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Originally posted Oct 10, 2018Fiyero, blue point mitted with a blaze, loved by Cynthia I
How Colorpoint Cats Change the Color of their Fur Over Time
Throughout their lives, color-pointed catschange their coloration pattern quite a bit. The process of this change is extremely interesting and it is entirely based on genetics. In fact, it is a mutation that leads to their coloration to begin with.
This mutation is temperature sensitive and it affects an enzyme in the metabolic pathway between tyrosine and the final pigment. As a result, pigment production becomes dependent on the cat’s body temperature. Higher temperatures will inhibit production, while lower ones will allow it.
Color-pointed cats have darker extremities (with various patterns) because their body temperature is lower in these areas. They present lighter fur on the rest of their bodies because the local temperature is higher there.
However, please note that temperature distribution over the cat’s body depends on a wide variety of factors. As such, it varies from one individual to another, but also throughout the cat’s life. This local temperature map is one of the reasons why there is a very large diversity of color-pointed cats.
Holden Clawfield, much loved Lilac Lynx Ragdoll from Australia
Changes in Body Temperature Determine a Change in Color
Since color-pointed cats are genetically wired to change their color due to fluctuations in their body temperature, they are essentially a living heat map. Here a few of the factors that typically cause these fluctuations and what you can expect:
Age
Seal Point Bicolor Ragdoll Cat Abby (L) Kitten at 4.5 months and (R) 12.5 months
Body temperature varies greatly with age. Young cats have alert metabolisms, which keeps their temperature up. In fact, the areas in their extremities which are colder are rather small. With age, their metabolism slows down, which causes their body temperature to go down with it. This is when the first changes in color can be noticed in a color-pointed cat, as they will get darker.
Depending on the specific genetic background of the cat, this could mean that the darker areas in the extremities will get larger, that the lighter area will also get darker, or even both. When cats reach old age, their body temperature falls, both in their extremities and systemically. As a result, the darkening of the fur is more intense in senior cats.
To give you a better idea of just how much color-pointed cats can change fur color as they reach adulthood, here are some pictures where you can observe the differences between kittens and adults.
You will notice that the fur from both front and hind legs gets darker over time, as well as the fur on their heads. The areas around the nuzzle and the ears will get darker as the cats age. However, how much darker these get depends entirely on the individual. These pictures will show you the delightful variation of this color change among colorpoints. Enjoy!
Weeks ago, I posted this on Facebook – and then got several submissions to include in this post.
Seal Transitions
Dean Merlin Winchester of Rags2Riches – 8 mos old Seal Mitted loved by TheresaZachariah a Seal Mitted Ragdoll Cat, loved by LaurieTheodore Roosevelt, a Mink seal mitted 18lb boy, loved by KristenFiona, seal point mink ragdoll, at 12 weeks and 8 years, loved by Stacey and JonHoney, a Seal Mink Mitted Ragdoll cat at 5 months and one year, loved by DebraRagdoll cat Seal Mink Mitted Pickles loved by VirginiaRagdoll cat Seal Mink Mitted Pickles loved by VirginiaDylan at 2 months and 2 years. Dylan is a seal mink mitted ragdoll.Tessa is a seal bicolor loved by CynthiaHarley, a Seal Bicolor Ragdoll cat, loved by DebiLisa’s girl Abby Seal point bicolor 3.5 months and 8.5 months.Pippin, a seal bicolor Ragdoll cat, loved by MaryBinx, a purrfect seal colorpoint Ragdoll cat, loved by His family!Shelby, a Seal Tortie Bicolor Ragdoll cat, loved by Joel and Tammy Shelby at 4 months and 2 yearsBoo, a seal point lynx Ragdoll cat at 7-8 weeks and at 14 months loved by Lorrie
Blue Transitions
Sam Dallas Winchester of Rags2Riches – 8 mos old Blue Mitted loved by TheresaFiyero, blue point mitted with a blaze, loved by CynthiaLeo, a Blue Mitted Ragdoll cat, loved by Joel and Tammy — Leo at 4 months and 2 yearsRagdoll Cat Jeffrey at 2 months and 18 moths old (Blue Mitted with a blaze) loved by StaceyHugo Blue Lynx Bicolor owned by Tonia12 weeks old to 3 years old! Chloe, a mitted blue color point with blue eyes loved by Erica Litchfield12 weeks old to 3 years old! Thumper, a mitted blue color point with blue eyes and a small blaze loved by Erica LitchfieldNapa at 5 months and 4 years old. He’s a Blue Mitted Lynx Mink. Loved by Lynn
While it is perfectly normal for colorpointed kittens to get darker points as they enter adulthood and as they get older, there are other reasons why adults might change their points throughout their lives. Here are a few of them:
Local Injuries
When a cat suffers local injuries like scratches, bumps, and bruises, scar tissue is formed. In these areas, the body temperature will be slightly lower because the tissue will not be as efficient in conducting heat. As a result, color-pointed cats will get darker fur in the areas where they suffered these injuries.
