A term used to describe cross-breeding between sub-species. It is not considered as detrimental to future generations as hybridization of species.
A group of related species.
Cross-breeding two different species such as breeding a Pacific Parrotlet to a Green-rumped Parrotlet.
Refers to abnormal coloration that is a result of a genetic anomaly.
A term that is used to describe the primary or controlling species. Sub-species are compared to the nominate species to identify the sub-species differences.
Classification of animals that have physical and/or behavioural characteristics that are the same and live in the same geographical area.
A group of animals that are very similar to a particular species but have subtle differences in appearance and/or behaviour. They are also found in a different region.