucent third eyelid present in some animals that can be drawn across the eye from the medial canthus to protect and moisten it while maintaining vision.
All species in the family Typhlopidae are fossorial and feed on social fossorial invertebrates such as termites and ants. The tracheal lung is present and chambered in all species. One species, the Brahminy's blind snake, is the only unisexual snake, with the entire population being female and reproducing via parthenogenesis.
Rena humilis, known commonly as the western blind snake, the western slender blind snake, or the western threadsnake, [4] is a species of snake in the family Leptotyphlopidae. The species is endemic to the southwestern United States and northern Mexico. Six subspecies are currently recognized, including the nominate subspecies described here. [4]
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Kitaoka has created numerous variants of the PDI, and one called "rotating snakes" has become very popular. The latter demonstration has kindled great interest in the PDI. The illusion is easily seen when fixating off to the side of it, and then blinking as fast as possible. Most observers can see the illusion easily when reading text with the ...