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Humpback whale

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Humpback whale
Humpback01.jpg
Scientific Classification
Scientific Name

Megaptera novaeangliae

A pod of Humpback whales
Humpback05.jpg

The Humpback whale is an amazing creation that lives in the Atlantic oceans and waters. They eat schools of fish and they interact in pods of their family members. The Humpback whale is one of the biggest creatures of the sea who travel up to 25,000 km when they migrate to the tropics to mate. God created them along with the other creatures of the sea on Day 5 of Creation.

Anatomy

Description

The adult humpback whales reach a length of up to 12-16 meters (40-50 ft) and weigh up to 36,000 kilograms (40 tons). The humpback whale has a huge but distinctive body shape. The humpback has large pectoral fins and a knobbly head. The female humpback is mature around 5 years of age, and the males by 7 years.

Reproduction

Female Humpback whales breed every 2 to 3 years. Their gestation period is usually 11 months, sometimes up to 2 years. After giving birth the calf is nursed by her mother for 6 months. The milk is a pinkish color but holds lots of nutrients and is 50% fat. Then after the 6 months is up, they are still fed by milk but also in a variety of independent ways. A new born calf can be up to 20 ft(6 m) long, about as big as a full grown whales head [1]. They weigh around 2 tons at birth, and grow faster as they eat and respond to feeding on their own. Females reach sexual maturity around 5 years of age. A male starts to sexually mature at the age of 7. sometimes you can see scars on the top of the male's head after a fight over a female. The humpback whale produces sexually instead of asexually.

Ecology

Description

The Humpback whale lives in the north Atlantic and in Australian Antarctic waters, They live there so they can get their food. They are found especially in the north Atlantic, but also in all major oceans. They seem to like the edge of the arctic ice up to 65 deg north latitude. Humpback whales prefer cold waters for feeding but during the mating season they like warm tropical waters.

Other

The humpback whale is an amazing and smart animal when it comes to eating. Humpback whales eat during the summer time and store up food, and then live on their own body fat during the winter. The Humpback whale eats a variety of different things. Mostly they eat Krill, small schooling fish, herring, salmon, capelin and many other small fish. It's not so interesting what they eat but how they go about catching their prey. The Humpback uses a smart tactic when they go hunting, they make bubble nets. To make a bubble net they swim around an area of prey and make bubbles that drift to the surface in a solid wall. They keep swimming in smaller circles until the circle gets tighter and smaller so that their prey is held in a small trapped area. Then they just swim up in the middle of the bubble net and open their mouths and take a big gulp of food. Humpback whales like to join with other whales to make better bubble nets and trap more food, but are seen bubble netting alone.

Gallery

References