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PZ Myers is a biologist and associate professor at the University of Minnesota, Morris.
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More articles by PZ Myers can be found on Freethoughtblogs at the new Pharyngula!

Mary's Monday Metazoan: Kinky skinky

Category: Organisms
Posted on: September 6, 2010 9:29 PM, by PZ Myers

skink.jpeg
Yellow-bellied three-toed skink

She's transitional! This is a live-bearing reptile carrying a load of eggs, and with a modified membrane to secrete calcium and other nutrients to the embryos.

She's also looking a bit pugilistic about it all, too.

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Comments

#1

Posted by: Zugswang Author Profile Page | September 6, 2010 9:40 PM

This has been getting a lot of attention in the media, lately, and for good reason, it's pretty damned cool.

#2

Posted by: sheik.djibouti.al.nayt Author Profile Page | September 6, 2010 9:41 PM

"And not a single f*** was given that day"

#3

Posted by: jcim Author Profile Page | September 6, 2010 9:48 PM

anyone else see this and immediately think it was satan 'pre-fall'???

#4

Posted by: Cuttlefish, OM, CR Author Profile Page | September 6, 2010 9:48 PM

Predictably, the comments at Nat Geo are already filled with claims that this is another of God's miracles, and evidence against evolution! (after all, her babies will look just like her when they grow up!)

#5

Posted by: Brownian, Most Vicious & Petty of Pharyngulites Author Profile Page | September 6, 2010 9:49 PM

She's absolutely adorable. Finally, a potential mate for Leto Atreides II.

#6

Posted by: Sven DiMilo Author Profile Page | September 6, 2010 9:56 PM

oy.
From the comments over there:

Evolution is adaptation. It doesn't happen overnight. These reptiles are learning in order to survive as a species, they must ADAPT, whether it be changing their reproduction lifestyle, losing a tail, growing an extra digit, whatever. Eventually, only the strong will survive, and they will have EVOLUTIONIZED into their new "species".

man, with friends like that...

#7

Posted by: Sven DiMilo Author Profile Page | September 6, 2010 9:58 PM

oh yeah: cool skink

#8

Posted by: 'Tis Himself, Quel Dommage Author Profile Page | September 6, 2010 10:01 PM

Finally, a potential mate for Leto Atreides II.

A little small, isn't she?

#9

Posted by: Glen Davidson Author Profile Page | September 6, 2010 10:02 PM

Snake envy is what I call it.

Glen Davidson

#10

Posted by: F Author Profile Page | September 6, 2010 10:07 PM

In mammals a highly specialized placenta connects the fetus to the ovary wall

Uh, what!?

man, with friends like that...

Indeed.

#11

Posted by: Antiochus Epiphanes Author Profile Page | September 6, 2010 10:21 PM

I just about had a heart attack. At first glance, I thought this was an elapid with forelimbs. I guess if you took what I don't know about squamates and wrote a book, you might be able to sell it. I guess the scales look wrong, but the eyes are mean. Maybe that's not a great diagnostic character.

#12

Posted by: F Author Profile Page | September 6, 2010 10:31 PM

but the eyes are mean.

And she's staring at PZ. Or maybe down at the embryo. Hard to say.

#13

Posted by: Brownian, Most Vicious & Petty of Pharyngulites Author Profile Page | September 6, 2010 10:39 PM

A little small, isn't she?

Oh, and I suppose you and your wife are exactly the same in terms of size, shape, and fictionality?

#14

Posted by: Antiochus Epiphanes Author Profile Page | September 6, 2010 10:51 PM

F...she's one bad motherf- (shut your mouth).

#15

Posted by: F Author Profile Page | September 6, 2010 11:27 PM

Shaft!

iz in yer handz
gonna punch yer fumbz

#16

Posted by: Joe Bloe Author Profile Page | September 7, 2010 12:08 AM

For the skinks, moms in balmier climates may opt to conserve their own bodies' resources by depositing eggs on the ground for the final week or so of development. Moms in harsh mountain climates, by contrast, might find that it's more efficient to protect their young by keeping them longer inside their bodies.

