Many large grazing animals, such as rhinoceroses and buffaloes, form strange partnerships with small birds. These birds, cattle egrets and tick birds are carried about on the backs of larger animals. There, they perform an important service by eating ticks and fleas that otherwise would suck the blood from the animal and cause dangerous diseases. This type of partnership is called symbiosis. Elephant’s memory has been greatly exaggerated. It does remember many things, but the statement, ‘An elephant never forgets’, is not true. Some people used to think that elephants particularly remembered an injury, but this does not seem to be true either. Well-trained elephants can learn and remember about thirty spoken orders. Once they have learned these, elephants can be used as workers or as performers. They are gentle animals and do well at both jobs. Animals’ world is a really wonderful and amazing place to animals.

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