@natgeo

National Geographic

Each summer, thousands of beluga whales find sanctuary in Hudson Bay's estuaries, where warm, shallow waters provide safety for nursing their calves. Photographer Martin Gregus Jr. (@mywildlive) encountered this pod beneath the tannin-stained waters and found that, despite the limited visibility, they could navigate with astonishing precision as the calves weaved in and out of one another.

On the profile · Jan 6, 2026