Spiny Mice Have Bones in Their Skin

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In the evolutionary arms race between predator and prey, mammals have mostly gotten the short end of the stick when it comes to body armor.
There are, of course, a few exceptions to this rule... And that makes these super-healing spiny mice super weird mammals.
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Опубликовано:

30 сен 2024

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Комментарии : 127

@ebonyblack4563 10 месяцев назад

Spiney mice to the tail dropping lizards: "Can we copy your homework?" "Yeah, just change it up a little."

@davidbarkin8269 8 месяцев назад

Grey Squirrels, while they lack ostoderms CAN give up their tails to twart predators and the tails grow back... 🙂

@OBIIIIIIIII 10 месяцев назад

I’ve worked with Turkish spiny mice. They’re data deficient so we don’t know if they’re extinct in the wild (the earthquake will not have helped them) or if they’re their own species, or a subspecies of the Asia Minor spiny mouse. Certainly one to watch for future research

@Eisenwulf666 9 месяцев назад

i was wondering, because them being african made me immediately think of afrotheria. Yet here they show them belonging in the muridae. So they probably came to Africa at a later time. Very interesting little critters

@KabuMontasaurios 9 месяцев назад

You are awesome! :)

@OBIIIIIIIII 8 месяцев назад

@@Eisenwulf666 yes they are muridae

@Sinnistering 10 месяцев назад

Ohhhh, I'm so happy you're still doing regular episodes. I was worried with the remastering announcement these would go on hiatus. I just love Sarah's energy and funky style in these.

@blobfishthedevourer3735 10 месяцев назад

They basically reinvented the tail-losing ability of most lizards, though in this case it’s more like tail-loosening. Quite wierd

@tomholroyd7519 10 месяцев назад

when the show started I was like "not unless their bones stick out of their skin!" and then later I was like whoa a mammal with osteoderms 🤯

@deinsilverdrac8695 10 месяцев назад

Armadillo in the corner, with a judgmental look : Pathetic.

@RiverWilliamson 10 месяцев назад

For real. Live osteoderm react

@theshuman100 10 месяцев назад

@@deinsilverdrac8695look how much they need to mimic just a fraction of our power

@whywatt733 10 месяцев назад

Ground sloths had osteoderms as well. On the belly and flank.

@starstorm1267 3 месяца назад

Pangolins: *disappears from existence*

@eRic-hr3yl 10 месяцев назад

When you talked about inner bone armor I thought the video was going to be about the armored or hero shrew, that *is* a true skeleton armor entirely made of actual inner bone.

@weirdalexander8193 10 месяцев назад

I heard native people in their habitat balance on one foot on top of them, then step off so that it scampers away unaffected. Why? To let the tourists know that you don’t screw around in the African savanna, because what the heck did that bootleg mouse evolve to survive?

@wxlurker 10 месяцев назад

That sounds fascinating I’m gonna have to google them

@MikeAG333 9 месяцев назад

Unbelievable little creature, that can bear the weight of an adult (human) standing on it.

@angelalewis3645 Месяц назад

No way! Now I’ve got to look them up.

@astick5249 10 месяцев назад

I still cant get over the fact that these mice literally give up their skin and grow it back like a lizard does its tail.

@travvitz 10 месяцев назад

Im so excited to see an episode about spiny mice!! Part of my job is maintaining a research colony of spiny mice.

@travvitz 10 месяцев назад

Another really interesting thing about spiny mice is that they have a long gestation for a rodent and give birth to precocial young!! They do most brain and organ development while still in utero, as opposed to mice and rats, which finish up brain and organ development after being born. Plus spiny mice menstruate!

@you1027 3 месяца назад

My internet-addled brain 100% read that title first as "spicy mice"

@facelesscleric2744 10 месяцев назад

I used to have some pet gerbils, I had no idea they had such an interesting relative.

