A Seal Visits Upper Manhattan, on the Sandy Banks of the Hudson River - NYTimes.com

We have had a lot of marine mammalia around lately.  Bonnie Frogma reported porpoises and seals frolicking with kayakers in the lower New York Bay.  In March we had a harp seal hanging out behind our house in Maine.  And now we've got a seal taking a break from the sea at the beach on the North (Hudson) River at Dyckman Street.
A Seal Visits Upper Manhattan, on the Sandy Banks of the Hudson River - NYTimes.com

Kayaking with porpoises and seals in New York Harbor

Vladmimir Brezina's slide show of kayaking in New York harbor with porpoises and seals.  the times they are a changin!!