Mothers have on baby about every 2 to 3 years. Students from K to 8, their teachers and parents.Homeschool students and their parents.Teacher Librarians, If you:– need more help with this topic– need information for a school project– find broken linkscontact kidcyber. The average calving interval is probably 2 to 3 years. About every 10 to 20 minutes, it must come to the surface to breathe. For school or homeschooling projects or just reading for interest. Not much is known about Blue Whale mating, except for that is starts in late autumn and ends at the end of … Calves suckle on their mother's milk , which is very rich so that they gain weight and a layer of blubber quickly, ready for the return to icy polar waters. It’s bright orange, the colour of krill, and it comes out in a long, thin stream near the surface of the ocean. They each have huge heads that are broad, long and have a unique U-shaped arch, and can reach up to a quarter of their body lengths in size. Common Name: Killer Whale or Orca; Scientific Name: Orcinus orca; Type: Mammal; Diet: Carnivores https://www.discovermagazine.com/environment/look-at-this-enormous-whales-have-enormous-and-interesting-poop, The largest of all animals: the blue whale ©Getty Images. Welcome to www.kidcyber.com.au, a website established in 1999 for primary students and teachers. A baby blue whale averages 23 feet (7 meters) long and 4,400 pounds (1,990 kg) when born. Easy to understand text for student research, including material for primary school students K-6Easy to navigate formatUnits of work and lesson plans for teachers on a variety of topics in key learning areaskidcyberQuests: student webquest assignments with links to information sites for research, project ideas, evaluation'Ask a kidcyber Researcher' feature where students can request specific information about a topicAdvice to parents about helping with school homework assignments and projects. The age of sexual maturity is thought to be 5 to 15 years. Blue whales can breed from when they are about 7 - 10 years old. ... Blue whale is an animal with the long life cycle. Back to the top. The duration of each stage varies substantially according to the species and there are even species we know very lit… Reaching lengths of between 70 – 90 ft on average the blue whale is the largest living animal in the world. Scientists determine their precise age by counting the layers of wax in the years. Calves nurse for 7 to 8 months and are weaned when they reach 16 m in length. The whale appears the same flat grayish color as the surrounding walls.] Read about blue whale poo! Lifespan:These giant mammals have a lifespan ranging from 50 to 80 years. The Blue whales has long, flexible throat grooves. Its calls can be heard for hundreds of kilometres. What else happens during these years? Blue whales are classified as Endangered, but there is not enough information about some populations to know their numbers. Researchers are using its genetic blueprint to probe how it is that this species can live longer than 200 years. Bowhead whales may unlock the secrets to a long, healthy life The bowhead whale is the first large whale to have its genome analyzed. Key Facts & Information Habitat, Anatomy and Life Cycle. During the first 8-12 months of life, a baby blue whale will eat nothing but mother’s milk and gain 200 pounds a day. In the rare case a Blue Whale mother gives birth to twins, only one calf will survive, due to it's mothers ability to tend to only one at a time. At that time they weigh about 20,900 kg. Like all baleen whales, the blue whale has two blowholes close together. After a year-long gestation, the whale gives birth to a baby called a calf, which is about 23 feet long at birth, and weighs between 5,000 and 6,000 pounds. The whales are usually on their own but sometimes in pairs. Like all whales , it is a mammal . Famous for their sheer mass, blue whales glide effortlessly through the ocean, dwarfing all else in their path. Whales range in size from the 2.6-metre (8.5 ft) and 135-kilogram (298 lb) dwarf sperm whale to the 34-metre (112 ft) and 190-metric-ton (210-short-ton) blue whale. Orcas bred in captivity have a half the lifespan as compared to their wild counterparts. Find life cycle blue whales lesson plans and teaching resources. The gentle giant of the sea, the blue whale is instantly recognisable with a long, streamlined shape, mottled blue or grey back and pale underbelly. They have grey-blue skin with light spots, but when seen underwater they look blue. Females generally breed every 2 or 3 years. A female blue whale gives birth about a year after mating with a male blue whale. Calves gain about 90kg a day, and when