Interesting work Flavio.
I have some questions and/or comments for you. ou may want to send via email if you choose.
1. The enclosures: Nice job. How big is the aquatic area, enclosure itself? depth?
2. With the saltwater croc photos. You raise your hand and say water. The croc appears to go.
My questions as a scientist are as follows:
1. Does the croc move towards the water when you don't say water and just move your arm?
2. Does the croc move towards water when you do neither behaviour?
3. What is the crocs behaviour when you do nothing at all?
You have some interesting work going on in this area.
I look forward to your answers.
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CDieter
'Reason, observation, and experience; the holy trinity of science.'