If you follow a link from that latest Sentinel article, you get to an interesting database of recent python imports. Unfortunately there is no data older than 2004, but it still has a lot of info in it --
http://databases.sun-sentinel.com/news/broward/ftlaudpythons/ftlaudpythons_list.php
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0.1 Peruvian rainbow boa (Amaru)
2.0 Brazilian rainbow boas (Arco, Olho)
0.3 Honduran milksnakes (Chicchan, Chanir, Hari)
1.0 Thayeri kingsnake (Coatl)
2.7 corns (Cetto, Tolosa, Uce, TBA)
1,000,000.1,000,000 other critters


