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Dr. Coates is a veterinarian based in the other “Sunshine State” – that's Colorado to the rest of you – where she lives and plays with a varied range of animals. She shares her professional and personal experiences, Monday through Friday, here on petMD's blog, the Fully Vetted. Log in for your daily dose of her insight and wisdom.

 

The tell-tale tail and its veterinary implications

November 25, 2009 / (21) comments


I used to think it was a red herring akin to the old wives tail about dry noses and warm ears. Sure, I thought, sometimes a “down” tail truly means something. But most often it’s all in the eye of the beholder. As in––he who lends credence to things as frivolous as the carriage of a tail deserves the stress said observation evokes.

Is her nose warm, dry, moist, cool, chilly? Who the heck cares? Not if it doesn’t correlate with any significant physiologic change or disease state. So too for her normally curly tail. It’s just a curly tail that’s not curly today. What am I supposed to do with that information?

While I still stand by my statement (an uncurled tail that checks out as neurologically normal and non-painful is a highly non-specific sign), I’ve become far more attuned to the mysterious workings of the curl in a curly tail. Slumdog (my very strange little pug mix) has made sure of that.

When Slumdog is happy, his tail is upright. In this positive state it curls up over his back like a perfect Q.

In its less excited counterpart it droops depressingly, imparting the appearance of an unhappy mastiff in miniature.

It’s the only dog I’ve ever had with a curled tail, much less one with a tail capable of such extreme expressions from one second to the next. Now I truly understand why so many canine clients consider it crucial to communicate the workings of the tail as part of their dog’s detailed history.

And how could I blame them? Because now that I’ve seen how...

a) hunger

b) sleepiness

c) loud noises

d) the word “no,” and

e) all of the above

...affects the almighty caudal appendage, I’ve become a devotee of its strange and wonderful inner life.

Will this newfound ability to interpret a tail’s subtler signs make me a better veterinarian? Highly individualized as most are, I seriously doubt it. Still, there’s no question as to the expanded opportunity for daily amusement now that I’ve become a newly enlightened observer of all its entertaining expressions.

 

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COMMENTS (21)
1
by Linda H on 11/28/2009 03:29pm

I should have added - if it's hanging limply, get him to the vet :-)

2
by Linda H on 11/27/2009 02:42pm

My terrier's tail is ever so expressive. If it's up and relaxed, he's happy and confident (this is where I want it when we are working in obedience). Up, pushed forward, and stiff - he's keeping an eye on that intruder (dog, squirrel, etc). If it's down and relaxed, he's bored. Straight out and turned down half way = sort of bored, but ready for something. Wagging and relaxed means happy to see/be with you - how high it is indicates his ranking relative to the person or dog he's interacting with. The rate of the wag is meaningful too. Quivering = excited. Fast but not stiff means sort of worried. Short jerky wags means you better watch out or I'll take you on (addressed to other dogs). If it were down and tight against his body he would be scared, but I've never seen that :-). This is just a start - there are many nuances. BTW, his tail is docked.

3
by Brooke on 11/26/2009 11:00am

My ridgeback-type (we're guessing) dog looks 99% ridgie except for his tail. He carries it straight up pretty much all the time. However, he carries sort of weird when he has to poop. It's hard to explain, but it's stiffer and half-wags to the side then. If he's uncertain about something, it goes straight out from his body. Our border collie's tail is sort of curled half way through, but we can tell he's really content when he lets it just go as straight as it can. Maybe I pay too much attention to my dogs' tails...


As far as wet noses/dry ears, I've never understood what was supposed to mean what in the old wives' tales. But I have met dogs that would get so excited their ears would turn red and their people had to make them stop and chill out for fear they'd have apoplexy.


Happy Thanksgiving!

4
by KateH on 11/26/2009 12:16am

Will, I'm sorry, but I had to "kill de spammer" so your comment doesn't have the actual crapspamtastic entry for reference, but we all know what you mean anyway.  You are far nicer than I when I make comments as I delete them.

5
by Will on 11/25/2009 11:34pm

"Stage 1 is straight up in the air. Stage 2 adds a little kink at the end. And if the cat is really happy, you get an added shiver for a stage 3 happy flag."


SmartCat follows those instructions.  PrettyCat is more languid and sinuous in her tail movements, as one would expect from a goddess allowing one to gaze upon her beauty.


"I am incomparable to enjoy myself when i appreciate your beautiful articles from my deep heart!"


Yeah!  I couldn't have myself it better said.  Y'all have great Thanksgiving.


6
by Barbara A./NH on 11/25/2009 04:23pm

Well, I didn't think it was so weird, because I always thought that a donut tail always stays that way! I didn't know they can relax them straight.


Tails & ears tell all. Particularly the tails. I judge my 3 oldsters by how often and when they carry their tails up. Because as they get closer & closer to chronic ailments, the tail will no longer be held up and at the most at 4-5 o'clock.


I just remarked the other day, how often the nearly 13 yr. old "beanies" (Scotties) are still rambunctious with tails up---I luv it!


