Tourmaline Sunangel

The tourmaline sunangel (Heliangelus exortis) is a species of hummingbird in the "coquettes", tribe Lesbiini of subfamily Lesbiinae. It is found in Colombia and Ecuador. == Taxonomy and systematics == The tourmaline sunangel is monotypic. However, at times it has been considered conspecific with the flame-throated sunangel (H. micraster). == Description == The tourmaline sunangel is 10 to 11 cm (3.9 to 4.3 in) long. Males weigh 3.5 to 8.5 g (0.12 to 0.30 oz) and females 4 to 5.2 g (0.14 to 0.18 oz). Their bill is blackish, straight, and of medium length. Both sexes have dark shining green upperparts and dusky gray underparts with round green spots. Their tails' central feathers are dark bronze and the others blackish. Adult males have a glittering green frontlet just above the bill, a dark purple-blue chin, and a glittering rosy pink gorget with a glittering emerald green border below it. Adult females lack the green frontlet, their chin is blackish, and their throat whitish with green to dusky speckles and sometimes a few glittering rosy feathers. Juveniles are like the adult female but the male has a white chin. == Distribution and habitat == The tourmaline sunangel is found in all…