Van Hasselt’s sunbird (Leptocoma brasiliana), is a species of bird in the family Nectariniidae. It is found in Northeast India, Bangladesh and Southeast Asia. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical mangrove forests.
It used to be considered a subspecies of the purple-throated sunbird.
In India it is was only then report by Dr. Vijay Anand in 2015 as first report of the Van Hasselt’s Sunbird in India. It was then in India due to the undivided India as the Sylhet District of now Bangladesh.
In India found in the Southern most part of Assam in Karimganj District. This birds usually feeds on nectars of flowers also smaller insects. Particullarly feeds on insects when feeding the young ones. A very beautiful bird, attractive medium-sized sunbird of lowland forests, from coastal scrub forests to inland evergreen forests. Male is black with an iridescent pink-red throat, a red belly, and a glistening blue-green crown. Female is extensively yellowish with a pale vent and a thin dark line through the eye. Purple-throated Sunbird is essentially identical, but ranges do not overlap. Female Plain-throated Sunbird can be similar, but is straighter-billed, with a darker head, and a faint pale ring around the eye.
Songs of this bird is pleasant to hear chirp chirp. and a very agressive when during matting season.