Do whales have hair? Have you ever wondered what whales look like up close? You may have seen them swimming in the ocean and even noticed their smooth skin. But did you know that these majestic creatures do have hair? That’s right – many species of whales come equipped with fine hairs around their blow holes and across their foreheads, often said to be a vestigial trait retained from their land-dwelling ancestors.
In this blog post, we will explore the science behind why whales have hair and discover if they use it for anything besides pure aesthetics. Read on to learn more about mysterious whale anatomy!
Here’s the answer: Do whales have hair?
The answer is yes. Although they may not have the thick fur coats we’re used to seeing on mammals, many species of whales are born with fine hairs on their heads and snouts. Scientists believe these strands of hair are the remnants of a much thicker fur coat, which protected their ancestors while on land.
It’s important to note that these hairs are not actual hair but rather a type of epidermal tissue known as vibrissae. Vibrissae are sensory structures often found in aquatic mammals like dolphins and whales and have been found to play an essential role in sensing the environment around them. By responding to changes in pressure, temperature, and movement in the water, these tiny hairs help whales detect their prey and navigate through murky waters.
Only certain species of whales have hair; other species do not possess any hair at all. It’s also important to note that even within a species, some individuals may have more hairs than others. 
If you are interested in beluga whales’ behavior, read our article Are beluga whales friendly? Can you touch them?
Do humpback whales have hair?
Yes, humpback whales have hair. At first glance, you may mistake their face for being covered in barnacles; but if you take a closer look, what appears is an array of golfball-sized hair follicles! Though it may surprise you, Humpback whales actually have hair on their heads – just one single hair per follicle! As a result, the number of hairs is easily countable. They usually have only 30-100 hairs throughout their lives! These hairs may help humpbacks detect their prey and navigate through dark waters.
Do blue whales have hair?
Blue whales are a species of baleen whale, and like all other baleen whales, they have very few hairs, usually just a few whiskers on their upper jaw. These hairs are not used for feeding or any other function, and their purpose is not well understood.
Do orcas have hair?
Orcas, also known as killer whales, do not have hair on their skin. Like other species of cetaceans (whales, dolphins, and porpoises), their skin is smooth and hairless. However, they have a layer of blubber, which helps insulate them from the cold waters they inhabit. Additionally, they have a specialized area on their heads called a melon, which helps them to focus their echolocation clicks, which they use to navigate and locate prey in their environment.
Do beluga whales have hair?
Beluga whales do not have hair on their skin. They are a toothed whale species whose skin is smooth and rubbery, without any hair follicles. However, beluga whales have a layer of blubber, which helps insulate them in their cold Arctic and sub-Arctic habitats.
Do sperm whales have hair?
Sperm whales do have hair, but only when they are young. They are a species of toothed whale and are born with a few hairs on their rostrums, which are the front part of their heads. These hairs, known as vibrissae, are sensitive sensory organs that help the young whales detect prey in the water. As the whale grows older, the vibrissae fall out, and the adult sperm whale is mostly hairless.
Other whale species that have hair
Fin whales, Sei whales, Right whales, and Bowhead whales also have hair. These species have a set of minuscule, hair-like whiskers along their muzzle, chin, and jawline. The nerves it contains are interconnected to the roots and provide some sensory purpose. It isn’t easy to see these; some don’t even have them.
One of the most perplexing details about these baleen whales is that they seem to possess an intricate mustache! When you look at their photos, you can understand why. Nevertheless, what you see here is their baleen, not a mustache made of hair. The baleen is a long hair-like filter that filters the water, permitting only minuscule creatures such as krill, plankton, and small fish to pass through.
What is whales’ hair called?
Whales’ hair is called vibrissae, which are sensory organs that help the whales detect their environment. These hairs contain nerve endings and act as pressure sensors. Vibrissae can be found in many species of whales, including humpback whales and sperm whales (in their younger years). Additionally, other aquatic mammals, such as dolphins and porpoises, also possess vibrissae.
Why do whales have hair?
Scientists have yet to deduce the exact purpose of these vibrissae, but some hypothesize that whales use their hairs as a way to measure plankton density in their surroundings. If there is not enough prey available, it would be pointless for them to expend energy opening and closing their mouths wide enough for water intake, filtering out little nourishment.
In some species, such as the bowhead whale and sperm whale, these hair follicles contain thick vibrissae, which are sensitive to touch and may be used to locate prey in their environments. The humpback whale has the thickest hairs of all cetaceans, and scientists hypothesize that they are used to detect plankton density.
Baleen whales have shorter and thinner hairs on their jaws and chin that may help them detect vibrations in the water, though their exact purpose remains unknown. Whales’ hairs may also serve as sensory organs that help them communicate with each other or detect predators in their environment. Finally, the thick layer of blubber that some whales have helps to keep them warm and insulated from cold ocean waters.
Do whales have hair? The answer is yes, but the amount and function vary by species. The Baleen whales have few hairs on their upper jaw and chin, while toothed whales may also possess vibrissae on their rostrums when they are young. The exact purpose of these hairs remains unclear, but scientists hypothesize they may serve as sensory organs or to measure plankton density. By understanding the anatomy of whales, we can continue to gain insight into their unique behaviors and adaptions.