@Jibash 10 месяцев назад

Nothing goes better with Bizzare Beasts goofy music than easily teaeing skin Thinking of these poor guys makes me quiver

@CasaVipera 10 месяцев назад

I worked with Sinai spiny mice (A. dimitiatus) they are hella resistant to snakevenom!

@joshdoe7288 10 месяцев назад

I actually work with spiny mice daily for my career! They’re being used in biomed research

@LimeyLassen 10 месяцев назад

Careful about the spines!

@cuddlepaws4423 10 месяцев назад

I'm sure the mice feel VERY privileged being used as research subjects and furry test tubes.

@travvitz 10 месяцев назад

I also work with spinies for research :)

@NewMessage 10 месяцев назад

Spiny mouse fashion is really on-point!

@winterwatson6811 10 месяцев назад

psa: don’t search for degloving images

@victoriaeads6126 10 месяцев назад

I already ordered a banner last month, hoping it arrives with my adorable spiny mouse pin!! Glad to see Sarah. I'm thrilled to see the OG vlogbrothers episodes remastered, but I also love your regular content. It wasn't clear whether they would run concurrently. I just discovered BB in the summer, so I was also excited at the chance to purchase some of the original pins!

@mikehammerbach9413 8 месяцев назад

I had an Egyptian spiny mouse that the pet store gave me cause she was missing most of her tail. She was the sweetest little critter. I miss you, Bodhi, wherever you are ❤

@victoriaeads6126 10 месяцев назад

Sarah, you've got BOTH a face for TV AND a voice for radio. I love how you've settled into hosting BB, and I look forward to more of this plus whatever else you end up doing on your journey. TY!

@Junketh71 10 месяцев назад

Maybe you can discuss African flying squirrels next? They got scales on the bottoms of their tails.

@PanikaMCD 10 месяцев назад

I had Egyptian spiny mice growing up and can confirm the degloving is weird. it happened most often before we knew we needed to add some meal worms to their diet. they’re on the monkey pox list now, but you can find some breeders in the US. they live quite a long time for mice, have litters of 1-2 pups, and bite very hard so kids won’t be tempted to take them out all the time which makes it less likely that you’ll have kids leaving their enclosures unsecured-though we did have a raccoon that wiped out a whole terrarium of females once and had to make them their own special enclosures which were even more secure than rocks on top of a terrarium. 10/10 would have them again if I didn’t have to have them sent by freight from Kansas to obtain them.

@TedH71 10 месяцев назад

Apparently they're the food most highly preferred by ball pythons because they share the same habitat in Africa. If you have a baby ball python that is refusing to eat, often you can rub a thawed dead spiny mouse on a regular mouse item, the baby will take it more readily.

@PanikaMCD 10 месяцев назад

@@TedH71 makes sense, but it also makes me sad since spiny mice tend to have some personality.

@megamike420 3 месяца назад

I had an African spiney back mouse when I was young! Splinter was a great mouse!

@evilsharkey8954 10 месяцев назад

I’m aware that gerbils can deglove their tails, too. I learned that the creepy hard way.

@Cillana 3 месяца назад

Same

@teawrecks1243 10 месяцев назад

0:59 "You thought it was an ordinary mouse, but it was me, DIO-myinae! WRYYYYY!"

@LordBrittish 10 месяцев назад

Here I come to save the daaay! Spiny Mouse is on his waaaaay!

@astick5249 10 месяцев назад

the only reason i know this is because my dad occasionally chants this

@jospinner1183 2 месяца назад

At least one species of spiny mouse (the Cairo spiny mouse) has another anatomical oddity: females have a menstrual cycle instead of an estrous cycle. The vast majority of mammalian species (like >98%) have an estrous cycle, where the adult female is fertile for a period, then the body re-absorbs the endometrial lining that was prepared in advance for potential pregnancy. Humans have a menstrual cycle instead, where the endometrial lining is shed and excreted from the body during the menstrual period. As far as we know, the only menstruating mammals are humans, ten monkey and ape species, four bat species, the elephant shrew, and the Cairo spiny mouse. These distantly-related taxa suggest that menstruation evolved independently at least 4 times in several lineages. So yeah, Cairo spiny mice are weird for multiple reasons.

