Complex sentence: It is a bright multicolored bird, named for its cap, which is a deep chestnut; a medium orange, narrow collar on the upper back borders the chestnut cap and ends at the side of the neck in a spot.
Split into simpler sentences: It is a bright multicolored bird, named for its cap, which is a deep chestnut. A medium orange, narrow collar on the upper back borders the chestnut cap and ends at the side of the neck in a spot.