Catoctin Wildlife Preserve and Zoo: Thurmont. Over 350 exotic animals on 26 beautiful acres. Membership, party, group visit, adopt-an-animal, volunteering and event information.
National Aquarium in Baltimore: Visitor information, aquarium map, exhibit descriptions, education program summary, animal photos and descriptions, research and conservation project information, and online interactive aquagames.
Plumpton Park Zoo: Rising Sun in Cecil County. Includes visitor information, zoo map, and list of animals with photos.
Salisbury Zoo: Admission, hours of operation, directions, zoo map and animal photos.
The Maryland Zoo in Baltimore: 2000 animals including a children's zoo. General information, special events, exhibit overview, zoo map, education program summary, conservation information and online quizzes.