Shadow is a 7-year-old border collie who came to HSMO’s Maryland ... Parker is a 1-year-old pit bull terrier mix who came to the Humane Society of Missouri’s Macklind Avenue headquarters ...

I often ran with a friend who brought his dog on our runs, which often took us through a park or in the foothills near our home. Mia, a border collie/blue heeler mix, would occasionally take off ...