As a member of the Nectariniidae family, they possess downward curved beaks and have pectoral tufts of yellow feathers.

They boast a down-curved black beak and yellow pectoral tufts which is concealed beneath the wing; both of which are shared traits by many other species in the Nectariniidae family.

[2][6] They can be found in Singapore, Vietnam, Malaysia, the Philippines, Myanmar, Cambodia and western Indonesia (i.e. Java Island).

[7] Unlike their convergently evolved counterpart, the hummingbird, sunbirds have the ability to hover imperfectly long enough to consume nectar.

[3] The only dietary preference documented for the copper-throated sunbirds is nectar from Bruguiera; a class of plants within the Rhizophoraceae family which can be found in mangroves in Africa, Asia and Australia.

By traveling between multiple different flowers, they bring pollen straight to other female sexual organs which causes the plant to become fertilized.

The nest is loosely woven into a pear-shaped structure using fine grass, fibers and hairs, rendering it camouflaged with the bark and leaves.

Occasionally, the parents build decoy nests, most likely to confuse predators and brood parasites such as cuckoos.

Cuckoo species are brood parasites that often target sunbirds nests in Eastern Asia and Africa.

[7] Their songs are a melodious trill of fluctuating notes, sounding almost squeaky, broken up by brief pauses and a single sharp squeak.

[2] The copper-throated sunbird was classified as a species of least concern by the International Union for Conservation of Nature in October 2016.