flocks

Birds will often form aggregations known as flocks when they feed, or fly. The benefit of doing activities as part of a flock is that multiple birds can look out for danger while others forage or fly. Many species will also congregate to form mixed flocks that forage together, this may benefit solitary species that...

While a single animal may not catch the eye, when thousands or millions of them come together, it is an awe-inspiring—and sometimes fear-inspiring—sight to see.  Swarms of Asian giant hornets have been in the news recently, after killing more than 40 people in northwestern China. (Read “Swarm Theory” in National Geographic magazine.) But not all...

While a single animal may not catch the eye, when thousands or millions of them come together, it is an awe-inspiring—and sometimes fear-inspiring—sight to see.  Swarms of Asian giant hornets have been in the news recently, after killing more than 40 people in northwestern China. (Read “Swarm Theory” in National Geographic magazine.) But not all...