Yak - Wowpedia - Your wiki guide to the World of Warcraft
Reins of the Grand Expedition Yak - Wowpedia - Your wiki guide to the World of Warcraft
Yak Vendor in World of Warcraft – Owlaf's Blog
I like to stay on my yak mount until any nearby players are done repairing or using transmog. Waited for about 10 minutes because I wasn't really paying attention to who was