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A crab-eating macaque using a stone. Tool use by non-humans is a phenomenon in which a non-human animal uses any kind of tool in order to achieve a goal such as acquiring food and water, grooming, combat, defence, communication, recreation or construction. Originally thought to be a skill possessed only by humans, some tool use requires a ...
Cats that were favored pets during the Chinese Song Dynasty were long-haired cats for catching rats, and cats with yellow-and-white fur called 'lion-cats', who were valued simply as cute pets. [ 20 ] [ 21 ] Cats could be pampered with items bought from the market such as "cat-nests", and were often fed fish that were advertised in the market ...
Cats communicate through vocalizations, body language and behaviors, forming strong bonds with their human owners. Owners provide the food, shelter, and medical care, while play and enrichment activities stimulate their physical and mental well-being. Despite their independent nature, cats enjoy human company and require understanding of their ...
Fish locomotion. Fish locomotion is the various types of animal locomotion used by fish, principally by swimming. This is achieved in different groups of fish by a variety of mechanisms of propulsion, most often by wave-like lateral flexions of the fish's body and tail in the water, and in various specialised fish by motions of the fins.
The top and bottom images produce a dent or projection depending on whether viewed with cross- () or wall- () eyed vergence. An autostereogram is a two-dimensional (2D) image that can create the optical illusion of a three-dimensional (3D) scene. Autostereograms use only one image to accomplish the effect while normal stereograms require two.
In the case of pet domestic cats, humans normally provide them with purchased, human-made toys such as toy mice, bird or feather toys, or toy insects. These may be suspended from a string attached to a wooden or fishing-style rod designed to simulate lifelike activity in the toy, triggering the cat's predatory instincts – this game is known ...
Pterois antennata, by Chmehl. Red lionfish, by Jens Petersen. Dried seahorse used in traditional Chinese medicine, by Digon3 (edited by John O'Neill) Great white shark, by Pterantula (edited by Althepal) Oscar, by Jón Helgi Jónsson. Pennant coralfish, by Fir0002. Camouflaged flounder, by Moondigger.
Aquascaping is the craft of arranging aquatic plants, as well as rocks, stones, cavework, or driftwood, in an aesthetically pleasing manner within an aquarium —in effect, gardening under water. Aquascape designs include a number of distinct styles, including the garden-like Dutch style and the Japanese-inspired nature style. [1]