Ear tag for identifying animals, which consists of two parts comprising a maleelement, with a protrusion designed to pass, in the tag's operative position,through the cartilage of an animal's ear, and a female element (2), mutuallycouplable, leaving the tag suspended with room for manoeuvre, in the operativeposition, from the animal's ear by the protrusion of the male element, withone of the elements male or female having an electronic identification deviceencapsulated and lodged in a corresponding oblong receptacle (4), solidly joinedto the male or female part in which said device is fitted, forming a sharp angleof between 10° and 45° in relation to the horizontal plane, in the abovementionedoperative position of the tag.
