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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 sophisticated level of cognition.
Fishing techniques include hand-gathering, spearfishing, netting, angling and trapping. Recreational, commercial and artisanal fishers use different techniques, and also, sometimes, the same techniques. Recreational fishers fish for pleasure or sport, while commercial fishers fish for profit. Artisanal fishers use traditional, low-tech methods, for survival in developing countries, and as a ...
Shoaling and schooling. These powder blue tangs are shoaling. They are swimming somewhat independently, but in such a way that they stay connected, forming a social group. These bluestripe snapper are schooling. They are all swimming in the same direction in a coordinated way. In biology, any group of fish that stay together for social reasons ...
The African fish eagle is known to steal the catch of other bird species, a practice known as kleptoparasitism. Targeted species are usually large wading birds such as Goliath herons, hammerkops, and shoebills, as well as kingfishers, pelicans, ospreys, and other fish eagles, which usually hunt large fish and take a long time to handle them.
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Swarm behaviour, or swarming, is a collective behaviour exhibited by entities, particularly animals, of similar size which aggregate together, perhaps milling about the same spot or perhaps moving en masse or migrating in some direction. It is a highly interdisciplinary topic. [1]
This is a list of unmade and/or unreleased animated projects by The Walt Disney Company.These include feature films, short films, and television series/specials, stemming from Walt Disney Animation Studios, Pixar, Disney Television Animation, and other animation studios owned by The Walt Disney Company.
Sky and Water I is a woodcut print by the Dutch artist M. C. Escher first printed in June 1938. The basis of this print is a regular division of the plane consisting of birds and fish. Both prints have the horizontal series of these elements —fitting into each other like the pieces of a jigsaw puzzle —in the middle, transitional portion of the prints. In this central layer the pictorial ...