The opossums (Didelphidae) I’ve seen in New York are common opossums, the only marsupials in North America and Canada. I have seen two, both in Central Park. On November 27, 2015, one visiting the Ramble made it into a Silly Video.

Opossum, the Ramble, Central Park, November 27, 2015

Opossum, the Ramble, Central Park, November 27, 2015