If you are on about the blue one, it is a name-tag that I got put on him for the sake of it. Not that I’d confuse him with any others, just I think it’s nice. He has a yellow ID tag on the same ear (those ones are actually required) so that might be making the blue one look funny in the video or something. He has an electronic one on the other ear (see here) too. I hope that answers your question, if not please tell me 👍