they stop feeding from their mothers 7 months later, they are 18 metres long and weigh about 23 tonnes! Born in warmer waters, baby humpbacks have a better chance for survival. Overall, they tend to dwarf other cetartiodactyls; the blue whale is the largest creature on earth. Life cycles can vary quite dramatically species to species, but roughly divided, most life cycles can be split into the three stages of baby, adolescent and adult. Newborn blue whales are 8 metres long and 2,700 to 3,600 kg in weight. Humpback whales live approximately 45-50 years, which means they will make their yearly migration dozens of times. Students paint a white whale and discuss the length of a Beluga... Get Free Access See Review. It is estimated that there are between 10,000 and 20,000 left. When you have held your breath for a while, you breathe out, or exhale. During the nursing period, calves consume 379 liters of the fat-rich mother’s mi… Blue Whale Reproduction and Life Cycles. a fair dealing for the purposes of research or study) no part of this website may be reproduced, stored in a retrieval system, communicated or transmitted in any form or by any means without prior written permission. Life Cycle: When Blue whales are born they are 8m and weigh 4 tons. Their average size reaches up to 20 meters in length, and their weight is around 3 tons. On average, the blue whale’s blubber makes up about 27 percent of its total body weight. They were once considered too difficult to hunt because of their speed and tremendous size. This can mean some of the larger offspring such as those from Blue Whales will be bigger at birth than other whales will be when they are fully mature. Its feeding cycle also consists of lengthy migrations. Information for kids K-6 about the blue whale, the largest animal ever to exist on Earth, with links to general whale information and other species. Whales are remarkably diverse creatures with baleen whales and toothed whales experiencing very different life histories. These blue-grey giants have a long, stream-lined body, a wide head, huge flippers, a powerful … The largest animal also does the largest poop! Calves are 7-8.2 m long at birth and 2,722 kg. Reproduction of the Blue Whale Once the whales reach tropical waters, they give birth and breed. The life span of a blue whale has been estimated to be as high as 110 years. During the summer seasons, the blue whale feeds in the polar waters where krill are more prevalent and eventually swim back closer to the equator during the winter months. Blue whales are thought to live to be about 110 years old. Blue Whale offspring are feed with their mother's milk until they are approximately 6 months of age, when they are weaned (left on their own for food). Blue whales generally leave the icy polar areas in winter and migrate to warmer temperate to subtropical areas, where females give birth, and then return to the polar regions for spring and summer. Males live to about 29 – 35 years on an average and for a maximum of up to 50 – 60 years. What is the life history of the blue shark? Whales are not fish - they are mammals like we are. They are long and slender. kidcyber cannot be held responsible for inappropriate sites Note: all kidcyber topics are regularly checked, updated and added to, so keep checking out this website. Blue Whales use distinctive noises or songs as mating calls to attract other Blue Whales of the opposite gender. However,there are species which present big variations , like the blue whales ,which is one of the largest animals in the world, reaching up to 34 m in length and more than 190 tons. Let’s take a look at the life cycle of the humpback whale. Sears has been tracking blue whales in the North Atlantic Ocean for over 40 years, and he continues to see some of the same individuals that he saw when he first started. One of the reasons blue whales are able to live so long is their lack of predators. By the 1960s they were nearly extinct. The combination of having fewer whales to communicate and the increased difficulty in finding a mating partner can create stress that reduces an endangered whale’s life expectancy. A full grown Bue Whale surfacing in the Pacific Ocean. Since blue whales are mammals, they give birth to live young one at a time every 2 to 3 years. Most reproductive activity, including births and mating, takes place during the winter. It brings nutrients from the deepest part of the ocean and also to the the ocean floor when it sinks. Level 15, 233 Castlereagh Street Sydney NSW 2000 Telephone: +612 9394 7600 Facsimile: +612 9394 7601 E-mail: info@copyright.com.au, Except as permitted under the Act (for example for the services of the