My patience was tested as upon arriving the bird was not in sight...then lightning immediately began and the skies darkened. After an intense downpour for 15 minutes I re-emerged from my car, and within moments the Little Gull returned from across the marsh. I first spotted the gull over by the radio station, which is located in Bergen County and then the bird came into Mill Creek Point Park which is located in Hudson County.
Here are some poor quality images that I digiscoped using my cellphone.
This image captures the black underwing of this species:
click on images to enlarge