Because You Live Here!

Why Join EARTH Limited?

Want to help the planet, conserve wildlife, and educate yourself and others about the amazing animals that live in the zoo?

Well then it sounds like you need to join EARTH Ltd!

When you become an EARTH Ltd. member, you help to make sure our foundation can continue to provide quality educational opportunities for zoo visitors and the larger community. Education is key; the more we can spread the word about conservation and endangered species, the more people will be compelled to take much needed action on behalf of our planet. So if you want to help take care of Mother Earth and all of her animals, then join EARTH Ltd. today!

Your Membership Supports:


International and local conservation projects

Community outreach, including the ZooMobile Program

Internship programs

Member appreciation nights

Educational programming at Southwick’s Zoo

Ongoing behavioral research

Rhino encounters

Docent/Volunteer Program

Ready to Purchase your Membership?


You can purchase or renew you membership at:

  • The Zoo (at the EARTH Discovery Center or the membership desk at the entrance)
  • Over the phone by calling the EARTH Ltd. Discovery Center at: 1-800-258-9182 ext 208
  • Online by clicking the button below

*Online memberships are NOT complete until you receive your key tag in-person at the membership desk at Southwick’s Zoo during your first visit

Member Benefits


EARTH Ltd is a non-profit organization, and we rely on proceeds from memberships, fundraisers, and donations to run our education programs. Members of EARTH receive the following benefits:

All membership proceeds go directly to the funding of our education programs, projects, research, and events.

*Memberships must be renewed every 12 months.
*Each member receives their own card. Membership cards cannot be shared with other individuals.

Visit us


Located at Southwick's Zoo

2 Southwick Street, Mendon, MA

Call us


Phone: (800) 258-9182



Monday-Friday: 9:00am – 5:00pm

Located at Southwick’s Zoo

2 Southwick’s Street

Mendon, MA 01756



Contact Us!