Orangutan said:CanonFanBoy said:So I agree, my flash isn't nature. Nature is far more harsh and yet, the Turkeys survive. Nature has been busting Turkey roosts for millennia.
I would guess that turkeys, and other wildlife, would have evolved to shelter in a storm, and not to look directly at lightning. I would guess that they have not evolved to recognize a Speedlite with a Beamer, and so would not be so prepared when the light strikes them directly in the eyes. That said, I think there's a big difference between using fill flash at dawn/dusk and using full-power in the dark.
It's entirely possible that you're correct, that flashes don't hurt most/all wildlife. I prefer to err on the side of not doing harm until I hear of a consensus of wildlife biologists that it's so. It's possible to make all sorts of false inferences from simplified principles of evolution.
Well, Turkeys don't know ahead of time when a lightning flash is coming and when to look away. They don't when a flash with a beamer is either. But if lightning doesn't blind them, neither does a speedlight. Speedlights just are not that powerful. We don't need a biologist to tell us that.
Turkeys stay in the roost during storms unless they are scared from the roost by thunder.
The fact remains that speedlights don't bust Turkey roosts and that Turkeys aren't wiped out when thunder scares them down either... which is what takesome1 alleged.
Now, I wish somebody could scrounge up a video of Turkeys flying down from the roost and getting "wiped out" because a photographer flashed them.
By all means do what your conscience dictates. You are on the right track. I can't disagree with your opinion one bit.
I just don't buy takesome1's frightful warning that turkeys are wiped out when scared off the roost by thunder and that speedlite flash must be just as detrimental.
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