Here is a small selection of photographs showing various species of animals gather in some kind of swarms. There might be different reasons for that, from creating colonies to the familiar to all of us migration.
The Serengeti National Park in Tanzania covers an area of almost 15,000 square kilometers. This unique park is included into the UNESCO World Heritage List, and is the most famous national park of the country.
British photographer Ian Wade once accidentally caught a fox on his camera in the middle of Bristol. This picture inspired the photographer, and for an entire year he was looking for these wild animals in the city.