posted on Jan, 13 2011 @ 06:50 PM
Who knows what happened to them to do this, perhaps they were sick and in pain, or maybe they didn't realise what they were doing.
Imo, on the mysterious cases and not the frogs or the dinos, it will be that they were afraid of something, so they ran without realising that they
would end there life. Afraid can also be lost, not knowing what to do.
Or just the one following the other theory, where there is one animal that does something stupid, and the rest does the same.