North Pacific humpback whale numbers fall by 20%, but some scientists aren’t worried yet

A sprawling international study of humpback whales in the northern Pacific has found their population has shrunk significantly since 2012 — despite the once-endangered species’ remarkable comeback from the brink of extinction.  The new research, published in Royal Society Open Science journal on Wednesday, estimated a roughly 20 per cent drop in the cetacean species’ numbers … Read more