However, when they walk through the clinic doors for their checkups, the tails will deflate, if not become glued to their butts! All psychological isn't it?


For a quick peek at the present #1 Scotttie visit:


http://walnut-hill.bravejournal.com


Happy Thanksgiving to all!

7
by Dr. Patty Khuly on 11/25/2009 04:02pm

If I did know everything there was to know in all its glorious details, I'd likely be the most tedious human being you ever met.


Truly though, not all of what I say is intended to be read 100% literally. ;-)


 

8
by john liberty on 11/25/2009 03:40pm

I see that Linda is disturbed that you didn't know more about dogs' tails.  I also had a reaction, but I didn't plan to mention it, as I appreciate a dog expert such as yourself who is willing to admit that she doesn't know everything that there is to know.

9
by PJB on 11/25/2009 01:26pm

oh holland, I can see both sides.  Before the Shibas, I had no idea but, with them, I can't imagine how one couldn't know all about those expressive tails and then I remember I used to be one of "them", the uninitiated in tail expressions.  After thinking about it, I realized my Shibas are not fully tail expressive at the vet's office so I can see how a vet wouldn't understand... know...  but I'll confess that my initial reaction was the same as Linda's...  Really?  Are you kidding?  Surely a vet would know THIS!


Shiba ear expressions include laying ears flat (to the side instead of back).  They look a little Yoda-ish.  You have to see their face to see the rest of the expression; could be zoning in on prey (serious mouth, slit eyes) or happy from good love (relaxed or smiling mouth, eyes closed).  My eldest Shiba was sitting on my lap with those sideways ears and I felt her body change.  She'd spied a fly that had made the mistake of lighting on the floor.  I could imagine her changing face from the latter to the former and then she lunged at the fly :)

10
by Louie's Mom on 11/25/2009 01:14pm

Louie's brother, Dewey, had a tail that was normally curled up over his back.  When he was anxious his tail would drop down and he'd hold it in a sideways "U" shape, with the tip of the tail on the bottom edge of the U-- the opposite of happy tail.  


Sometimes he would wag it slowly back and forth while it was shaped like this, and I learned that was a sign he was uncertain about something.  He was very smart and did a lot of thinking about things :)  

11
by welso on 11/25/2009 01:09pm

Adding my two cents on behalf of cat owners.  I call the tail a cat's "happy flag."  Stage 1 is straight up in the air.  Stage 2 adds a little kink at the end.  And if the cat is really happy, you get an added shiver for a stage 3 happy flag. :)


I've got one foster kitten right now that has an especially interesting tail.  Sometimes it kinks at the bottom, looking like a cowlick.  And  his shiver is so pronounced it looks like he's wagging his tail like a dog.  Cute.

12
by Erika on 11/25/2009 12:44pm

I can tell by the way my Lab carries her tail if her anal glands are impacted. Gross, yes. Informative, yes. :)

13
by oh holland on 11/25/2009 12:41pm

I am often swept away by not only Dr. K's marvelous word-way in describing the micros and macros of our experiences with animals, but many of the commenters' replies herein as well. Today is one of those days.


In the psirit of Thanksgiving, I'm honestly grateful to have a small part in this little community which opens my eyes to so much I never, ever thought about before.


(@Linda: please don't be so disdainful ... it's unbecoming.)

14
by Linda on 11/25/2009 12:26pm

I'm truly amazed that you weren't aware of how informative the carriage of tail can be. Surely you're kidding?

15
by Courtney on 11/25/2009 11:51am

I love it when you post pictures of Slumdog.

16
by KateH on 11/25/2009 11:39am

My Lab-Rottie mix has a tail that is held in a lovely swept up almost a 'c' shape, almost all the time.  We call her Pepe le Pig (she was rather porky at one time) when we see her just her tail as she walks behind the couch.  (Most people in the US have never seen a full Rottweiler tail, which does this upsweep if not cut off.)  On top of the carriage. it seems to have a seperate, perpetual motion motor, since it  wags constantly, often even when she's sleeping.


One day, about 6 years ago, I was racing to answer the phone (expecting a Very Important Call), and she was moving into my path when I ran right into her butt and as I fell into and over her, her back end landed on the floor and I landed on her tail with my knee.  She nearly bite me in her panic and pain and I yelled horribly at her both then and after the phone call (I lost the job because I was so rattled and aching during the phone interview) - yes, I was a BAD owner.


Later that evening, my friend noticed that Daisy's tail was hanging straight down, like an old, tired Lab, and after I told him what happened, we wondered if I'd broken her tail.  I took her to the vet, who examined it and yes, I had an x-ray done, to confirm there was no damage to the vertebrae.  He said I may have pulled muscles or injured nerves in her tail, and all we could do was see if it would get better with time.  I felt absolutely awful for weeks, but after a couple of months, there was noticable improvment, and after 4 months, it was back up in its happy place. 


