المواضيع

The humpback whale , or the so-called sea camel, or the humpback whale , is a type of whale that is found in various seas and oceans in the world. It is a carnivore, and the humpback whale feeds mainly on krill.

 


Classification of humpback whales

Kingdom: Animal

Phylum: Vertebrate chordates

Caste: mammals

Order: Cetaceans

Faction: Herakla

Gender: senior-finger

Scientific name: Megaptera novaeangliae

 

Characteristics and shape of the humpback whale

The body length of the humpback whale ranges from 11 to 13 meters and may reach 16 meters, while the pectoral fins are about 5 meters long and the back fins are about 5.5 meters. The humpback whale weighs approximately 25 to 35 tons. The humpback whale has a huge black body with scars. Mostly white or grey. The belly of a humpback whale is white. It has small projections called tubercles that cover the head and lower jaw. Characteristic of the species is that it is characterized by these protrusions. It has a large black and white caudal fin with a wavy trailing edge. The patterns on the ventral side of this fin are unique to each individual and do not change throughout life. They are used in particular to identify humpback whales. Humpback whales can stay underwater for up to 50 minutes . The humpback whale makes a shrill call, which can be heard for miles and lasts more than 20 minutes. The humpback whale swims at a speed of about 5 to 15 km/h. And the maximum speed is from 25 to 27 km / h.

 

Habitat and ecology of the humpback whale

The humpback whale lives in all seas and all oceans in deep waters near the coast.

 

Humpback whale food

The humpback whale is a carnivore and feeds mainly on krill, like most whales. It is an active predator hunting small fish such as herring, capelin or sand pike.

 

Humpback whale lifestyle

Humpback whales often live alone. It is frequented in small groups for a short time. to search for and capture foods, and may form groups or even pairs over the long term although herd behavior is very rare. However, the mother and child build a real bond and stay together for several years. The humpback whale alternates between activity and rest. Therefore, it is active at night as well as during the day. It is a migratory animal that travels long distances every year over 25,000 km. In fact, it spends the summer in cold waters and arrives in tropical or subtropical waters to breed.

 

Screaming humpback whale

The humpback whale has sounds that develop slowly over the years, as the humpback whale produces low tones that vary in frequency.

 

Humpback whale prey animals

Young humpback whales are frequently attacked regularly by orcas or killer whales.

 

Humpback whale hunting technique

The humpback whale's bubble net technique is one of the most famous. This occurs by forming a group of whales that swim rapidly around and below a group of fish. And by releasing air through their vents, they create bubbles that form a visual barrier. This makes it possible for whales to swallow thousands of fish in one gulp. The bubble net can be up to 30 meters in diameter and requires the cooperation of up to twelve people.

 

Longevity of the humpback whale

The life expectancy of a humpback whale ranges from 40 to 60 years.

 

Humpback whale reproduction

The humpback whale is an animal that reproduces by birth, and mating occurs in tropical or warm waters above 20 degrees Celsius. The mating season occurs during the southern winter between April and September. Pregnancy lasts from 11 to 12 months. The humpback whale gives birth to one young every two or three years. Humpback whales are sexually mature between 5 and 10 years.

 

Baby humpback whale

A young humpback whale at birth is between 4 and 5 meters long and weighs about 1.3 tons. The baby humpback whale is weaned. However, he remains dependent on his mother for another 5 or 6 years, during which time she teaches him survival techniques such as catching fish and recognizing the dangers.


Threats and the conservation status of the humpback whale

The humpback whale is not an endangered animal. The threats to the humpback whale are ocean pollution, global warming, and whaling. It is estimated that there are about 84,000 humpback whales in the wild. The number of humpback whales in the world is currently increasing.

 

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