So the mountain skinks drop their young one week later than the coastal skinks. Interesting...

#17

Posted by: MadScientist Author Profile Page | September 7, 2010 12:27 AM

Transitional? But where are the feathers - or the bright yellow peel?

#18

Posted by: toddcaton Author Profile Page | September 7, 2010 1:03 AM

I thought this was another Jan Brewer post.

#19

Posted by: SonOfSLJ Author Profile Page | September 7, 2010 1:17 AM

The Tom Servo of reptiles.

#20

Posted by: Markita Lynda: Healthcare is a damn right Author Profile Page | September 7, 2010 1:22 AM

Well, that's more elegant some sharks' method of nourishing their live-born young by letting them eat one another. I suppose it's all in teh Divine PlanTM

#21

Posted by: Markita Lynda: Healthcare is a damn right Author Profile Page | September 7, 2010 1:26 AM

I mean nourishing them in utero. And of course some baby unborn sharks simply eat mom's unfertilized eggs.

#22

Posted by: TrineBM Author Profile Page | September 7, 2010 2:34 AM

That IS a cool skink. And she'll have cool little skinkelings.
She does look a bit like me when I hear anyone critizising (sp?) my son. Not that that happens very often of course.

#23

Posted by: TheRatKing Author Profile Page | September 7, 2010 2:43 AM

And because she is Australian, give her another 200,000 years and she'll develop some of the most toxic venom on the planet...

Aw who am I kidding?

She'll not only have the venom ready in just 20,000 years, but will also be able to fling her babies at you with her tail... and they will be fully loaded, too...

#24

Posted by: Marjolein Author Profile Page | September 7, 2010 5:30 AM

Awww! She's so cuuuuute!

That being said, I have to admire this species; what woman looks thát good and self-assured while being pregnant of multiple babies?

#25

Posted by: RockyHarper Author Profile Page | September 7, 2010 5:55 AM

Very nice. We have mostly Five-Lined skinks (Eumeces fasiatus) where I live. When they are young the blue tail is beautiful. I've seen them challenge a Green Anole over meal worms. The Anole's throat fan was doing overtime.

#26

Posted by: shjcpr Author Profile Page | September 7, 2010 6:19 AM

Evolution rules and P.Z. Myers is its prophet.

Evo akbar!. Evo akbar!. Evo Akbar!

#27

Posted by: Birger Johansson Author Profile Page | September 7, 2010 6:25 AM

TheRatKing: "She'll not only have the venom ready in just 20,000 years, but will also be able to fling her babies at you with her tail... and they will be fully loaded, too..."

Like some lizards, she will be able to fling her detached tail as a distraction..only, with the venomous young gripping the tail, it will be a weapon, not a distraction! When the predator succumbs to poison, the female eats it, thus getting the nourishment for growing a new tail. The scraps go to the juvenile reptiles, giving them a good start in life. After some generations, the females will actively seek out predators to lure them close.
--- --- --- ---
Add post-apocalyptic radiation (left behind by Mel Gibson et al) her offspring will develop into telepathically connected group minds predators, making the reptiles the dominant life form of the continent.

#28

Posted by: Kel, The Privileged View From Nowhere Author Profile Page | September 7, 2010 6:47 AM

pfft, transitional forms are just a theory ;)

#29

Posted by: David Marjanović Author Profile Page | September 7, 2010 9:38 AM

anyone else see this and immediately think it was satan 'pre-fall'???

Nope. I thought about the balaur with the golden scales. :-)

#30

Posted by: neon-elf.myopenid.com Author Profile Page | September 7, 2010 10:01 AM

What a cute critter! I love the little legs! And a really interesting adaption.

#31

Posted by: Reed Author Profile Page | September 7, 2010 10:31 AM

Anyone else think she looks like a minature otter?

#32

Posted by: Acronym Jim Author Profile Page | September 7, 2010 10:33 AM

"The Yellow-bellied Three-Toed Skinks." What a great name for a band.

