1. Ungulates: Many hoofed mammals form herds, including wildebeest, zebras, antelopes, buffaloes, elephants, and giraffes.
2. Cetaceans: Herds of whales, dolphins, and porpoises are common.
3. Pinnipeds: Seals, sea lions, and walruses often form herds on shores or ice floes.
4. Birds: Some bird species, such as geese, ducks, and flamingos, form large flocks or herds during migration or while foraging.
5. Fish: Certain fish species, such as sardines, anchovies, and herring, form vast schools or herds in the ocean.
6. Invertebrates: Some social insects, such as ants and locusts, live in organized colonies that can be considered herds.
The primary benefits of living in herds include protection from predators, increased foraging efficiency, improved communication, and cooperative behaviors.