Dachshunds were originally bred to help hunters capture den-dwelling animals like rabbits and badgers. That's why they're so short: the shorter they are, the easier it is to make those tight squeezes.

Remove excess bird seed on the ground that may be attracting mice to your yard, which in turn attracts coyotes. Haze, or scare, coyotes out of your yard. Coyotes are naturally wary of people.