Maine Animal Shelters - Pet Rescue & Adoption - Directory of animal shelters, humane societies and pet rescue groups with pets needing to be adopted. Find cats, dogs and other pets for adoption in Maine. These pets are located in various places such as Bangor, Augusta, Lewiston, Westbrook, Brunswick, Wells, Fryeburg, Rockland, Skowhegan, Caribou, Topsham, Waterville and more Maine towns.