The family of mayor-elect Bill de Blasio is moving into Gracie Mansion for “logistical and security concerns.” The de Blasios promise to visit Park Slope, Brooklyn, where they occupy a “modest three-story townhouse,” as often as they can.

This morning, a fuzzy baby seal swam up to the rocks behind Gracie Mansion, the official residence of New York City's mayor (though Michael Bloomberg doesn't live there), and sunned itself on a rock. Needled for pictures, the mayor's office eventually tweeted a photograph of the uninvited occupier.

The new owner of the New Jersey Nets, Mikhail Prokhorov, having breakfast at Gracie Mansion with Mayor-for-Life Michael Bloomberg and Shawn Carter of the Bed-Stuy Carters. Image via AP

From "Mayors Discuss Efforts on Gun Crimes," a Times article by Sewell Chan reporting on the meeting Mayor Bloomberg organized at Gracie Mansion today, in which 15 big-city mayors pledged to work together to reduce gun trafficking and gun crimes: