Baird's beaked whale is the longest species of the Ziphiidae, which is a family of medium-sized whales. The name "beaked whale" comes from the way the long snout, or rostrum, tapers to a tip. Learn more about the Berardius bairdii, more commonly known as a Baird's Beaked Whale, in this easy-to-read species overview by the Smithsonian's National Museum of Natural History.