On the east coast peafowl are found, and throughout the interior the argus pheasant, the firebacked pheasant, the blue partridge, the adjutantbird, several kinds of heron and crane, duck, teal, cotton-teal, snipe, wood-pigeon, green-pigeon of several varieties, swifts, swallows pied-robins, hornbills, parakeets, fly-catchers, nightjars, and many other kinds of bird are met with frequently.
Finsch published at Leiden an elaborate monograph of the parrots, 4 regarding them as a family, in which he admitted 26 genera, forming 5 subfamilies: (I) that composed of Strigops (Kakapo), only; (2) that containing the crested forms or cockatoos; (3) one which he named Sittacinae, comprising all the long-tailed species - a somewhat heterogeneous assemblage, made up of Macaws and what are commonly known as parakeets; (4) the parrots proper with short tails; and (5) the so-called "brush-tongued" parrots, consisting of the LoRIES (q.v.) and Nestors.
The avifauna of Mexico includes most of the species of the tropical and temperate regions of America - such as parrots (chiefly the yellow-headed Chrysotis), parakeets (Conurus canicula), macaws (Ara macao and A.
Caymans, water-hogs (capinchos), several kinds of deer (Cervus paludosus the largest), ounces, opossums, armadillos, vampires, the American ostrich, the ibis, the jabiru, various species popularly called partridges, the pato real or royal duck, the Palamedea cornuta, parrots and parakeets, are among the more notable forms. Insect life is peculiarly abundant; the red stump-like ant-hills are a feature in every landscape, and bees used to be kept in all the mission villages.
There may also be mentioned 21 cuckoos, I cockatoo, 20 parrots and parakeets, 20 woodpeckers, barbets, broadbills, starlings, orioles, weaver-finches, larks, nuthatches, 28 beautifully coloured sun-birds, and 23 flower-peckers, titmice, shrikes, swallow-shrikes, tailor-birds, thrushes, fruit-thrushes, fairy blue-birds, fire-birds, 42 fly-catchers, 4 swallows, and 5 species of most beautifully coloured ant-thrushes, as well as a large number of birds for which English names cannot be readily supplied.