Shocker: Sheep Dog mauls toddler:
http://www.dailymail.co.uk/news/article-1310813/Toddler-needed-200-stitches-attack-grandparents-timid-collie.html
They're one of the breeds on the "top 10 aggressive dogs list"
Of all the dogs I've ever encountered [and they are legion] the *only* dog who ever tried to bite me was a Border Collie.
Imagine that.