Apologies for the poor quality of the pictures - the creature seems very shy and runs away when approached...
It is approx 2 inches long.
I hope someone would be able to help!
I'm pretty sure it is a cricket, but tricky for mortals to ID much further from your photos (I understand the problem).
However, gods like jaguarondi might be able to go a bit further [smiley]...
You have more confidence in me than I have :-) I agree, it's a proper cricket, family Gryllidae, I would say even field cricket (Gryllus sp. or very close), but not more than that. We had a similar enquiry last week and the real experts (Orthoptera curators) couldn't tell what species it was even with a specimen in hand. I think an ID to species is beyond possible from just photos.