FACT OF THE WEEK: The underside of a whale’s tail, called the flukes, is not the only characteristic that can be used to photo-identify baleen whales. MORE ON THIS: You may already know that humpback whales have individually unique tail flukes, like a human fingerprint, and can be identified by photographing these.
What are flukes on a humpback whale?
Out of all the naturally-occurring features of humpback whales, the most commonly used indicator to tell them apart is their tail, also known as a fluke.
Why is a whales tail called a fluke?
A whale’s tail is composed of two lobes, each of which is called a fluke. There is a notch, a v-shaped indentation where the flukes (or lobes) of a whale’s tail meet. Flukes move up and down to propel the whale through the water. (This is unlike fish tails which move left and right.)
What is a fluke on an orca whale?
Each lobe of the two-lobed tail is called a fluke. Flukes are flat pads of tough, dense, fibrous connective tissue, completely without bone or cartilage. Although killer whales have 50 to 54 vertebrae, no bones extend into the flukes.
How big is the fluke on a blue whale?
The width across its tail flukes (flippers) is about 6m (20 feet), a full grown man standing on tip-toe and reaching as high as he could wouldn’t reach as far as from the tip of one tail fluke to the middle of the tail where the two flukes meet.
What is a whale fluke made of?
They are made up of dense, fibrous connective tissue surrounded by a network of arteries and veins. Long muscles that run above and below the backbone move the flukes up and down.
How big is a humpback whale fluke?
Humpback flukes can be up to 18 feet wide, with a serrated “trailing edge” (the end of the flukes at the farthest end of the whale), and pointed tips.
What is a melon on a whale?
The junk of the sperm whale is the fatty structure found in the forehead of other toothed whales and known by whalers as the “melon” because of its pale yellow colour and uniform consistency.
What is a fluke on a dolphin?
Each tail fin is called a fluke. It’s used for movement and communications. Veins in the fins and flukes help conserve body heat it cold water.
What is a group of whales called?
A group of whales (called a pod) live together.
What fluke means?
fluke noun (LUCK)
something that happens, usually something good, that is the result of chance instead of skill or planning: The first goal was just a fluke.
What is a whale flipper called?
Humpback whales have long flippers, called pectorals, which increase their manoeuvrability by helping them navigate in shallow water and accelerate rapidly.
How strong is an orcas bite?
Based on captive orca incidents it’s estimated that their bite power could exceed 19,000 PSI.
Why do killer whales have a white eye patch?
These mammal species seen in marine parks and such environments have a white eye patch on their black body. The black and white patches on the body of the orca whale act as camouflage helping them to hide from their prey in the dark black regions of the ocean.
Who would win giant squid versus whale?
What if they had a fight – who do you think would win? A sperm whale has the biggest brain of any animal on Earth, while a giant squid’s brain is the size of a donut. A whale can dive a quarter mile deep, but no one even knows just how deep a squid can swim.
What is the biggest thing a blue whale can swallow?
But to be honest a grapefruit is the biggest thing a blue whale can swallow because its throat takes the size of a small salad plate. Actually they feed on plankton, small fish and marine crustaceans.
How do whales sleep?
Observations of bottlenose dolphins in aquariums and zoos, and of whales and dolphins in the wild, show two basic methods of sleeping: they either rest quietly in the water, vertically or horizontally, or sleep while swimming slowly next to another animal.
How long can a whale hold its breath?
The longest ever recorded dive by a whale was made by a Cuvier’s beaked whale. It lasted 222 minutes and broke the record for diving mammals. Other whales can also hold their breath for a very long time. A sperm whale can spend around 90 minutes hunting underwater before it has to come back to the surface to breathe.
Can a whale breathe through its mouth?
During evolution, blowholes migrated to the top of the head, which facilitates breathing at the water surface. Whales cannot breathe through their mouth because, unlike terrestrial mammals, their digestive system and respiratory system are not connected. The blowhole leads to the nasopharynx, or nasal duct.
Where is the fluke on a whale?
Fluke (tail), the lobes of the tail of a cetacean, such as dolphins or whales, ichthyosaurs, mosasaurs, plesiosaurs, and metriorhynchids.
What is the tail of a whale used for?
The tail fin, or fluke, is used for propulsion through the water. Although they no longer have hind limbs, whales and dolphins still have vestigial pelvis bones. In some species these are used to help support reproductive organs.
What is the largest whale?
The Antarctic blue whale (Balaenoptera musculus ssp. Intermedia) is the biggest animal on the planet, weighing up to 400,000 pounds (approximately 33 elephants) and reaching up to 98 feet in length.
Do whales have teeth?
Whales possess a varying number of teeth, depending on the individual species. Some kinds of whales only have one or two teeth, while others might have 240 teeth or even more. Dental patterns can vary. Some toothed whales have teeth in both their upper and lower jaws.
Why do whales breach?
Whales breach ( or flipper-slap/tail-breach/etc) to help rid themselves of parasites. Whales, Humpback Whales especially, sometimes carry a variety of external (as well as internal) parasites that may cause itching and irritation to their sensitive skin.
How big are whale flukes?
A Visual Guide to Whale Fluke Identification
Humpback flukes can be up to 18 feet wide, with a serrated “trailing edge” (the end of the flukes at the farthest end of the whale), and pointed tips.