An elephant may appear to be able to ‘count’ simply by using its sense of smell, suggests a new study, that reveals that the pachyderms can judge food quantity merely by using their sense of smell, the first time an animal has been shown to do this.

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An elephant may appear to be able to ‘count’ simply by using its sense of smell, suggests a new study, that reveals that the pachyderms can judge food quantity merely by using their sense of smell, the first time an animal has been shown to do this.