- MGL c.131, s.23: Licensing requirements for fish, birds, reptiles, mammals and amphibians
- MGL c.131, s.77A: Wild canine and felid hybrids
- 321 CMR 2.12: Artificial Propagation of Birds, Mammals, Reptiles, and Amphibians.
- 321 CMR 9: Exotic Pets Exemption List. Lists "species which are exempt from the licensing provisions of MGL c. 131, § 23. This list includes wild (i.e., non-domesticated) vertebrate animals which may be imported, sold or possessed without a permit."
More information on animals in Massachusetts is available at Mass. Law About Animals.