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The sugar glider is nocturnal; its large eyes help it to see at night and its ears swivel to help locate prey in the dark. The eyes are set far apart, allowing more precise triangulation from launching to landing locations while gliding. [26] Each foot on the sugar glider has five digits, with an opposable toe on each hind foot.
Collective animal behaviour is a form of social behavior involving the coordinated behavior of large groups of similar animals as well as emergent properties of these groups. This can include the costs and benefits of group membership, the transfer of information, decision-making process, locomotion and synchronization of the group.
In animals with forward-facing eyes, the eyes usually move together. The grey crowned crane , an animal that has laterally-placed eyes which can also face forward Eye movements are either conjunctive (in the same direction), version eye movements, usually described by their type: saccades or smooth pursuit (also nystagmus and vestibulo-ocular ...
When a photon is absorbed by the chromophore, a chemical reaction causes the photon's energy to be transduced into electrical energy and relayed, in higher animals, to the nervous system. These photoreceptor cells form part of the retina , a thin layer of cells that relays visual information, [ 29 ] including the light and day-length ...
To produce separate signals, individual prey must be about five body widths apart. If objects are too close together to be distinguished, they will form a blurred image. [38] Based on this it was suggested that schooling may confuse the ESS of predators. [34] A third potential anti-predator effect of animal aggregations is the "many eyes ...
The eyes of an animal with monocular vision are positioned on opposite sides of the animal's head, giving it the ability to see two objects at once. This is usually most commonly seen with prey animals, as the reason why their eyes are placed on either side of their head is to make it easier for them to look out for predators, which usually ...
Here are safari parks, animal sanctuaries, wildlife centers and, yes, national and state parks and refuges in the U.S. and Canada, where you can get up close and personal with lions, tigers, bears ...
Cephalopod (like in octopuses and squid) and vertebrate eyes are both lens-camera eyes with much overall similarity, yet are very unrelated species. A closer examination reveals some differences including embryonic development , extraocular muscles , number of lens parts, and the lack of a retinal blindspot in the cephalopod eye.