This program is designed to give students an introduction to the natural world through the eyes of native vertebrates. Ecological concepts such as adaptation, competition, and symbiosis come to life as students learn to see forest, lake, and meadow ecosystems as homes. The program culminates in an "all-species parade" as students transform themselves into the mammals, fish, birds, amphibians and reptiles of the Northeast.

Jewish teachings about the intrinsic worth of each species and the prohibitions of Tzaar Baalei Chayyim, in their development of an appropriate relationship with non-human creatures. Through their Brit Chayyot, a covenant with animals, students pledge to make both personal behavior changes and communal commitments to protect local animal habitats.