DIET. Seis can stay up to 20 minutes beneath the water while looking for food. Sei Whales are the 4 th largest rorqual (the largest group of baleen whales) after the Blue Whale, the Fin Whale, and the Humpback Whale. The sei whale is a baleen whale, the third-largest rorqual after the blue whale and the fin whale. Rudolphi's rorqual, Pollack whale, Coalfish whale, Sardine whale, Japan finner. As with most other baleen whales, the Sei Whale’s diet consists primarily of plankton, krill, and fish. The sei whale (/ ˈ s eɪ / or / ˈ s aɪ /) (Balaenoptera borealis) is a baleen whale, the third-largest rorqual after the blue whale and the fin whale. All groups were fed a diet containing 54 en% carbohydrate, 25 en% fat, and 21 en% protein. Krill (a family of small, shrimplike crustaceans) and copepods are major components of a right whale's diet. Sei Whales are also considered fast swimmers, and have been recorded to reach speeds of up to 30 knots over short distances. 4. FIN WHALE Balaenoptera physalus STATUS Endangered LENGTH 66–85 ft DIET Krill They feed mainly on copepods and are thought to skim the surface for their prey. Being a baleen whale, the Sei has two blowholes and no teeth, which are replaced with as many as 400 baleen plates full of bristles that filter out prey from the water. Sei Whale is more upright. Sei whales live in all oceans and seas, except tropical and polar regions. In general, baleen whales feed low on the food chain, primarily eating zooplankton and small fishes, which they encounter in large swarms or schools. For example, 21,713 North Pacific Sei Whale … (CNN)- The largest female whale shark at Georgia Aquarium has died, the Atlanta attraction announced. A Sei whale almost never lifts its flukes up above the surface, it is generally less active at the surface of the water and it rarely breaches. Sei whales typically do not rise high above the water when they dive, usually only sinking below the surface. Sei whales are under threat by climate change and also by pollution, entanglement in fishing gear and ship strike. These prey are known in the sperm whale diet. Dopo il servizio delle Iene, il caso Blue Whale – la sfida che spingerebbe gli adolescenti al suicidio – è al centro di discussioni pubbliche e dell’attenzione mediatica.In questo post abbiamo ricostruito come nasce la storia che si configura come una vera e propria leggenda urbana. Killer whales have a diverse. A Sei whale is a slender cetacean, although it is more robust than a fin whale. Survival Adaptations: Some of the survival adaptations a Sei Whale uses are it's pointed nose, which allows it to swim faster, it's thick rubber-like skin that keeps it warm in cold waters. They are fast swimmers, and are believed to migrate to warmer waters in lower latitudes during winter. It inhabits most oceans and adjoining seas, and prefers deep offshore waters. ANTARCTIC MINKE WHALE Balaenoptera bonaerensis STATUS Near Threatened LENGTH 29.5–36 ft DIET Krill. The sei whale is one of the fastest whales, reaching speeds of up to 30 miles per hour. A oggi non ci sono evidenze di casi di suicidio legati a questa sfida. These plates have whitish fine inner bristles. The Best 20 Gallon Fish Tank Guide – 2020, The Best Aquarium Vacuum Buyers Guide – 2020, The Best Goldfish Food Buyers Guide – 2020, The Best Aquarium Rock Buyers Guide – 2020. BALEEN WHALES Affiliate Disclaimer AnimalCorner.co.uk is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We are very fortunate in Ireland to have at least 25 cetacean species present from the diminutive harbour porpoise all the way up to the largest animal that ever lived, the blue whale. An average sei whale eats about 2,000 pounds of food per day. An average Sei whale eats about 900 kilograms of copepods, amphipods, euphausiids and small fish every day. They have a compressed tail stock which abruptly joins the flukes. Sei whales are one of the fastest cetaceans. Rorquals generally eat larger prey than do right whales. The massive shark named Trixie died on Friday after “having difficulty navigating the habitat earlier in the day,” the aquarium said in a statement on its Facebook page.Her health quickly declined, according to the statement. It has very fine grey-black baleen that traps very small particles of food. During feeding periods these whales may dive for up to 20 minu… Sei Whale on The IUCN Red List site -, http://www.iucnredlist.org/details/2475/0. The sei whale (Balaenoptera borealis) is a dark-gray, stream-lined baleen whale that is found worldwide except in polar waters. DIET Seals, baleen whales, penguins. It inhabits most oceans and adjoining seas, and prefers deep offshore waters. The “Sei” in “Sei Whale” comes from the Norwegian word for Pollock, a type of fish. Sei whale; Sei whale mother and calf: Size compared to an average human. Roy Chapman Andrews, the American naturalist, compares