Nearly 2,000 belugas frolic each summer near Arctic Canada’s Somerset Island, nursing their young, chattering in squeaks and whistles, and swimming about in shifting networks of companions and family. Scientists suspect many whale species share cultural traditions, much as humans do.

Nearly 2,000 belugas frolic each summer near Arctic Canada’s Somerset Island, nursing their young, chattering in squeaks and whistles, and swimming about in shifting networks of companions and family. Scientists suspect many whale species share cultural traditions, much as humans do. (Photo by Brian Skerry)