The researchers used stuffed dummies of two predatory types in order to provoke a reaction from the birds. (sciencedaily.com)
But if your dog is gentle and friendly, and he's not a squirrel - chasing predatory type, he may be a good candidate for successfully living with a cat. (happydogtrain.com)
Redirecting him with another high value predatory type toy, such as a fuzzy squeeky toy you keep in your pocket for just such occasions could also help. (dogpsychologistoncall.com)