The Red-collared Myzomela is a small bird of New Guinea's mountains and feeds mainly on nectar.
It is about 10–13 cm long.
It is active by day and uses dense forest and shrubland. It feeds on nectar, with fruit also listed among its foods.
In the photographed adult male, the head and most of the body are black, with a vivid red band around the neck.
An extinction-risk assessment has not been added yet.