Nancy DeRoma of Natick takes her English bulldogs Gina, front, Lenny, left, and Norman for a walk in Natick's Dug Pond.   At home was Franky, her fourth English bulldog, who will only swim in Lake Cochituate.

Nancy DeRoma of Natick takes her English bulldogs Gina, front, Lenny, left, and Norman for a walk in Natick’s Dug Pond. At home was Franky, her fourth English bulldog, who will only swim in Lake Cochituate.