#33

Posted by: llewelly Author Profile Page | September 7, 2010 10:53 AM

Brownian, OM | September 6, 2010 9:49 PM:


She's absolutely adorable. Finally, a potential mate for Leto Atreides II.

There is certainly an appealing similarity of shape. But Leto Atreides II was, what, 15 meters long? Whereas this skin is, what, maybe 5 centimeters long? The Pomeranian / Great Dane couple would have nothing on Leto II / Lady Skink .

#34

Posted by: MosesZD Author Profile Page | September 7, 2010 11:06 AM

This so so cool!

#35

Posted by: MosesZD Author Profile Page | September 7, 2010 11:47 AM

Posted by: Reed | September 7, 2010 10:31 AM

Anyone else think she looks like a minature otter?

Yes! Her face and upper-body did give that imperssion at first.

#36

Posted by: Dude... Real Men Watch Ponies! Author Profile Page | September 7, 2010 12:02 PM

Cool.
Quick question, does those leg actually support her, or does she move around like a snake?

At first I thought it was a transitional form between a lizard and a snake.

#37

Posted by: Silič O'Nopolitanopoulos, Färschdbischuf Beesknees aus Ulm und Klein Elguth, Elector Pharynguline. Author Profile Page | September 7, 2010 12:15 PM

There is certainly an appealing similarity of shape. But Leto Atreides II was, what, 15 meters long? Whereas this skin is, what, maybe 5 centimeters long?
You know men. Always insecure about size.
#38

Posted by: TheRatKing Author Profile Page | September 7, 2010 5:42 PM

@UberFubarius - The legs are probably still mobile, but they are far too small to provide any sort of support. That lil beauty would slither about much like a snake, though since she doesn't have much length to her, she's probably quite a bit slower.

#39

Posted by: Kinnell Author Profile Page | September 7, 2010 9:05 PM

anyone else see this and immediately think it was satan 'pre-fall'???

Strange - the first thing I thought was it's a baby Jabba the Hutt.

#41

Posted by: John Scanlon FCD Author Profile Page | September 8, 2010 2:04 AM

Antiochus, there is something rather Notechis or Naja about the head, I agree.

There are lots and lots of elongate, reduced-limbed skinks in Australia, in every habitat from rainforest to sand dunes, and most of them make quite acceptable snake food (e.g. there are sand-swimming snakes that specialise on sand-swimming lizards...). Where I grew up these things (three-toed, Saiphos equalis) were the easiest reptiles to find in the backyard, under small rocks and leaf litter. Like other nearly-limbless skinks, this one is mainly a burrower and you don't see them alive on the surface. I didn't know about their reproductive oddities (until a couple of decades ago...), but every few years there'd be a massive die-off, and when I checked the corpses they all seem to have undergone multiple John Hurt-like Alien exvasions from the body cavity. They come out in the open to die, which probably helps the parasites move on to the next host. Not sure what the little horrors were (duh, parasitic invertebrates don't have what I'd call morphology); but probably not coincidentally, it's well-known among Australian herps that you don't feed Saiphos to snakes or they will die. Don't know if it's known whether their flesh is actually toxic, or just those really bad bugs.

#42

Posted by: great.american.satan Author Profile Page | September 8, 2010 8:24 AM

@25, When I was in a zoo in Wichita recently, one of the animals I found most memorable was not an exhibit. It was a juvenile 5-lined skink. Having not been familiar with the species, I first thought it might be a little whiptail lizard ( http://www.reptilesofaz.org/Graphics/Lizards/ASPUNI-2004.jpg ). Lizards are too damn cute.
My other take-away from the zoo: Luzon bleeding-heart doves are cheeky and blue macaws are attention whores. And megafauna in captivity are depressing as hell.

#43

Posted by: casey.oneill.is Author Profile Page | September 8, 2010 10:25 PM

Is it so wrong that the first thing I thought when I saw this was that there should be another so that there could be an awesome skink high five?

That and the whole geek side of me remembering fighting lizardman armies and how much I hate skinks.

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