Human voices can scare top predators in ecosystems

The results from this indicates that maybe having large tracts of wilderness isn't quite enough for healthy ecosystems, but that there actually needs to be *remote, unpopulated* tracts of wilderness, in addition to more restrictions on where and when people can travel and stay in protected areas. I'm also curious about whether this effect is also seen in places like Africa, where large predators pose more of a threat to people and where they have been living alongside humans over a much longer timeframe.
 
From this article, animals fear human voices only if they are hunted (legally or not).

This is an example of hunting acting as habitat destruction: hunted animals avoid humans in general, so large areas of landscape become unavailable for them. Similar observations were made with waterbirds in the Netherlands.
 
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