Our science and stewardship mission is to conserve our region’s biodiversity, while creating an environment for exceptional educational opportunities.

Biodiversity is the variety of life on earth, including plants, animals and microorganisms.

To keep our ecosystems healthy, we must commit to supporting the plants, animals, and other organisms that call them home.

Our preserve’s greatest threats

  • Overpopulated deer

    threaten the future of our forests

  • Invasive Species

    displace native populations of plants and animals

  • Chemical runoff

    alters wetland ecosystems and quickens lake fill-in

  • Climate change

    shifts natural cycles on both global and local scales

Learn more

Habitat protection & restoration

Learn more about what we do to improve the quality of our habitats to support biodiversity.

Wildlife management

Discover how our research is used to maintain wildlife and protect the future of our forests.

Research & Monitoring

At Teatown, our science research influences our stewardship work.

Regional Collaboration

We understand that partnership is key to a sustainable future. Learn more about our partnerships with local organizations.


Sea of Green

Sea of Green

We are now past the Summer Solstice which means summer is in full swing!  Looking around me as I drive to my hiking destination, I see a sea of green.  It is such a glorious color and it comes in a vast variety of shades!

3 ways to celebrate International Mud Day

3 ways to celebrate International Mud Day

If you think back to your childhood years, one of your memories may be of carefree summer days spent playing in the mud. Perhaps you made a mud pie fit for a king, an epic castle or just enjoyed the satisfying squelch of mud between your fingers and toes. International Mud Day on June 29 is a chance to reconnect with those childhood memories and introduce a whole new generation to the joys of messy play.