Violet Sabrewing

The violet sabrewing is the largest hummingbird of Mexico and Central America. It is 13 to 15 cm (5.1 to 5.9 in) long and weighs 9 to 12 g (0.32 to 0.42 oz). Both sexes have a black bill, though those of subspecies C. h. mellitus are longer than the nominate's. Males of the nominate subspecies have a dusky crown with a bluish green gloss. Their nape and upper back, face, and underparts are metallic violet blue that is somewhat bluer on the belly. Their lower back and uppertail coverts are metallic green. Voice: The violet sabrewing's song has been described as "cheep tsew cheep tik-tik tsew cheep ..., high-pitched, piercing and ventriloquial" and as "varied, loud, sharp chipping and warbles, often punctuated with fairly shrill, slightly explosive notes". Its calls are "high, sharp chippering", "prolonged, hard chipping", and "single sharp chips given in flight."