While it may not be prehensile or load-bearing, a dog's tail has muscles and nerves that work to move it, just like the human face can move, so, yes, I don't see why it couldn't provide an indicator to aspects of attitude and health.  When I got hit in the face as a kid, it took a while for the muscles and nerves to 'let' me smile and convince everyone that I wasn't tired and/or unhappy, or in pain.

17
by Di on 11/25/2009 11:31am

Ah, I have loved my huskies' tails.  Usually carried curled when walking, but tend to go straighter when running.  Soft and pliable when relaxed.  Droopy when scolded or not feeling well or just bored. The big, sweeping, happy wag when mom's home at the end of the day.  The stiff, barely-a-wag when discovering potential prey (mouse, bird, etc) in the brush.  And the little thump-thump when laying down and seeing a loved person walk in the room or talk to them.


Adding to PJB's comment about directional ears and emotiveness - I had always heard that when a dog with erect ears are laid back flat it's a sign that they are not happy about something or even may be feeling aggressive.  With my huskies, ears laid back were most often a sign of deep contentment when getting good love.

18
by PJB http://pjboosinger.viviti.com/ on 11/25/2009 11:05am

While it is so non-specific, that tail is most certainly telling a tale if it's attached to a Shiba Inu.  It's a topic that comes up regularly amongst Shiba owners :)  My first Shiba has a tightly curled tail and, when it's limp and she's awake, I know she isn't feeling well.  My recently added Shiba has a more traditional tail, far more expressive.  She emotes (in the theatrical sense) with her tail.  Shibas also have "directional" ears but many also use them to add to the emotiveness...  Interestingly, my Lab has learned to fully curl her tail over the years and now does HER best to emote-by-tail :)


Welcome to the Tail Club

19
by EAB on 11/25/2009 10:57am

There is a limitation in communicating with animals, but it's not the animal's shortcoming, it's ours.  If we work on trying to learn our dog's language instead of the other way around, it helps in all facets of the doggie owner relationship. The tail is but the start.  Their breathing the way they stand, etc; it's all communication.  Also, if we open our mind to what the dog might be thinking, I really believe that we can communicate telepathically.  Ok, that's nuts, right? Nope.  I have read many books and stories about how animals have found their way 3000 miles or more back to home, how they have interacted with folks.  One story explained how one woman had lost her dog and about a week later, while driving to work, she had an overwhelming urge to drive elsewhere.  She went to the other side of town, and ended up at a dog shelter.  She figured it was just her emotional need for another dog, but then why a shelter on the other side of town?  She went back to the dogs and there was her dog, happy, and almost knowing she was going to be there.


I have also experienced this type of supernatural ability firsthand.  As I may have stated before, all dogs are born with a purpose and from what I can tell Tina's is being social and providing emotional support for people and other dogs.  Just last week, at the local Lowes, which allows dogs in, Debbie, one of the cashiers went to say hi.  I let go of the leash and Tina, who normally goes up to Debbie for kisses, ran by Debbie but instead of going to her she instead ran right by and was off to the races to go over by the entry door to the store.  Before I could say "Get Back Here" an old man came through the door, hanging his head, half depressed, he really looked like he was having a bad day.  Then of the sudden he saw Tina and his eyes lit up.  He started petting Tina, and smiling, talking, etc.   I watched from a distance.  When he was done she turned around and came right back over to me and Debbie.  The man came over and expressed how, basically, he needed that and thanked me for telling her to go over. Thing is, I didn't direct the dog to do it.  She knew he was coming, she felt him, his need, and she did what she was born to do.


To think that we got her off of "death row" at a local shelter.

20
by FrogDogz on 11/25/2009 10:28am

Ears on French Bulldogs serve the same puprpose - a sort of compass to their feelings.


Pickle's ears are remarkably mobile - down lower on her head when she's been told to stop begging, up high when she hears the dinner dishes rattle, at ease when she's napping.


I'm also lucky to have a few Frenchies with mobile, waggable tails, and I love seeing their little nubs swing like metronomes when they're pleased.


FrogDog Blog

21
by Posey on 11/25/2009 10:27am

Slumdog's tail sounds highly amusing. : )


It's amazing how animals can communicate without words.  My parents' younger dog has spectacular ears.  I guess it's the doberman in her that causes them to stand straight up when she's alert.  When she's playful/ happy, one ear will stand straight up while the other flops over at a right angle.  When she's stressed, they fold back. 

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About fully vetted

Patty Khuly, VMD, MBA

Photo of Dr Khuly

Dr. Khuly is a former petMD blogger and small animal veterinarian in Miami, Florida, where she practices medicine at Sunset Animal Clinic and serves on the board of the South Florida Veterinary Medical Association. She is a graduate of Wellesley College, the University of Pennsylvania School of Veterinary Medicine, and The Wharton School of Business.

As a significant sideline, she writes...a lot. She authors pet health columns for USA Today, The Miami Herald and Vetstreet. She also writes a popular monthly column for Veterinary Practice News and serves as regular contributor to Veterinary Economics, The Bark, and the Veterinary News Network.

Dr. Khuly lives in South Miami with her brood of hens, goats, dogs, cats...and humans.

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