I can't even walk my dog around the complex without having to worry about one or more geese attacking my dog. My weekend neighbor has a Portugese Water Dog who has a strong prey drive. I have 30-something geese that wander around the farmhouse here. So my apartment complex is littered with geese. A Canada goose's surprise-attack on a high school golfer in Michigan is the latest example of the testy relationship between the birds and we humans.. While a dog needs to be fed every day, geese are grazers, and prefer to get most of their calories from grass when it’s plentiful. Well I had my first dog attack one of my geese. Easy To Keep. He was loading him into the crate in … Its a huge complex and there are easily 100+ geese in the complex. The biggest wild geese only grow to roughly 9 pounds, whereas domestic geese have a lot more girth behind their punch, weighing in at up to 22 pounds. He is very concientious of this and the dog is always leashed. Dog owner describes goose attack that cost pet his eye Video: Dog owner describes goose attack that cost pet his eye “He was on top of Rocky before I could even do anything,” she said. He's a 5 month old shiba puppy, and there have already been 3 instances where they've tried to attack him.