The black-capped chickadee (Poecile atricapillus) is a small, nonmigratory, North American songbird that lives in deciduous and mixed forests. It is a passerine bird in the tit family Paridae. It is the state bird of both Maine and Massachusetts in the United States, and the provincial bird of New Brunswick in Canada.
Machines that work out and build your butt muscles include the leg press machine, smith machine and hip extension. Traditionally, the squat has been the most common exercise for building the muscles in the lower body.
1 Body mass index (BMI) is a measure of relative size based on the mass and height of an individual. 2  The Quetelet Index was devised by Adolphe Quetelet, a Belgian mathematician, astronomer and statistician, in 1832. 3  It was later termed body mass index in 1972 by Ancel Keys.