Crown or in reliance on one of the fair dealing exceptions i.e. The life expectancy of female Blue Whale is 50-60 years whereas the life expectancy of male Blue Whales is 30-40 years. Commanding a… Blue whales mainly feed on krill, which are small shrimp-like organisms. Sign in|Recent Site Activity|Report Abuse|Print Page|Powered By Google Sites. In the same way, there may be variations between the specimens … The most reliable age estimations are from ear plugs. They can be up to 25 feet long and weigh up to 3 tons. Blue Whales can live at least 80 years. Life Cycle Blue Whales can live at least 80 years. While whales don’t reproduce early in life, the often live a very long and healthy life. The writers and publishers of kidcyber are Shirley Sydenham, a primary teacher, and Ron Thomas, a primary teacher-librarian. Blowholes on the top of a whale's head are how it exhales. Life span. Includes easy to read section for early readers. Whales are an important part of the marine food chain and play a huge role in maintaining the health of our oceans. Well of course the baby must first be concieved by the parents: The average gestation period ( How long the fetus is in the womb for) is about 15 months! Species. They usually live for less than 25 years, but some may live for 30 – 40 years. Not much is known about Blue Whale mating, except for that is starts in late autumn and ends at the end of winter. At certain times of the year, blue whales consume almost 4 tonnes of tiny krill per day. kidcyber provides links to other web pages, selected and examined for their appropriateness, to provide more information about a particular topic. Do Whales Hunt For Food? And with an estimated lifespan of 70 – 90 years they are also one of the oldest living marine mammals known to inhibit the sea. Life Cycle of the Blue Whale Blue whales can breed from when they are about 7 - 10 years old. However, with the introduction of factory ships and the harpoon gun in the 1920s, blue whales were hunted intensively. A Blue whale can be up to 5.5 to 6.4 tons (6-7 tons) of food per day during the summer feeding season. Following,we list the most outstanding characteristics of these creatures. Blue whales feed almost exclusively on shrimp like crustaceans known as "krill". The best available science suggests the gestation period is approximately 10 to 12 months, and that blue whale calves are nursed for about 6 to 7 months. [Archival image of 1960s blue whale model in the Hall of Ocean Life. The blue shark has a long life and can live to be 20 years old. Newborn blue whales are huge in their own right. In fact the oldest recorded blue whale was estimated to have a lifespan of 110 years! They grow nearly an inch a day and can drink 100 to 150 gallons of their mother’s milk daily. The blue whale is the largest animal on Earth . Blue Whale Facts For Kids – Blue Whale Life span. The females live longer, an average of 50 years and maximum up to 80 – 90 years; the oldest orca on record was 103 years old. In this whales lesson, students discuss facts about the Blue whale, color a whale picture, and discuss the length of a blue whale. For details of the CAL licence for educational institutions contact: Copyright Agency. DISCLAIMER: In the interest of a safe, educational online experience. Blue Whales breed in the warmer, tropical waters during the winter or early spring when after a gestation period that lasts for nearly a year, the female Blue Whale gives birth to a single calf on her return to the region the following year. Blue Whales weigh close to 200 tons. Since the blue shark is so widespread, the exact timing of their life cycle varies depending on the region, but the general story is the same. When feeding, the whale gulps a vast mouthful of water. Whales exhale through their blowholes. Grooves under the whale's jaw expand to allow a bigger amount of water to be gulped, then they close, which squeezes the water out of the sides of the whale's mouth, and tiny sea creatures such as krill and plankton remain inside the mouth. Quickly find that inspire student learning. Its tongue alone weighs as much as an elephant, its heart is as big as a car. It is fed by its mother's milk for 7 to 8 months. Research shows that whales can have a life span between 40 and 100 years. The blow, or spout of air and steam that spurts from a blue whale's blowholes, can be nearly 9 metres high. While several natural and unnatural factors can impact a whale’s life expectancy, perhaps one of the biggest impacts on lifespan is the whale’s species. At up to 30 metres long and 130 tonnes in weight, it is bigger than any of the dinosaurs were. During the remaining eight months of the