#MigratingBird# I just finished analyzing a documentary, and I really couldn't calm down and enjoy it. There are also those who are impressed, but I know I can't remember them for too long, so I admire people who like to watch documentaries even more. Twice a year, hundreds of thousands of kilometers each, and only a fraction of the journeys are successful. To avoid predators and grow up safely, their living environment is too harsh. The moment I saw the horses running, I suddenly felt that this kind of galloping horses was not as bold as the ancients said, they were just ordinary beings who lived in groups and could not be left behind. But we always love to stick labels, it is not enough to stick to the same kind, but also to stick to other species, it is really sinful enough. Like us, they have quarrels and warmth, and grow up under the care of their parents. There is one place in the film that I particularly like. When the other birds are only accompanied by their mothers, there is a lucky one who eats bugs caught by his father, and his mother is by his side. Of course, some survived. Penguin parents watch their kids get eaten by eagles (presumably, all birds are alike), and I find it incredible. It's amazing how so many penguins can't handle a single bird! Later, I was heartbroken when I heard the penguin's parents' "Howling up to the sky", as if I heard the sound of a child when a hedgehog was killed when I was a child. "Natural selection for the survival of the fittest", a must-have rule of biology that I have been reciting since I was a child, I can't seem to really feel it all the time. Birds that fall behind after their wings are broken are eaten by crabs in the desert, pelicans fish in the river and swallow them alive, and newly born cuckoo babies know how to make other birds' eggs stronger than others' nests... Cruel? But they are just to survive, and these cruelties within their food chain are just to fulfill the principle of "survival of the fittest". But what about human beings, why should they destroy the interlocking principles? Why would you let your peers pay for you? Humans at the top of the food chain will one day degenerate into apes. This is my insignificant curse, and I won't live by that time anyway.
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