These mammals have a long body, which increases in girth toward the middle. Baird's beaked whales are the largest beaked whales and can grow to just over 11 metres in length, with females just pipping the males as the larger sex. The lower, front jaw of the males have two large triangular-shaped teeth, or tusks, that extend out of the mouth and over the top jaw. surface characteristics. Baird's beaked whales are one of the beaked whales to be most commonly sighted within their range, due to their large size and gregarious behavior. Credit: Tadasu K. Yamada et al., Scientific Reports . True or False. When seen, the animals often expel water, swim, dive and surface in unison. Number of Baird's beaked whales caught by the area and months in 1965-1969. Size. Their key distinguishing feature is the presence of a 'beak', somewhat similar to many dolphins.Other distinctive features include a pair of converging grooves under the throat, and the absence of a notch in the tail fluke. Its lower jaw extends 4 inche… Researchers estimate that females have a lifespan of more than 50 years, while males may enjoy a ripe old age of 80. Oil prospecting, shipping vessels and sonar testing performed by naval units wreaks havoc with the echolocation used by Baird’s whales. Jefferson, T.A., M.A. What is another name for the Baird's Beaked Whale? Bairds Beaked Whale Skull is museum quality polyurethane cast. Beaked whales range in length from just under 400 cm in the Pygmy beaked whale (Mesoplodon peruvianus) to 1200 cm in Baird’s beaked whale (Berardius bairdii).In all species, the maximum girth is midway between the tip of the rostrum and the tail, resulting in a spindle-shaped body that is unique to beaked whales (Balcomb, 1989; Heyning, 1989; Mead, 1989a,b,c). Baird’s beaked whale eats squid, octopus, mackerel, sardines, and deep sea fishes. NOAA Fisheries estimates the population size for each stock of Baird’s beaked whale in its stock assessment reports. Females appear slightly heavier than the males, weighing over 24,000 pounds (11,000 kilograms). A Baird's beaked whale in Monterey Bay on May 29, 2019. Distance in miles 1-30 31-60 61-90 91-120 120< unknown Total I 295 81 2 4 382 Areas II III 10 5 62 5 107 15 44 6 5 200 63 Beaked whales have a killer whale problem. 300. Cuvier's Beaked Whales were taken opportunistically along the Japanese coast as part of the hunt for the larger Baird's Beaked Whale. Baird’s beaked whale is the largest of all the beaked whales, sometimes reaching a maximum length of 42 feet (12.8 m). Adult Sperm Whales reach a length of between 11 and 18 metres (or between 36 and 59 feet) and weigh anything between 20 and 50 tonnes. The Japanese fishing industry kills somewhere around 70 whales annually for their meat. Beaked whales are a group of cetaceans noted as being one of the least known groups of mammals because of their deep-sea habitat and apparent low abundance. The average gestation term for these whales is unknown however it is estimated that female whales give birth after a 12 – 17 month pregnancy. Sometimes called the "Antillean" or "Gulf Stream beaked whale," this species prefers deep tropical, subtropical, and warm temperate waters of the Atlantic Ocean but is occasionally found in colder temperate seas. Regular dives range from 11-30 minutes, commonly reaching depths of 3,300 feet (1,000 m). Leatherwood, S; Reeves, R. Whales and Dolphins. Given that True's beaked whales are found in two geographically distinct areas, it is thought that there might actually be two different species or sub-species of this beaked whale. Cuvier’s beaked whales, Ziphius cavirostris (G. Cuvier, 1823), aka goose-beaked whales, get their genus name from the Greek word xiphos, which means “sword;” the species name comes from the Latin words cavus and rostrum which mean “hollow” and “beak” respectively. Like other beaked whales, Baird’s beaked whales are deep divers. Like other beaked whales, Baird’s beaked whales are deep divers. It is thought that females have calves every 3 years.

