>> Somebody did a cost analysis on that and shut them down real quick.

Actually, no. The rule was in the planning stages for about two years, and had made it all the way through to the "final rule" stage. It was only stopped in the last two weeks, after the APA and private owners found out about it.

I thought it was one of those crazy rumors too, until I read it on the FWS site.
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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