@FlinnGaidin 3 месяца назад

My cat once caught a mouse,...the mouse degloved its tail and got away, though at the time I didn't know that this something the mouse did on purpose, lol. Have caught (and released) spiny mice in traps as well, cute little buggers.

@MaryAnnNytowl 9 месяцев назад

And here I was hoping they had some armor hidden up around their torso. 😂 Dang it! Quite a fascinating little critter, though! If we can figure out how they heal so well, imagine what we could do! I'm mainly thinking of those with spinal cord injuries, but I can see it helping everyone from burn victims to those who had necrotising fascitis (sp?), or any kind of serious skin injury or disease.

@sainjawoof3506 10 месяцев назад

Woohoo a RODENT🐭, and from Africa 🌍, two of my loves represented this month! Edit: their tearaway skin reminds me of Ehlers Danlos Syndrome

@telegramsam 10 месяцев назад

Being able to regrow nerves and their spinal cord and have them be functional is way more interesting than the tails imo. Imagine being able to reproduce that mechanism in people! Paralysis would be treatable.

@Cillana 3 месяца назад

I was not surprised when you said their closest relative was gerbils. I had gerbils as a kid and once accidentally grabbed one by the latter half of the tail while trying to catch it (little escape artists kept getting out of their cages) and that part of the tail degloved. 😢 My book said to only grab the base of the tail but didn't say what would happen if I didn't! This was pre-internet days. He later chewed off the degloved portion of his tail. 😳 I was horrified by the whole experience, but the new end of the tail healed fine and he lived a normal gerbil lifespan just with a shorter tail.

@tylerhloewen 10 месяцев назад

How did they not mention armadillos when listing armored mammals? I thought those were the most iconic armored mammals. Definitely the first thing that came to my mind.

@Cillana 3 месяца назад

I was thinking the same but then she mentioned them later when talking about osteoderms. I assume they wanted the first list to include mammals with only keratin armor. Armadillos have both.

@thatcorpse 10 месяцев назад

degloving is usually reference to the skin on your hand. Do not Google during a meal.

@albertonykus 10 месяцев назад

Great spotlight on these critters! Check out the maned rat (Lophiomys imhausi) for another bizarrely defended (and secretly armored!) rodent.

@VictoriaEMeredith 3 месяца назад

Maned rats have a full-body mohawk! Very cool critters.

@jenniferstrover1276 7 месяцев назад

Super healing, armoured bones... this is the Wolverine mouse

@skyem5250 10 месяцев назад

Mouseteoderms

@camerongrow6426 9 месяцев назад

This thing keeps sounding more and more like a Pokemon

@cyrilio 10 месяцев назад

Love the pin display banner merch. Made something similar myself for the pins I have but if I hadn't I'd definitely consider getting one from Bizar Beasts.

@solsoman102 10 месяцев назад

i love your hair!

@jamesleatherwood5125 6 дней назад

OHHHHH!!!! THATS what its called. I had a gerbil once that got away from me and tried to burrow into the couch cusions, and i grabbend its tail only for the muscle and bone to desheath from the skin and leave the sheath in my hand. We eventually got the gerbil back and put it back in its cage, the next day the tailbones and muscels were all stiff and rigid. We called the pet store we had gotten from and since the incident happened on the day we brought the gerbil home, they exchanged it for another gerbil. They never rally explained much other than to say that kind of thing happens sometimes, not to worry about it. Yay! I finallty know the name of the phenomenon! Woot!