Beaked whales are moderate in size, ranging from 4 to 13 metres (13 to 43 ft) and weighing from 1 to 15 tonnes (0.98 to 15 LT; 1.1 to 17 ST). Calves measure 15 feet (4.5 m) at birth and the gestation period is estimated to be from 12 to 17 months. They are named after American naturalist Spencer Baird, but are also known as bottlenose whales due to their bulbous forehead and beak. Baird's beaked whale definition is - a beaked whale (Berardius bairdii) of cold, usually deep waters of the northern hemisphere that may reach a length of 35 to 40 feet (10.5 to 12 meters), has four teeth in the lower jaw, and is closely related to Arnoux's beaked whale —called also giant bottlenose whale, northern four-toothed whale. Females reach lengths of about 36 feet, while males are slightly smaller at about 35 feet. There has been no reported commercial capture of Cuvier's Beaked Whales in recent years. They have broad foreheads, commonly referred to as melons. What is another name for the Baird's Beaked Whale? With long, slender bodies, they have proud foreheads which protrude in a dense lump. Baird’s beaked whales, Berardius bairdii (Stejneger, 1883), aka north Pacific bottle-nosed whales, are the largest of the beaked whales reaching up to 12.8 m in length. – 18/9/16 ... a giant full 360 spinning breach! DISTANCE BETWEEN LAND STATIONS AND THE POSITIONS OF BAIRD'S BEAKED WHALES CAUGHT IN JAPANESE WATERS IN 1965-1969. Baird's beaked whales are the largest beaked whales and can grow to just over 11 metres in length, with females just pipping the males as the larger sex. Number of Baird's beaked whales caught by the area and months in 1965-1969. This whale species has a small head, which equals about 1/8 of the total body length. What name one food source tha the Bairds's Beaked Whales eat? We have no estimates of population past or present. Distance in miles 1-30 31-60 61-90 91-120 120< unknown Total I 295 81 2 4 382 Areas II III 10 5 62 5 107 15 44 6 5 200 63 The 39-foot-long Baird’s beaked whale (Beradius bairdii) displayed in the Burke Museum lobby washed ashore on a Washington beach in 2015. The unusual creatures known as Berardius bairdii, or more commonly called the Baird’s beaked whale, prefer the deeper waters of the open sea, which makes research and monitoring of these animals somewhat difficult. They are medium to large sized whales and often grouped with the great whales. It never gets old seeing an animal of that size coming completely out of the water! Its lower jaw extends 4 inches (10 cm) beyond the upper jaw exposing two sets of teeth near the tip of the snout. They and Arnoux’s beaked whale may well represent different populations of the same species; only through the comparison of specimens can this be confirmed or disproven. Autopsies completed on beached whales indicate signs of trauma in the head region in addition to exhibiting internal hemorrhaging caused by the condition known as the bends. These animals scavenge close to the bottom of the ocean for a variety of small marine life species that include mackerel, octopi, sardines and squid. With long, slender bodies, they have proud foreheads which protrude in a dense lump. Disclosure Policy | Privacy Policy | Copyright © 2020 WhaleFacts.org. While these marine mammals migrate seasonally their migration trips are much shorter than other species of whale. Baird's beaked whales average around 36 feet in length. A whale breathes through a blowhole at the top of its head, taking in air through the blowhole when at the water’s surface. Elsevier/AP. The species was named for Spencer F. Baird, a secretary of the Smithsonian Institution and well-known naturalist of the late 1800s. Smaller prey, like dolphins, can find safety by swimming in large pods. Approximately seven to eight inches further back on either side of the jaw, the other pair of teeth appear and measure around two inches in height. They have also been observed breaching the water collectively where they expose 40% – 90% of their body above the waters surface before re-initiating contact with the ocean and causing a huge splash. FACT SHEETS MAY BE REPRINTED FOR EDUCATIONAL OR SCIENTIFIC. Like other beaked whales True's beaked whales have a ‘flipper pocket’, a small depression on each side of their body thought to assist in streamlining the whale on deep dives. Bairds Beaked Whale Skull measures 59 in. Baird’s beaked whale has the 2 v-shaped throat grooves that are typical of all beaked whales. Unlike their bodies, which are … As adults, Baird’s beaked whales can weigh approximately 26,400 pounds (12,000 kg). Russia also hunted them in the past, but found it unprofitable to continue because they were so scarce. What name one food source tha the Bairds's Beaked Whales eat? More formidable whales, of the sperm or pilot variety, have the size and muscle to flee or defend against a killer whale, an ocean superpredator. Their key distinguishing feature is the presence of a 'beak', somewhat similar to many dolphins.Other distinctive features include a pair of converging grooves under the throat, and the absence of a notch in the tail fluke. Beaked whales were encountered on 11 Sometimes seen in pairs, they usually travel in larger social groups of 6 to 30 animals. Their