The common or parakeet calancate Blue Crown (Aratinga acuticaudata) is a member of the genus Aratinga widely distributed in South America. Dispatched from northern Argentina to southeastern Colombia.

Blue-Crowned Parakeets
Thectocercus acuticaudatus
Species
Thectocercus acuticaudatus
Order
Psittaciformes
Family
Psittacidae
Danger of Extinction
Amenazada (vulnerable)

Features
Features:
It is one of the largest specimens of the genus Aratinga, measuring approximately 37 cm long with a weight between 140 and 190 g. They are predominantly green with bluish discoloration of the head, crown, cheeks and ears.
Customs, food and habitat:
Customs, food and habitat:
The breast feathers can be dyed blue but is more common to be green or yellowish-green. The tail feathers are green end red and brown to brown on the underside. His legs are a pinkish brown with brown gray nails.
Curiosities
Curiosities:
The upper jaw is colored with blackish gray dots in adults and it is the lower jaw in juveniles, reaching to blackish gray second year of life.