Andy Rouse / Walrus (Odobenbus rosmarus) colony discharging gas on beach. Svalbard, Norway, August 2011.
01563861
Tony Wu / Sperm whale (Physeter macrocephalus) group engaged in social activity, with one whale separated from the group while passing gas. Flatulence is common when sperm whales socialise near the ocean surfac...
01372470
Andy Rouse / Walrus (Odobenbus rosmarus) colony discharging gas on beach. Svalbard, Norway, August 2011.