lifespan may be up to 70 years. Stats: Weight: 20,000 - 30,000 lbs (9 - 13.6 tons) ... Baird's Beaked Whale Cuvier's Beaked Whale Northern Bottlenose Whale. Up to the early 1970s, 3-35 animals were taken annually. Calves are about 4.5 meters at birth. Fig. The body of Baird’s beaked whale is round and tapering towards the head and tail. True or False. BAIRD’S BEAKED WHALE Family: Ziphiidae Genus: Berardius Species: B. bairdii Stejneger, 1883 Baird’s beaked whales are very gregarious animals, often found in large groups of 30 or more. Certain toothed whales even communicate in pitches killer whales can’t hear. Both whales reach similar sizes, have bulbous melons, and long prominent beaks. They also have two flukes on the underside of its body that span the equivalent of about one-fourth of the animal’s body length and fit neatly into special depressions when swimming or diving. 200. These teeth measure 3.5 to 4 inches in length. The scarring patterns found on stranded whales indicate that males commonly engage in battle, presumably during the mating season. Females appear slightly heavier than the males, weighing over 24,000 pounds (11,000 kilograms). The Baird's Beaked Whale Berardius bairdii. According to the American Cetacean Society, Baird's beaked whales are the largest of all beaked whales and could potentially reach a maximum length of about 42 feet. Beaked Whale Videos. Baird’s beaked whales, Berardius bairdii (Stejneger, 1883), aka north Pacific bottle-nosed whales, are the largest of the beaked whales reaching up to 12.8 m in length. Hooker and Baird 1999; O’Brien 2013; Whitehead 2013). Gervais’ beaked whales are little known members of the beaked whale family, Ziphiidae. Baird’s beaked whale: dark brown, with irregular white patches on the belly Baird's beaked whales are the largest beaked whales and can grow to just over 11 metres in length, with females just pipping the males as the larger sex. Size. The study detected beaked whales in 94 percent of the weeks at the eastern location, and 80 percent of the weeks at the western location. Most Baird’s beaked whales have many white scars and scratches on their backs and sides. The average weight has been estimated at 12 tons (11,000 kg). Behaviour Although they usually only dive for about 40 to 50 minutes at a time, it is possible for the Sperm Whale to remain submerged for up to two hours. Although rare the killer whale is known to occasionally hunt Baird’s beaked whale when other sources of easy prey are unavailable or difficult to locate. One pair of them is visible when their mouth is closed. North Pacific - Bottlenosed Whales. 3. Its blow is low and indistinct, which may be another reason why they escape detection at sea. These animals prefer the cool waters of the Northern Pacific from California to the Bering Sea and in the waters around Japan at depths of at least 3,300 ft or more. The Baird's Beaked Whale is a baleen whale. The throat grooves are 70cm long. Up to the early 1970s, 3-35 animals were taken annually. Males reach sexual maturity when they acquire lengths of 32 to 36 feet (10 to 11 meters) or roughly between the ages of 6 – 11. Learn definitions, uses, and phrases with baird's. The two established species have very similar features and would be indistinguishable at sea if they did not exist in disjoint locations. Pitman. These are baleen whales meaning that they feed on tiny plankton, which is quite amazing, considering their immense size. After another half breach and some more slapping he dove (for real this time) and we headed further out into the Bay. Webber, R.L. Tissue samples taken from hunted whales indicate mercury levels averaging 1.64 part per million, which far exceeds the acceptable levels of 0.4 parts per million. What is the length of the female Baird's Beaked Whale? Baird's beaked whales average around 36 feet in length. This whale can be identified when it surfaces to breathe; its head comes out of the water at a steep angle allowing the bulging forehead and beak to be seen clearly. In 1952, a peak year, 322 were harvested by Japanese coastal whaling operations. Females mature when they reach lengths of 32 to 34 feet (10 to 10.3 meters) or between 10 – 15 years of age. Males may reach sexual maturity at 32-36 feet (10-11 m) and the females at 32-34 feet (10-10.3m). A small, triangular fin is located 2/3 of the way back on its body. These mammals have a long body, which increases in girth toward the middle. Beaked whales are a group of cetaceans noted as being one of the least known groups of mammals because of their deep-sea habitat and apparent low abundance. Baird's beaked whales are the largest beaked whales and can grow to just over 11 metres in length, with females just pipping the males as the larger sex. TABLE 4. This is a deep water species found mostly at depths of 3,300 feet (1,000 m), rarely entering shallow waters. Beaked whales range in length from just under 400 cm in the Pygmy beaked whale (Mesoplodon peruvianus) to 1200 cm in Baird’s beaked whale (Berardius bairdii).In all species, the maximum girth is midway between the tip of the rostrum and the tail, resulting in a spindle-shaped body that is unique to beaked whales (Balcomb, 1989; Heyning, 1989; Mead, 1989a,b,c).