Скачать с ютуб Watch Great Sardine Run | Nature on PBS в хорошем качестве

Watch Great Sardine Run | Nature on PBS

The seasonal movement of billions of sardines along the coast of South Africa, the greatest fish migration on the planet, includes a stunning example of collective thinking to throw off predators. Sardines are able to use a pressure sense to detect their nearest neighbors, as well as predators sharks, dolphins and whales. For more, visit http://www.pbs.org/wnet/nature/