The grapevines are full of red tails, there are so many rabbits and field mice and squirrel they just have and endless supply to choose from. I have so many squirrel around my house and they are not the least bit afraid of people. When it get tough like this winter I tend to toss out a bunch of peanuts. Probably shouldn't do that but it gets me smiling watching them. I am sure the red tail like it to since it is easy picking for them ...