During the first few years of birth the baby whales are nurtured and cared for by being fed milk which can last for 1 1/2 – 4 years or more depending on the emotional bond they have with their mother. Sperm whales perform the deepest dives among mammals. This formation is said to be used as a form of defense as the flukes are powerful enough to immobilize or even kill a predator if they are struck hard enough. Blue Whale – Blue whales can also be found traveling all the major oceans. During deep dives sperm whales can dive to depths in excess of 3,000 ft. to look for giant squid and octopus to eat. In order to sink underwater for 1 hour, the sperm whale should be able to ventilate the lungs for 10 minutes and saturate the blood with oxygen. In some cases the female whales may also form an over watch position where their flukes are pointed in towards the child and their heads are facing the outside of the circle. In some cases a male sperm whale may choose to form a bond with another male whale and form a small pod, however the length of time that the relationship/pod lasts can vary from one male to the next. Don’t forget to check out our inforgraphic on where whales live. Once a female sperm whale becomes part of a pod and spends several years together with its pod members they rarely ever leave to join a new pod. Due to differences in climate changes in both regions the two species of whale do not meet one another during mating periods (when they travel towards the equator) because their mating seasons are different. They also have one of the longest gestation lengths of any cetacean with pregnancies lasting anywhere from 15 – 17 months. Young sperm whales generally stay close to their mothers until they reach maturity and then they will go and venture out on their own. humpback whale – While humpback whales can be found traveling all over the world, however they prefer the cold waters in and around the Arctic and Antarctic oceans. Sperm whales swim in all oceans, except the Arctic. This makes the use of echolocation absolutely essential for their survival and their ability to obtain adequate food for their diet. In summer, the subtropics migrate to cold waters and swim in the Mediterranean and Baltic seas. Sperm whales (particularly adult males) can be found in all of the major oceans of the world from the warm tropical climates in and around the equator to the northern and southern polar hemispheres. Minke Whale – There are two known species of minke whales currently in existence, the common or north Atlantic minke whale (which inhibits the north Atlantic waters) and the Antarctic or southern minke whale (which lives in the Antarctic region south of the equator). Sperm whales are found throughout the world’s oceans, preferring deep water. In pursuit of prey they dive to a depth of 1.2 km. In addition to traveling between warm and cold climates sperm whales are also one of deepest diving species of all cetaceans. Since the stones are not destroyed by gastric juice, they are apparently needed by sperm whales to mechanically grind food in the stomach. The white whale in Moby Dick was based on two real-life sperm whales: a whale that rammed and sank the ship Essex and an albino adult male named Mocha Dick. Gray Whale – Gray whales are often found swimming in the eastern and western north pacific ocean during feeding season and will migrate towards the Baja peninsula of mexico and the southern golf of california where they can mate and bare off spring during their mating period. As a result they are seldom found close to land though Kaikoura off New Zealand’s South Island is one exception. Beluga Whale – Beluga whales are generally found swimming in shallow coastal water in and around Arctic waters. The bowhead whale for example will spend the entire year traveling around the Arctic/sub Arctic waters and only make small trips from one location to the other. Sperm whales perform the deepest dives among mammals. Sperm whales attain sexual maturity at 7 to 13 years of age and physical maturity at 25 to 45 years and have been recorded to live as long as 62 years. Humpback whales on the other hand travel thousands of miles from the colder polar regions they inhibit to warmer tropical climates during migration periods to find a mate and bear offspring. Occasionally they collect from the bottom of crabs, crabs, sponges and even stones. Some species of whale may inhibit a small region year-long and choose not to make long migration trips. Female sperm whales and their young prefer to stay in near tropical waters all year-long while the males can be seen traveling back and forth from the colder climates to the warmer climates during mating periods.
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