Ziphiidae is a family of whale species that are commonly referred to as beaked whales. Beaked whales come in different species such as the Cuvier's beaked whale, Hector's beaked whale, and the Northern bottlenose whale. These whales are known to have a distinct elongated beak on their head that helps them in feeding and navigating through the water. Other synonymous terms used for ziphiidae include bottlenose whales, goose-beaked whales, and four-toothed whales. While all these terms refer to the same family of whale species, they may be preferred by different groups for different contexts, such as scientific research or casual conversation.