 In the absence of evidence of wild origin, they are not included in the CBRC list.This list is presented in the taxonomic sequence of the "Check-list of North and Middle American Birds", 7th edition through the 60th Supplement, published by the American Ornithological Society (AOS).Common and scientific names are also those of the "Check-list" The taxonomic sequencing of these bird species (as opposed to alphabetical) is done to more easily enable the identification of common traits between closely related species.