>>The difference I see is a croc may drop parts of prey into the nest purposly or not where eggs would then get the sent and over time offspring may have developed some way of using this as indication of the most common prey in their range but a snake egg would not encounter anything being burried in tight quarters



That's a good thought. However, this same effect has been demonstrated even in fish and amphibians. It's not something that depends on a lot of deliberate maternal behavior.



>>question thou, did they sent with urine, sweat/hair/ skin, or blood...I wonder what would happen if we brushed mouse pee on hognose eggs, that would thrill the hog breeders, Hmmmm....



I dunno what they used in the croc study -- maybe somebody could look up the full text. There have been various scents used in other species. In the chicken study, they used strawberry scent. For snakes, I think maybe used rodent nesting material or a skinned rodent? It's something to think about!
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0.1 Peruvian rainbow boa (Amaru)

2.0 Brazilian rainbow boas (Arco, Olho)

1.3.1 Honduran milksnakes (Chicchan, Chanir, Hari)

1.0 Thayeri kingsnake (Coatl)

0.0.1 Mexican black kingsnake (TBA)

2.7 corns (Cetto, Tolosa, Uce, TBA)

1,000,000.1,000,000 other critters

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