What it looks like:Black cap, bib against white cheeks, with a grey on the wings while the belly is light grey.
Behavior: They are a flocking species, but will widely separate themselves when feeding. They are curious birds that can also be described as acrobatic.
Size: Very tiny, about half the size of a Robin
Habitat: Urban and suburban yards or parks and forested areas
Song: “Chick-a-dee-dee-dee” and various whistled songs with high low high low patterns.
Diet: They will mostly feed on insects and spiders, but will readily use bird feeders to eat sunflower seeds, peanut chips, and suet.
Picture: Free to use (courtesy of wikipedia)