Next to the blue whale, the fin whale is the second largest mammal in the world. They have a distinct ridge along their back behind the dorsal fin, which gives it the nickname "razorback.” Fin whales ...

Whale shark with injury to the dorsal fin, likely to be caused by collision with a vessel. Credit: Gonzalo Araujo ...

The whale curves its back and dives, showing its sickle-shaped dorsal fin as it slides silently below the ... the others being the blue, fin, sei, minke and humpback whales. Sei and Bryde’s whales are ...

“Highlights included seeing 93 sei ... fin whales, and minke, sperm, and North Atlantic right whales. Humpbacks, fin, sperm, killer, and North Atlantic right whales are all endangered, according ...

There are approximately 360 individual North Atlantic right whales remaining, including fewer than 70 reproductively active females, according to the National Oceanic and Atmospheric Administration.

NOAA Fisheries has announced ... the primary threat to the whales because they spend a lot of time at or close to the water surface, and they are difficult to spot from a boat due to their dark color ...

Gray whales have a hump and a ridge of sharp bumps along their backs, instead of a dorsal fin. They are a type of baleen whale, which means they filter food from the water through special bristly ...