Copper-throated Sunbird

The copper-throated sunbird (Leptocoma calcostetha) is a small passerine within the Nectariniidae family. They sustain themselves by consuming nectar as well as small invertebrates. As a member of the Nectariniidae family, they possess downward curved beaks and have pectoral tufts of yellow feathers. They are found in south-eastern Asia, predominantly in coastal regions. == Taxonomy == The copper-throated sunbirds are within the Nectariniidae family, a grouping of sunbirds and spiderhunters. These birds are known for their nectarivorous diets, downward-curved beaks and colorful plumage. The copper-throated sunbird is within the small genus Leptocoma, which contains only 6 extant species. Leptocoma originates from the ancient Greek words leptos which means delicate or refined; and komē which means hair. In addition, the species name calcostetha originates from the words khalkos which means bronze; and stēthos which means breast. Sunbird species can be found in Africa, Asia and Australia. The current consensus is that sunbirds originated and speciated within Asia, and then spread to other continents over time. == Description == Copper-throated sunbirds are small sized birds ranging from 12.2–13 cm. A mature individual's wingspan averages 57.5mm, while their tails average 45.5mm. Adult males are predominantly black birds with contrasting shimmering green on their…