When animals gather in large groups, they form fascinating patterns. This fact hasn’t escaped our Photo Contest participants. Here are five of our favorite images of wildlife en masse.
Tree and bank swallows, 2014 Photo Contest entry © Anna Jarosinski
Stacked Image of Firefly Trails, 2014 Photo Contest Entry © Jonathan McElvery
Snow bunting flock, 2014 Photo Contest entry © Anne Greene
Group of 500 Gray Seals, 2013 Photo Contest Entry © Nancy Bloom
Herring run, 2013 Photo Contest entry © Hardie Truesdale