Quincy walkers find signs of spring along St. Moritz Pond in Blue Hills.

What to do about pesky beavers at Tripp Pond? Beavers are still active in Mud Pond, which is adjacent to Tripp Pond, and it's only a matter of time before they return to Tripp.

Beavers have become established in Boulder Canyon. Dave Hoerath, wildlife biologist with Boulder Parks and Open Space, told me that they have been aware of beavers in Boulder Canyon for about 10 years ...