Rocural - Blog Posts
Blue Whale
"We must feel lucky to be sharing the world with the biggest animal that ever existed."
Not even the biggest dinosaur is a match for the size of the Blue Whale, the largest animal that ever existed on earth. The largest-ever registered was 33 meters. It is the biggest size the animal can reach in order to function correctly. A fifth subspecies could be a population that inhabits the coasts of Chile. A group with unique vocalization and notable genetic differences.
I must say that whales are fascinating. I still find it hard to wrap the size of this animal. I hope one day I could see one of them. Today is protected because it was heavily hunted almost to its extinction. In 1966, its hunt was banned by the International Whaling Commission. ___________________________
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Omura's Whale Little is known about this whale because was until 2003 that it was thought to be a smaller form of the Bryde's Whale. The description was made public in Nature, a British scientific weekly journal by three Japanese scientist. They determine the existence of the new specimen by DNA analysis. It was later discovered that its closest relative might be the Blue Whale. It is one of the smallest species of rorqual.
Searching for images of this whale I saw a few videos of the whale eating and it was amazing. I never thought this size o f animal could be so fast.
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The Bryde's Whale has been a kind of puzzle for scientists because three species use to fall into its category. This is called complex in taxonomy. In other words, three (or maybe four) species of whales were thought to be subspecies, (or just the same species) as the Bryde's whale.
I wonder why not just name all four species the same if they are so closely similar? The devil is in the details. Those little differences that make one species become different from others can be the starting point for a completely new animal in million years. On the other hand, those tiny changes also may be the ones that make the animal adapt better than its relatives and therefore survive the changes of the environment.
So if is similar in appearance, as it seems in the cetaceans, there are movements and changes that are only perceptible in millions of years of evolution.
Can I suppose that the Balaenopteridae family is a young one, therefore many of its members are closely similar? Could be...
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Eden's Whale Little is know about this whale since is thought to be a smaller form of Bryde's Whale and no studies have been done to corroborate this assumption or treat it as a different species. Still, its size can reach up to 11 meters and weigh up to 20 tons. Usually seen in pair or single individuals, still can form groups of 20 animals around feeding areas. The Bryde's whale and Eden's whale share morphological similarities making them had to identify. _________ Show me your love liking and sharing my content. Thank you!. Instagram Store
Antarctic Mink Whale.
First, it was believed to be a subspecies of the Mink Whale but in the 90's it was discovered to be a different species. Like the Mink Whale, it was ignored by whalers because its size made it one of the most abundant whales in the world. However, the decline of other whales, made the Mink Whale today one of the mainstays of the industry, therefore its numbers have started to decline too.
I don't believe whaling should be banned but I do believe it should have stronger control. I think cultures that do whaling shouldn't be deprived of something they have been doing for generations and also helped them to develop into the cultures and countries they are today. But it has to be responsible, as anything else.
These days we have been witnessed violent climate issues in different areas around the world that are just telling us what is coming in the near future if we don't change the way we treat the planet. Just take what you need so others also can have some.
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Whales are divided into three families. This is the second and biggest: the Balaenopteridae, which contains the biggest animal that ever inhabits the earth. However, we will start with its smallest member but also the fastest: the Mink Whale. This is the most common whale and is probably due to its not being commonly hunted by humans. Its size is too small (about 10m) and does not have enough oil yield, so hunting it is not worth it. Nonetheless, the hunting of this whale has increased.
Its name is confusing because it was first confused and classified wrongly. Its name is derived from the Norwegians who usually refer to any type of small whale as Minkie or Minkies' hval.
The Dwarf Mink Whale was described as a new subspecies not long ago and it is not sure yet if is one. Still has not scientific name. Mink Whale in captivity.
Mink whale has been tried to keep in captivity in Mito Aquarium, in Japan a few times. Most of the specimens died in few weeks while in 1956, the last one was able to scape a net aquarium after 37 days spinning the pool in the same direction.
____ I'm really ignorant of whales and most of this information is new to me. It is very hard to understand the information and translated it into something that I am able to explain. I hope is understood. ____ Thanks for your support. Likes, reblogging, or follows are very much appreciated.
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