The River Otter's Remarkable Comeback

A similar thing happened here in Singapore. Otters were endangered, but after the government worked to clean up the waterways, they came back. They are now thriving, to the point where my condo has signs up saying “What to do when you encounter otters” [0] because occasionally they come in and raid our fish pond.

[0] https://imgur.com/a/pLH5gNj

This is one of the most hopeful and exciting things I've read in years.