Diseases
Diseases cause dramatic temperature fluctuations in a cat’s body. A large number of acute diseases cause fever, while chronic diseases usually lead to a general decrease in the cat’s body temperature.
These changes will be visible in color-pointed cats, at least to a certain degree. If the temperature change is maintained for a longer period of time, then the pigment changes will have the time to come up.
Do you have a color-pointed cat? Have you noticed the color of its fur changing over time? Tell me about it in the comments section below and share your pictures with our readers.
Are you thinking of adopting a Ragdoll kitten? You might enjoy our book, A Ragdoll Kitten Care Guide.
Jenny
Hi, I’m Jenny Dean, creator of Floppycats! Ever since my Aunt got the first Ragdoll cat in our family, I have loved the breed. Inspired by my childhood Ragdoll cat, Rags, I created Floppycats to connect, share and inspire other Ragdoll cat lovers around the world,
12 thoughts on “Colorpointed Cats Transition: Ragdoll Cats Color Progression”
Blue says:
I have two siblings that are half ragdoll and half tabby, both approximately two years old. Louis, the brother, had looked lighter orange and creamy. I really thought it was my imagination! Them being floppy and cuddly now makes sense after what I’ve been reading about them. I love them dearly!
Great information! I have two (red) colorpoints – one is definitely a cream point (Giovanni) and Armani likely is as well although it’s hard to know whether he is a cream or a flame point. I’d love to share pictures with you. I see your email above so I’ll send a few to you. Thanks for sharing – it’s hard to find good side by sides of the changes that happen within many colorpointed cats.
Beautiful photos of color transitions in these Ragdolls, some are very dramatic that I would not have predicted. My Simon, a blue eyed white, did not transition, other than having a faint tinge of yellow on the bridge of his nose that is barely noticeable.
When my late baby Gandalf the Grey was older we would get him the lion cut in the Summer months. As his coat grew back in, every other year his back would shift between being all white to almost all greyand then back to almost all white the following year. My lil kaleidoscope! He was a blue mitted boy.
Great article Jenny, very informative & oh all those precious colorful fluffy snuggly babies!! <3 <3
SUPER PAWESOME & INFORMATIVE POST, Jenny!! It is ABSOLUTELY FASCINATING about the color transitioning with the Ragdoll breed! SOOOO AMAZING!!! LURVE the GREAT EDUCATION about it and the pics are fabulous!!! 🙂 <3
I’m Jenny Dean, and I am pictured here with my two Ragdoll cats, Charlie and Trigg. I met my first Ragdoll when I was 3 years old. Christmas 1989 my parents gifted my brothers and me, two Ragdoll kittens – Rags and Cosby. Rags, who lived 19 years, is the reason why I started Floppycats in 2008. Continue reading about me here.
I have two siblings that are half ragdoll and half tabby, both approximately two years old. Louis, the brother, had looked lighter orange and creamy. I really thought it was my imagination! Them being floppy and cuddly now makes sense after what I’ve been reading about them. I love them dearly!
Great information! I have two (red) colorpoints – one is definitely a cream point (Giovanni) and Armani likely is as well although it’s hard to know whether he is a cream or a flame point. I’d love to share pictures with you. I see your email above so I’ll send a few to you. Thanks for sharing – it’s hard to find good side by sides of the changes that happen within many colorpointed cats.
They’re all such beauties! 🙂
Beautiful photos of color transitions in these Ragdolls, some are very dramatic that I would not have predicted. My Simon, a blue eyed white, did not transition, other than having a faint tinge of yellow on the bridge of his nose that is barely noticeable.
I have a seal point lynx kitten who has changed so much! I’d love for you to see her! How can I submit pictures to you?
Sure, you can email me a before and after photo – info@floppycats.com
When my late baby Gandalf the Grey was older we would get him the lion cut in the Summer months. As his coat grew back in, every other year his back would shift between being all white to almost all greyand then back to almost all white the following year. My lil kaleidoscope! He was a blue mitted boy.
Great article Jenny, very informative & oh all those precious colorful fluffy snuggly babies!! <3 <3
Theresa Lamie = TLam
a Smörgåsbord of beautiful cats!! wow, they are all so gorgeous.
SUPER PAWESOME & INFORMATIVE POST, Jenny!! It is ABSOLUTELY FASCINATING about the color transitioning with the Ragdoll breed! SOOOO AMAZING!!! LURVE the GREAT EDUCATION about it and the pics are fabulous!!! 🙂 <3
Great job with this one, hon! Truly! 🙂 <3
Big hugs & lots of love!
Patti & Miss Pink Sugarbelle 🙂 <3
yes, this is one of my favorite posts – thank goodness for readers who made it happen =)
Floppycatters’ lurve for their kittehs is limitless! FC-ers are da best!!! 🙂 <3