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When I was little, 15 y back, we had a bunch of those frogs jumping around where I live but these days you can't see any of them...who knows what happened, mother nature is changing I guess :) ( and changes are goooood) !

Hopefully it is not a bad sign. I do know that since amphibians (like frogs) absorb a lot of things through their skin so a decrease in their population can be a bad sign of environmental contamination or an increase in pollution sometimes too.

Hopefully...then again a few years later we had an invasion of grasshoppers. You simply could not walk or drive a car on the roads to not step on a bunch of them...crazy, right! Last years we starting to see some new type of flyes around here, never seen before. This year snow is all around my place which is so freaking unusual because we are living in a Mediterranean part of the world. My point is, nature is changing and those are big changes, maybe we are initiators, who can know!?!? Oh yes, sparrows are missing also this year :(