It's a perfect morning for sighting humpback whales ... that one with the tall dorsal fin, I'm calling Tall." A male with a slightly tilted dorsal fin is dubbed Slope, and two other males are ...

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

comparing it to a photo catalog of known humpback whales in the region. To make the identification, biologists need clear ...

Each entanglement of a humpback whale, blue whale, fin whale or leatherback sea turtle in a state-managed fishery violates the federal Endangered Species Act. The Center for Biological Diversity is a ...