How to pronounce “ecological niche” in English

You could speculate that some other creature came into the ecological niche that the cod occupied, and now the cod can't get going again.

That's when the mammals took over their ecological niche of small- and medium-sized animals.

for a very specialized, extremely narrow ecological niche in the Arctic.

So there's lots of signage going up, helping people to understand species by species how things fit, even like prairie dogs, in the ecological niche.