Blue Planet II is a documentary about Earth. One of the smartest fish I've met is also the cutest, I think. It's the pig-toothed fish.
Pigtooth fish is very smart, and other fish can only discard the food that cannot be opened. And they find food clams, using a natural processing table, and using the protrusions on the coral to smash the clams. As a pig-toothed fish without the assistance of both hands and only with its mouth open, it is really tiring to work!
One of these species has lived for thousands of years, but due to the melting of ice in recent years, their total number has become less and less! It's the walrus.
Walruses, with the dramatic changes in the marine environment that has remained stable for thousands of years, the sharp reduction of the ice area makes their survival more difficult, and they must find a safe place to rest for their children of more than 80 kilograms. But the reduction of the ice area, the peeping of the natural enemy polar bears on their children. Makes a mother often exhausted. No walrus is willing to move a little bit of space for them, because their babies also need rest. There are other walruses on every piece of ice that can carry the weight of a walrus. The mother walrus had to rely on her own great strength to compete with other walruses for territory - because her babies were tired from being in the water for so long.
Blue Planet 2 not only explains a beautiful blue planet to us, but also tells us that we must protect those wild animals and not capture or harm them.
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