The Yellow-capped pygmy parrot (Micropsitta keiensis), is a species of parrot in the Psittaculidae family. It is found in Papua New Guinea. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical mangrove forests, and subtropical or tropical moist montane forests. Like many parrots, this pygmy parrot is affectionate to its mate. It is currently unknown if they remain monogamous for life like many bigger parrots because of their isolated location, which is difficult to reach.