Ref ID | Type | Author | Date | Title |
704
| Book | Cardoza, J.E., G.S. Jones, T.W. French, and D.B. Halliwell. | 1993 | Exotic and translocated vertebrates of Massachusetts. Fauna of Massachusetts Series No. 6. |
25944
| Database | Ueda, K., J. Belmonte, A. Shepard, P. Leary, and S. Loarie. | 2021 | iNaturalist.org |