Saw a post about ‘only 366 North Atlantic Whales left. Whales are big and easy to spot, but are these numbers really exact? Especially with animals who live in the oceans. Some time ago there was headline about a white rhino being the last of its kind. This makes sense for me, since it is a rhino, it is white , hard to miss if you look for it and this combination most likely only appears in a certain spot on Earth. Also in forests with many hiding spots you can probably use wildlife cameras for a rough number.