@destiny5544 10 месяцев назад

I had a family of them when I was a kid. I loved them so much. The spines didn't stop my mom's cat 😢

@matthewharris-levesque5809 3 месяца назад

Unfortunately, degloving is not unique to Acomys. I once had a roommate who's rat did this. It happens in other rodents too. Spiny mice were popular in the pet trade in my area about 20 years ago; they made for decent pocket pets.

@dracodracarys2339 10 месяцев назад

Discount armadillo.

@bbbenj 9 месяцев назад

Such adorable creatures!

@jademcgill7135 10 месяцев назад

Do degus’ also have this?

@paulkinzer7661 10 месяцев назад

I love the fun music played in the background as you describe these cute but very strange critters!

@lolnamelollastname9788 Месяц назад

I wonder if these creatures could be used in researching FOP/human statue syndrome or EB

@feralbluee 3 месяца назад

3:49 “and even frogs.” oops! frogs Are amphibians ?? 🐸 frogs, toads, salamanders, and newts. 🌷🌱

@takenname8053 10 месяцев назад

Didn't know I was going to learn about the convergent evolution of tear away tails between lizards and mice!

@Vocalinds 9 месяцев назад

I love your videos, but I wonder if you could turn down the background music a bit? I absolutely cannot concentrate on what you're saying becaise the music is too loud!

@kolt9051 10 месяцев назад

how fun. thanks!

@Atomy111 3 месяца назад

Degloving is also something that can happen to you if you get grabbed by machinery

@quinn_griffin 9 месяцев назад

I recently learned about the African Crested Rat, another rodent with an interesting defensive adaptation.

@RealSaintB 3 месяца назад

Degloved is always bad when talking about skin...

@PHiLLy2c 3 месяца назад

Its a togedemaru (generation 7 pikachu clone)

@Sazoji 10 месяцев назад

yea but do the other spiny mice that can't deglove also have dermal bones?

@YunxiaoChu 5 месяцев назад

Why do they need osteoderms if they chew up their tail anyways?

@Aztesticals 3 месяца назад

Wait this inspired the yughio card ten thousand Needles

@oopsy444 8 месяцев назад

I read the title as spicy mice and was genuinely curious what made them spicy

@paytonpryor 3 месяца назад

Grey squirrels can deglove their tails as well.

@Kazzzack 10 месяцев назад

Thank you for not showing the degloved tails lol

@markrix 9 месяцев назад

Mz host is easy on the eyes 🙂 Is her hair starting to preform photosynthesis?

@isacyuh 6 месяцев назад

why did I read it" Spicy" not SPINY 😂

@angelalewis3645 Месяц назад

They’re like the lizards that detach their tails!

@billorarson-andersson497 10 месяцев назад

Giant sloths had osteoderms throughout their bodies

@evanl6819 10 месяцев назад

clan moulder really outdid themselves this time

@therongjr 10 месяцев назад

I was not expecting evulsion in this video 🤮

@greensteve9307 10 месяцев назад

No mention of echidnas? Disappointed!

@MrDaftFunk 9 месяцев назад

Intelligent and has great personalities!

@m.nic.5080 9 месяцев назад

Had two of these as pets for a few years. They’re weird little critters and nothing like regular mice, rats, or hamsters. IIRC importing them into the USA was banned in 2020 so I don’t think any more are in the pet trade here anymore but they were great while they lasted.

@fernandoflores3161 9 месяцев назад

And what about armadillos?

@gavinlee4537 10 месяцев назад

I’m just here for my recommended.

@melodyszadkowski5256 10 месяцев назад

I cannot WAIT to get this pin! I will have to find a better display location than my backpack for this one.

@robertmcauslan6191 10 месяцев назад

These were my absolute favorite rodent to work with. I think they make great pets, compared to hamsters and other mice. They are born semi precocious, like guinea pigs. I dis find that I get species aggression was usually taken out on the tails.

@PokeMasrerJ 10 месяцев назад

Want to make sure I have all this right. For one, they have some tough bones in their tails, that makes it hard to get through, and they have almost a "second skin" on their tails that can come off?

