Like Loch Ness in Scotland, the Shannon Estuary in Ireland has long been home to a fabled sea monster. Known as a Cathaigh — ...

The book "Marine Mammals of the World" states that humpback whales feed in polar waters and migrate up to 9,900 miles each year to tropical or subtropical waters to breed and give birth.

Trained responders at the Hawaiian Islands Humpback Whale National Marine Sanctuary undertook the life-saving detangling operations for the whales Luke Chinman is an editorial intern at PEOPLE.