year, does not seem to eat anything, living off of stored fat. http://kids.nceas.ucsb.edu/mmp/blue07.html, http://animals.nationalgeographic.com.au/animals/mammals/blue-whale/. It feeds by using the bushes to … kidcyber has no control over the information at these sites or links made from them to others sites, which might be considered inappropriate by some people. Blue whale calves are small enough that they're occasionally targeted by orcas, but adult whales are so large that even the most vicious ocean predators stee… These are the average life spans for some of the best known whales: * The Blue Whale - 70 to 90 years * The Bowhead Whale - 100 to 200 years * The Humpback Whale - 40 to 100 years All inquiries should be made to the copyright owner at us@kidcyber.com.au, https://www.discovermagazine.com/environment/look-at-this-enormous-whales-have-enormous-and-interesting-poop. These whales has a calf every 2-3 years, and carries the baby for about 1 year. Blue whale, (Balaenoptera musculus), also called sulfur-bottom whale, the most massive animal ever to have lived, a species of baleen whale that weighs approximately 150 tons and may attain a length of more than 30 metres (98 feet). ©Getty Images. So, the largest animal on Earth feeds almost entirely on the smallest creatures in the sea, krill. (Also see " 405-Year-Old Clam Called Longest-Lived Animal .") Females generally breed every 2 or 3 years. Whales are part of a family called cetaceans, and are divided into two groups: toothed whales and baleen whales. Blue whale calls are the loudest of any animal. It is believed that blue whales breed in the deep waters of tropical oceans - Pacific, Atlantic and Indian Oceans. Female Blue Whales are 80-100 feet long. Weaning probably occurs on, or en route to, summer feeding areas. Diet. Blue whales secrete earwax (cerumen) throughout their lives forming long, multilayered plugs. The largest accurately measured blue whale was a 29.5-metre female that weighed 180 metric tons (nearly 200 short [U.S.] tons), but there are reports … The grooves underneath its mouth expand when the blue whale feeds © Getty Images. QUINN: And there were so few accurate color references of blue whales that the safe color to render it at that time was kind of a flat grey. Recent research indicates that blue whales reach sexual maturity between the ages of 6-10 years, or when males average about 23 m and females are about 24 m. Calves are born at intervals of 2 to 3 years and gestation is about 12 months. Male Blue Whales alsoreach same size and their length is in the range of 80–100feet. Recent books written together include Using the Library 1, 2 & 3; Thinking Through Themes (4 titles: Air, Fire, Water, Earth); and The Perfect School Project, published by and available at Teaching Solutions. Each chronologically deposited light and dark layer (lamina) indicate a switch between fasting during migration and feeding, and one set is laid down per year, and thus the number of these layers can be used as an indicator … While it may be considered an endangered species, the blue whale is truly international, occurring in all oceans except the Arctic, and enclosed seas of course. The Australian Copyright Act 1968 (the Act) allows 10% of the number of words on this website to be reproduced and/or communicated by any Australian educational institution for its educational purposes provided that the educational institution (or the body that administers it) has given a Notice to Copyright Agency under part VB of the Act. Blue whales lift their tails when they dive. Only one Blue Whale offspring is born at a time. See the fact file below for more information on the Killer Whales or alternatively, you can download our 23-page Killer Whale worksheet pack to utilise within the classroom or home environment. The life cycle begins when the Blue Whale swims up to the warm surface of the ocean. Scientists estimate that blue whales may live as long as 80 to 90 years. It is believed that blue whales breed in the deep waters of tropical oceans - Pacific, Atlantic and Indian Oceans. The average life expectancy of the blue whale is 80 to 100 years Females are larger than males. The gestation period is 10 to 12 months. Next step the whale sings for a mate to mate with. We are authors (together, individually and with others) of numerous books for teachers and kids, published in Australia and overseas. Scientists know little about the life history of the blue whale. The Baby Humpback Whale. This means they have fringes of fibres called baleen in their mouths that act like strainers. The quahog’s life-span is usually about 225 years.

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