@ThuậnHòa-p2t 4 месяца назад

Pins of spiny mice be like:

@Eisenwulf666 9 месяцев назад

"Amniotes, the group that includes all reptiles, mammals and birds". Birds are reptiles. At least phylogenetically. Anyway, i get it, the video has to be easy to understand for a large audience, so why not..

@mayaenglish5424 8 месяцев назад

And if we get pedantic enough, people are fish, so... yanno, we have to cut it off somewhere.

@Dr.Ian-Plect 25 дней назад

@@mayaenglish5424 No, we are not fish. And don't even think of flinging 'cladistics' and 'sarcopterygians' at me.

@mecahhannah 10 месяцев назад

Awesome as always thanks

@WedgyBlue 8 месяцев назад

electric, rock, or steel type?

@anaconda6016 10 месяцев назад

BONE MICE

@MariaMartinez-researcher 10 месяцев назад

(Gotta love scientists committed enough to study mice tails 🐀)

@bowen13 10 месяцев назад

Thought this was gonna be the hero shrew, but still cool!

@doogandoggin2571 10 месяцев назад

Did she just suggest putting a new pin in a spiny mousr?

@aquasaurusrex2509 10 месяцев назад

Clints worst nightmare- a mammal that can drop its tail

@windlessoriginals1150 10 месяцев назад

🐭

@NoahSpurrier 10 месяцев назад

Gerbils seemed to have solved the same problem by having short tails. Hamsters, too.

@napoleonfeanor 9 месяцев назад

Humans,too ;)

@cuddlepaws4423 3 месяца назад

Have you ever seen a gerbil? They have tails.

@jamesleatherwood5125 6 дней назад

5:37 Three blind mice, Three Blind Mice, See how they run! See how they run! They all ran after the farners wife, she cut their tails off with a carving knife, have you ever seen such a sight in your life as the three blind mice! (Sorry, I heard the word "mice" in the sane sentence as one of the "=ife" words in that nursery rhyme. Had to!. lol)

@ArtisticNightmares 10 месяцев назад

The mild awkwardness, the animal logic or somebody did this video yesterday

@dracodracarys2339 10 месяцев назад

Discount armadillo.

@feedmewifi_477 9 месяцев назад

i did research on spiny mice, studying their neuroregenerative ability and also working on a complete reference genome for use in studying their transcriptome

@dracodracarys2339 10 месяцев назад

Discount armadillo.

@jamesleatherwood5125 6 дней назад

5:59 Wait wut! I paused the video at the degloving statement to talk about my gerbil experience! and Gerbils show up! I gues its a familial shared trait! lol Sweet!

@tribbergrips1613 3 месяца назад

You dont have to talk like you are on a kids pbs show. I'm 35...

@Lenny-by8qs 10 месяцев назад

First

@theobserver9131 10 месяцев назад

Aww. So cute.

@toddhollen 10 месяцев назад

Until John and Hank condemn the genocide by Israel against thee Palestinians and call for at least a ceasefire, I can't support this channel anymore. It's really disgusting that people are silent or even justifying the extermination of millions of people.

@thecannonball34 10 месяцев назад

That is so hilariously beyond the scope of this channel.

@markrix 9 месяцев назад

Very true. Regardless, war no good.

@mayaenglish5424 8 месяцев назад

Yeah, because they are all powerful and can command the leaders of foreign countries to stop being terrible. Clearly it's all their fault! 🙄 look, what's happening is horrible, but harrassing people online about it helps precisely nothing. It's also extremely entitled and hypocritical, this is the tragety you give a particular crap about, you aren't shouting about the 5,000 other monstrous things happening in the world, including other genocides, does it make you a bad person for not speaking about them? (of course not, no one can be involved with everything).

@cuddlepaws4423 3 месяца назад

Keep the politics out of science in ALL areas.