Humpback Whale Fluke

Caption: A humpback whale shows its fluke off Hawaii. An individual's fluke has distinctive markings and coloration.

Credit: HIHWNMS NOAA Fisheries Permit #782-1438

Usage Restrictions: All photos must be credited to: HIHWNMS NOAA Fisheries Permit #782-1438

Related news release: New, higher estimates of endangered humpback whales in the North Pacific