![]() This is an anti-forgery cookie used for preventing cross site request forgery attacks. This cookie is set by web application built in ASP.NET MVC Technologies. These cookies ensure basic functionalities and security features of the website, anonymously. Necessary cookies are absolutely essential for the website to function properly. The major blood vessel of a blue whale’s heart is so big that a baby could crawl through it.ĭuring their four-month migration, they eat very little, surviving mostly on reserves of blubber.Īlthough hunting blue whales has been banned for a long time, they are still an endangered species with an estimated worldwide population of 10,000 - 25,000.īlue whales may be encountered on whale watching trips operating in locations such as Iceland, Canada (Gulf of St Lawrence), California, Sri Lanka, the Maldives and Australia. Females usually give birth to a calf once every two or three years after a gestation period (pregnancy) of up to 12 months.Ī blue whale calf can drink 250 litres of its mother's milk every day. Most blue whales migrate to cold waters to find food and to warmer waters to breed. The tongue of a blue whale weighs as much as an elephant and is so big a whole football team could stand on it. ![]() Only the sperm whale makes a louder sound. The sound they make can reach up to 188 decibels (anything over 120-130 is painful for humans). ![]() They have loud, deep voices and can communicate with other whales hundreds of miles away. ![]()
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