TonyD posted this a while back.



Hybrid - prodigy from captive breedings that cross species or generic lines. Example: Jungle corns.



Natural Hybrid - rare but naturally accruing prodigy from breedings that cross species or generic lines. Examples: red X yellow rats in GA.



Crosses - Prodigy from captive breedings that cross sub specific lines. Example: Apalachicola king X eastern king.



Integrade - Prodigy from natural breedings that cross sub specific lines. Example: classic blotched phase goini.



Locality specific - Any animal captive-bred or wc that has a credible claim to the local of original collection.



Purity - Big question mark here as the term is thrown around wily nily. An animal can be locality pure but not taxonomically pure as is the case with intergrades. The most defendable usage of the term that I've come across (in the context of captive breeding) is the "ability to pass a similar suite of characteristics along to the next generation." I think that most would agree that this is something that integrades, crosses and hybrids do not do.



A further note on locality specific is that "locality" has not been given a definition that is widely accepted either. The current, and in my opinion, arbitrary usage of political borders undermines the concept and habitat or geographical features that contribute to population distinctiveness might be better delineators. As an example, instead of Ocean and Burlingtom County NJ coastal plains milk snakes being two distinct localities they would fall under a single (NJ pine barrens) locality which would more accurately reflect natural distribution.
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