The phrase "herd animals" refers to animals that live and move together in a group called a herd. They stick together to protect themselves from predators and find food and water. Full definition
As herd animals, goats like being in groups, so they aren't self - sufficient. (petsinthecitymagazine.com)
Every day on the markets you see traders acting like herd animals following whatever investments seem to be rising or falling - without checking why. (politics.co.uk)
There are many breeds of dogs that are better with sheep, some are better with cattle, and some work with many species of herd animals. (breedingbusiness.com)