Forpus is a genus of neotropical parrots in the family Psittacidae. It is the only genus in the Forpini tribe of the subfamily Arinae.
Taxonomy
The genus Forpus was introduced in 1858 by the German zoologist Friedrich Boie. The type species was subsequently designated as the green-rumped parrotlet. The etymology of the genus name is unknown.
Because of similarities to their larger parrot relatives and their small size, Forpus birds are often called parrotlets.
Forpus parrotlets are relatively small birds. Species range between 11–14.5 centimetres (4.3–5.7 in) long and typically weigh 30–35 grams (1.1–1.2 oz).
Forpus species are sexually dimorphic. Most males are bright green or yellow-green, with bright blue markings on their wings, tails, rumps, and heads (location...
