The Layard's Parakeet (Psittacula calthropae) is a parrot which is a resident endemic breeder in Sri Lanka. It undergoes local movements, driven mainly by the availability of the fruit, seeds, buds and blossoms that make up its diet. Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Phyla Porifera (sponges) Ctenophora (comb jellies) Cnidaria Placozoa Bilateria  Acoelomorpha  Orthonectida  Rhombozoa  Myxozoa  Superphylum Deuterostomia     Chordata (vertebrates, etc. ... Typical Classes Subphylum Urochordata - Tunicates Ascidiacea Thaliacea Larvacea Subphylum Cephalochordata - Lancelets Subphylum Myxini - Hagfishes Subphylum Vertebrata - Vertebrates Petromyzontida - Lampreys Placodermi (extinct) Chondrichthyes - Cartilaginous fishes Acanthodii (extinct) Actinopterygii - Ray-finned fishes Actinistia - Coelacanths Dipnoi - Lungfishes Amphibia - Amphibians Reptilia - Reptiles Aves - Birds Mammalia - Mammals Chordates (phylum Chordata) include the vertebrates, together with... For other meanings of bird, see bird (disambiguation). ... Families Cacatuidae Psittacidae Loriidae The order Psittaciformes includes about 342 species of bird which are generally grouped into two families: the Cacatuidae or cockatoos, and the Psittacidae, the parrots. ... For the runtime engine for Perl 6, see Parrot virtual machine. ... Species Psittacula is a genus of parrots. ... In biology, binomial nomenclature is a standard convention used for naming species. ... Edward Blyth (December 23, 1810 - December 27, 1873) was an English zoologist. ... Genera A parrot is any of the many birds belonging to the family Psittacidae. ... This article is about the ecological meaning of endemic. See also endemic (epidemiology). ...

Layard's Parakeet is a bird of forests, particularly at the edges and in clearings, and also gardens. It is locally common. It nests in holes in large trees, laying 3-4 white eggs.

This is a green parrot, 29 cm long with a tail up to 13cm. The adult has a bluish-grey head and back, separated by a green collar. There is a broad black chin stripe and the tail is blue tipped yellow. The upper mandible of the male's bill is red, and the lower mandible is brown.

The female is similar, but has a black upper mandible. Immature birds are mainly green, with a dark red bill.

Layard's Parakeet is less gregarious than some of its relatives, and is usually in small groups outside the breeding season, when it often feeds with Brahminy Starlings. Its flight is swift and direct, and the call is a raucous chattering. Binomial name Sturnus pagodarum (Gmelin, 1789) The Brahminy Starling, Sturnus pagodarum, is a member of the starling family of birds. ...

Reference

• Birds of India by Grimmett, Inskipp and Inskipp, ISBN 0-691-04910-6