Simplify the following text for a Grade 9 native English-speaking person.
Original: The Black-capped Chickadee ( Poecile atricapillus ) is a small , common songbird , a passerine bird in the tit family Paridae .
Simplified: The Black-capped Chickadee ( Poecile atricapillus ) is a passerine songbird of the family Paridae .