The noises from the place mad it sound like a forest of lost kitties.
Those were distinct meow sounds.
Of course, those were note kittens. In facts puppies and kittens and other pets are not allowed to go into the Marblehead Neck Wildlife Sanctuary.
The noises were made by catbirds.
One of them is on the photo. He was sitting on the branch and greeted me with meow statement:
“Howdy, Chidlovski Blog Chidlovski!”
In his language it sounded shorter and more dramatic: