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The eye is 27 cm (10 + 1 ⁄ 2 in) wide, with a lens 12 cm (4 + 1 ⁄ 2 in) across. This is the largest eye of any known animal. [30] These measurements are of the partly collapsed specimen; alive, the eye was probably 30 [31] to 40 cm (12 to 16 in) across. [57] Inspection of the specimen with an endoscope revealed ovaries containing thousands ...
Nocturnal animals (for example, tarsiers) and animals that live in open landscapes have larger eyes. The vision of forest animals is not so sharp, and in burrowing underground species (moles, gophers, zokors), eyes are reduced to a greater extent, in some cases (marsupial moles, mole rats, blind mole), they are even covered by a skin membrane.
The tapetum lucidum, in animals that have it, can produce eyeshine, for example as seen in cat eyes at night. Red-eye effect, a reflection of red blood vessels, appears in the eyes of humans and other animals that have no tapetum lucidum, hence no eyeshine, and rarely in animals that have a tapetum lucidum. The red-eye effect is a photographic ...
What is another name for a gnu? Answer: Wildebeest. When traveling in groups, this animal is referred to as a “mob.” Answer: Kangaroo. Among all the venomous snakes, this reptile is the longest.
They added that a 55-foot (17 m) specimen, such as the one reported from Thimble Tickle, [nb 9] "would have weighed 29 1 ⁄ 4 or 30 tons [26.5 or 27.2 tonnes] including the tentacles—a truly noble animal, being a little more than one-fifth the weight of the largest whale and larger than the whale sharks and basking sharks, the largest of all ...
The dentition was relatively small with robust tooth crowns and the lateral area of the cranium was almost entirely occupied by the animal's massive eyes that gave the genus its name. The proportionally large eyes of Ophthalmosaurus measured 22–23 centimetres (8.7–9.1 in) in diameter at the outer margin of the bony sclerotic ring, while the ...
The ostrich has the largest eye of any land vertebrate, with an axial length of 50 mm (2.0 in), twice that of the human eye. [1] Bird eye size is broadly related to body mass. A study of five orders (parrots, pigeons, petrels, raptors and owls) showed that eye mass is proportional to body mass, but as expected from their habits and visual ...
The bivalves have only three pairs of ganglia—cerebral, pedal, and visceral—with the visceral as the largest and most important of the three functioning as the principal center of "thinking". [ 38 ] [ 39 ] Some such as the scallops have eyes around the edges of their shells which connect to a pair of looped nerves and which provide the ...