My buddy visits time-to-time, brings his red heelers, when they first get hear they're very excited, they'll try to herd my birds; a little scary at first, god w/ teeth moving quickly towards chicken, but figured it out, trying to herd, not hurt;; worries the chickens a little I expect, but...
Used to keep a goat in pen w/ chickens, really just to maximize the space, but seem to keep predators away; Here in California's Central Valley that's dogs, cats and cayotes, mostly;
Chickens liked it, they would use the goat as a ladder to get over fence: up on the goat, pause, up to the...