Hawks are birds of prey known for their keen eyesight and hunting abilities. They are often seen soaring through the skies and circling in large groups, which is a behavior known as kettling. This behavior is most commonly observed during the winter months and is thought to serve several important functions for the birds.
One of the main reasons why hawks gather in large groups is for protection. When hawks are kettling, they are able to keep a close eye on their surroundings and spot potential predators. This helps them to stay safe and avoid being attacked. In addition, kettling can help hawks to conserve energy. By flying in a group, hawks can take advantage of the updrafts created by the other birds, which allows them to soar with less effort. This can be especially important during long migrations or when food is scarce.