indication

Almost every female is carrying an infant, an indication that life is comparatively easy up here.

Maybe we can just read the complexity as an indication that we shouldn’t be here.

Anything less is we might generalise a strong indication of something else.

If they don't find mayflies at all, it's usually an indication that something is wrong.

To me, what's interesting, weapons is just one indication of this.

How and what exactly sperm whales communicate to each other is currently unknown, but there are indications that the information can be sophisticated.