As clarified in the comments, the dog statues are Paparazzi Dogs which have apparently travelled the world. They just arrived in Dumbo:
A cheeky play on the ever-present photographers shooting the iconic and picturesque streets of DUMBO and the equally present population of neighborhood dogs, DUMBO makes for an ideal location for this playful art.
They are for sale, $30K each…
Steve Fischer's Random Blog 
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