Input (grade 10): The Loja Hummingbird (A. alticola), with less rufous to the underparts, is sometimes considered a subspecies of the Amazilia Hummingbird.
Output (grade 7): The Loja Hummingbird (A. alticola) has less tan-brown underparts. It is sometimes thought to be a subspecies of the Amazilia Hummingbird.