The human being is occupied with an amazinglydiverse animal kingdom, each species possessing that is own unique features thathelp them survive and also cope v their surroundings.
There’s the cheetah v its incredibleburst that speed, the concerns that has actually a wingspan of end 3 meters and also thegroundhog i m sorry is the largest member of the squirrel family.
There space sharks that deserve to spot a autumn ofblood in the substantial ocean and bees that assist pollinate flowers and keep oureco-system going.
And then there’s the giraffe, the animalwith the longest neck in the world.
How long is a Giraffe’s Neck?
There are couple of things the are quite as magnificent together seeing a giraffe in the wild. The giraffe is native to Africa, a herbivore and also the biggest land mammal the is right now living on ours planet.
The tallest one on record was around 19.3 feet, about the dimension of an mean house, perhaps a tiny higher. It’s the elongated neck that grabs many of the attention, though, and also that alone have the right to weigh as lot as 550 lbs.
The factor most world think that giraffeshave such long necks is to aid them feeding – they can reach greater than otheranimals and also so can gain the selection leaves up in the trees. Just like all things inthe animal kingdom, the reality is a little more complex and a lot lesscertain.
There is little evidence the feeding is the reason the long neck evolved and the present theory is the it helps males complete for females during the adjustment season.
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An astounding side effect of the lengthy neckis the the giraffe demands a an effective heart to pump blood as much as the head andbrain. It, therefore, has the highest blood push of any pet on theplanet.
One other amazing fact that many peopledon’t understand is the this elegant mammal has the same number of bones in its neckas united state humans.
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The human Neck
Compared to the giraffe, human being neck size is pretty paltry, to say the least. However, once looking in ~ the anatomy the the person spine, girlfriend will find that, like the giraffe, humans have actually 7 cervical (neck) vertebrae.
Compared to various other species, the neck area ofthe human deserve to be quite breakable which is why the is regularly subject to accidentslike whiplash once the head move suddenly ago and forth. The giraffe neck,particularly in males, is surrounded by thick blocks of muscles the protectit.
Why perform Giraffes and Humans have actually the Same number of NeckVertebrae?
You might be impression by the reality thathumans have the same number of cervical vertebrae as a giraffe. But so walk amouse. And a kangaroo.
In fact, the vast bulk of mammals have 7 cervical vertebrae. Over there are just two mammals the don’t and these space the sloth and the manatee.
Other animal varieties have different numbersof vertebrae in the neck. For example, a swan has roughly 22 skeleton in that neck. Butfor many mammals, the 7.
It’s the dimension of the bones that vary, the course, i m sorry is the reason that the giraffe’s neck is much much longer than the of any kind of other mammal. Every vertebrae have the right to be approximately 10 customs long. Compare that to a mouse which is right 4 inches indigenous the pointer of its sleep to the end of its tail.
Sloths and also Manatees
While there is a huge amount that similaritybetween mammals, over there are always exceptions to the dominion in nature. In thiscase, that the sloth and the manatee the fail to conform.
Two-toed sloths have actually somewhere between fiveand seven cervical vertebrae if the three-toed sloth has in between eight ornine. In types with more vertebrae, several of these likewise come v attachmentsfor the rib cage. Manatees, on the various other hand, have just 6 cervicalvertebrae.
A typical Characteristic the Mammals
While the fact that giraffes have actually the same variety of cervical vertebrae as people is interesting, it’s actually not that unusual. The vast majority of mammals have seven and the dimension of the vertebrae is the point that differs, not the number. The just mammals the have an ext or much less than 7 vertebrae in the neck are sloths and also manatees.