Sei whales to the cheetah because, although they are able to swim very quickly for a short distance, they tire fairly quickly. The name "sei" comes from the Norwegian "seje", used to describe a type of fish which gathers Norway's coast around the same time as sei whales. Sei whales prefer to travel on their own or in a small pod but they will sometimes gather in their thousands where there is abundant food. The largest female whale shark at Georgia Aquarium has died, the Atlanta attraction announced.The massive shark named Trixie died on Friday after "having difficulty navigating the … They are also known to feed on fish and squid if they are encountered. They occupy sub-polar and temperate regions during the summer, migrating to sub-tropical waters in the winter. Diet: Small schooling fish, krill and other plankton, and squid; Status: Endangered; Distribution: Sei Whale Range Species Fact: Sei whales are considered the fastest swimming cetaceans, reaching top speeds of 34.5 mph (55.5 km/hr). After the Blue whale and Fin whale, the Sei is the 3rd largest animal living on the planet. Sei whales are sexually mature when they are about 10 years old. It is dark blue-gray or brownish, with white patches on the belly. Breeding and calving take place towards te end of Fall/beginning of Winter (for the Northern Hemisphere). di Claudia Torrisi e Andrea Zitelli. The latest UK and World news, from Mirror Online. REPRODUCTION. Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates. The sei whale ( or ), Balaenoptera borealis, is a baleen whale, the fourth-largest rorqual after the blue whale, the fin whale and the humpback whale. Females mate every 2-3 years and gestation lasts 11-13 months. The nicknames ‘pollack whale', ‘coalfish whale' and ‘sardine whale' come from the fact that the appearance of sei whales often signalled the presence of large numbers of these fish. A sei whale’s diet and feeding behaviour are more similar to those of a right whale than to other rorquals such as blue and fin whales. Mothers nurse their calves and look after them until they are weaned at the age of 6 - 9 months. The Sei whale obtains food by skimming through the water and catching prey in its baleen plates. All animals were main- tained in a room with controlled temperature (23 °C ± 2 °C), humidity (55 % ±10 %), and a 12-h day cycle (7:00 a.m.– 7:00 p.m.) at the Josai University Life Science Center. Sei whales eat a lot and can consume up to 2,000 pounds of food each day. A pod of Sei whales is spotted as the R/V Thomas G. Thompson conducted magnetic surveys of the ocean floor about 150 miles from Wake Island. Sei whales are not often the primary target of whale watching tours, but , they can be observed during whale watching tours in many prime whale watching areas where they occur, such as the Northeast coast of the United States, South Africa 5 … Sexual maturity is reached at around 5-10 years (female) and 7-12 years old (male). 5. Sei Whale Statistics Maximum length: 17.7m (58ft) males / 20m (66ft) females Adult weight: 33 tonnes Life span: 60 years Sexual maturity: 8 - 11 years Gestation: 10-5 - 12 months Birth length: 4.5m (15ft) Birth weight: 650 - 800kg (1300 - 1800lbs) Dive duration: 20 mins Feed on: more varied food than similar whales, mainly krill when in Antarctica, usually only one type of food at a time It inhabits most oceans and adjoining seas, and prefers deep offshore waters. Their finely fringed baleen is able to strain from the water copepods (a type of small crustacean) and other small zooplankton. Sei whale. 2. Sei whales don’t gulp-feed like the other whales in their family. Bryde's whale (/ ˈ b r ʊ d ə z / BRUU-dəz), or the Bryde's whale complex, putatively comprises two species of rorqual and maybe three. On an average day they will consume as much as 2,000 pounds of food and have been known to dive for up to 20 minutes while on the hunt. Sei whales are filter feeders and attack their prey by opening its mouth and swimming towards its prey with its mouth open. These whales communicate with growl-like low-frequency calls. They typically have a dark steel gray body with irregular white markings on the underside. It avoids polar and tropical waters and semienclosed bodies of water. These rorquals are long and slender, and so are much more streamlined than other large whales. Sei whales gather in groups that number two to five individuals, although larger groups can form where food is very plentiful. Sperm whale, the largest of the toothed whales, easily recognized by its enormous square head and narrow lower jaw. Also that it's bluish in color which makes it harder to see in the ocean, and it's blowhole which lets it breathe. What is a spectrogram? The sei whale migrates annually from cool, subpolar waters in summer to temperate, subtropical waters in winter with a lifespan of 70 years. They prefer to feed at