A MUTE SWAN rises up to launch an attack on an unsuspecting rival swan that crossed into his territory on Lake Quannapowitt. (Maureen Doherty Photo)

A MUTE SWAN rises up to launch an attack on an unsuspecting rival swan that crossed into his territory on Lake Quannapowitt. (Maureen Doherty Photo)

Published in the May 31, 2017 edition