dawn and may exhibit unpredictable behavior while foraging and feeding on prey. It has very fine grey-black baleen that traps very small particles of food. It swims in small pods of 3-5 whales but larger groups may form at rich feeding grounds. It swims in small pods of 3-5 whales but larger groups may form at rich feeding grounds. It avoids polar and tropical waters and semi-enclosed bodies of water. Binomial name: Balaenoptera borealis, René Primevère Lesson, 1828. Sei whales inhabit all oceans and adjoining seas except in tropical and polar regions. According to the U.S. National Marine Fisheries Service, the total size of the Sei whale population is around 80,000 individuals. Mating takes place during the winter. Skimming the water for food while swimming, their short ventral pleats and bristle-packed baleen … The "complex" means the number and classification remains unclear because of a lack of definitive information and research. Derived from the Norwegian word for Pollack, there are two subspecies of the little-known sei whale: the northern and the southern. The Sei Whale consumes an average of 900 kilograms (2,000 pounds) of food each day, primarily copepods and krill, and other zooplankton. These whales occur in the open ocean and generally avoid coastal waters. These whales feed near the surface of the ocean, swimming on their sides through swarms of prey. They are big eaters and are able to consume as much as 2,000 pounds of food per day. Females typically give birth to one calf. The name is an anglicization of “sejhval”, given by Norwegian whalers because its arrival in Scandinavian waters coincided with the “seje”, or pollock (Pollachius virens) (Andrews 1916). Sei Whales feed almost exclusively on krill and copepods, but also on small fish, squid. The Sei Whale is among the fastest of all cetaceans and can reach speeds of up to 50 kilometres per hour (31 miles per hour) over short distances. Toothed whales are referred to as active hunters due to the fact that they possess teeth.In fact some toothed whales are known to hunt and eat larger forms of prey than their baleen whale relatives.Most toothed whales will consume a diet consisting of fish, squid, octopus and various crustaceans, although the killer whale (actually a dolphin) is known to hunt and consume various marine mammals, seabirds and even whales.While the baleen whale suborder is comprised solely of large bale… However, they are not remarkable divers, descending only to shallow depths, remaining submerged for just five to ten minutes. There was little content in the stomach but some remains of squid (beaks) and crustacean shell pieces (possibly crab shells). SEI WHALE Balaenoptera borealis STATUS Endangered LENGTH 49–52.5 ft DIET Krill with small fish, squid, copepods. Their dorsal fin is shaped like a sickle. Right whales eat zooplankton (animal plankton). Their dorsal fin and blowholes are often visible above the surface of the water almost simultaneously. The Sei whale (Balaenoptera borealis) is a dark-gray, stream-lined baleen whale that is found worldwide except in polar waters. This species is classified as Endangered (EN) on the IUCN Red List. They prefer to eat at dawn and may demonstrate unpredictable behavior during foraging and eating. The killer whale or orca (Orcinus orca) is a toothed whale belonging to the oceanic dolphin family, of which it is the largest member. Sei whales eat whatever is abundant locally, if it is a shoal (school) species: fish, squid or plankton. Diet and feeding. Despite their large size these whales maintain a diet consisting primarily of krill, copepods, fishand plankton. Once its prey is captured it then pushes the water out of its mouth while keeping its food trapped in the baleen plates. Sei whales are polygynous, one male having exclusive mating rights with many females. Depending on species, th… Sei whales eat a lot and can consume up to 2,000 pounds of food each day. The sei (pronounced “say”) whale (Balaenoptera borealis) is the third largest member of the Balaenopteridae family, after the blue (B. musculus) and fin (B. physalus) whales. It is thickset and has small paddlelike flippers and a series of rounded humps on its back. The scientific name of Balaenoptera borealis has the meaning “winged whale” and “northern.”. Like other great whales, they prefer to spend the summer feeding in cooler waters before migrating to warmer waters to breed and give birth to their calves. Roy Chapman Andrews, the American naturalist, compares Sei whales to the cheetah because, although they are able to swim very quickly for a short distance, they tire fairly quickly. Sei whales are the only member of the rorqual family (the ‘groove throated’ whales including the humpback and blue whales) that feed on minute copepod crustaceans, rather than on larger krill. 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