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Scott Hartman Profile
Scott Hartman

@skeletaldrawing

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Father & Husband, vertebrate paleontologist, drawer of skeletals. Associate Professor at UW-Madison (anatomy & physiology, evolution, dinosaurs).

Madison, WI
Joined June 2009
Don't wanna be here? Send us removal request.
@skeletaldrawing
Scott Hartman
4 months
Tragically, a brief snowstorm killed off my lawn dinosaur.
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@skeletaldrawing
Scott Hartman
2 years
Whomp, there it is!
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@skeletaldrawing
Scott Hartman
3 years
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@skeletaldrawing
Scott Hartman
1 month
We need some paleoartists to dinosaurs in this style!
@EllenFWalker
Ellen Walker MA (RCA)
1 month
One of my favourite weird art trends is that thing in 19th century Britain where landowners would flex how big their livestock was by having them painted as chonked rectangles and oblongs
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@skeletaldrawing
Scott Hartman
2 years
I think this is the best animated Apatosaurus I've ever seen.
@Syn_JFD
Ben
2 years
Apatosaurus louisae.
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@skeletaldrawing
Scott Hartman
2 years
For #FossilFriday have a skeletal of the very thiccc Saltasaurus - osteoderms not included (due to a lack of knowledge of their distribution).
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@skeletaldrawing
Scott Hartman
3 years
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@skeletaldrawing
Scott Hartman
2 years
Since it's apparently #DeinonychusDay as well as #FossilFriday I will post this alternative-posture Deinonychus skeletal without further comment. For now...
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@skeletaldrawing
Scott Hartman
2 years
Here, here! Don't use ostrich toes as a guide to other bird feet, let alone non-avian dinosaur feet.
@MarkusBhler10
Markus Bühler (Bestiarium-Blog)
2 years
I just can´t emphasize enough how bloody bizarre #ostrich feet are. I just found this pics I took some years ago during a visit of an ostrich farm. The amount of modification from the original bird foot is just staggering, nearly alien.
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@skeletaldrawing
Scott Hartman
3 years
This lovely dinosaur doesn't seem irritating at all....
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@skeletaldrawing
Scott Hartman
11 months
For #FossilFriday , how about a new skeletal of the poorly known and rarely discussed dinosaur called Tyrannosaurus rex? This one is based on The Nation's T. rex specimen, which is on display at @NMNH
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@skeletaldrawing
Scott Hartman
3 years
Here's a Pride Stegosaurus, just in time for Pride Month.
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@skeletaldrawing
Scott Hartman
1 year
Hey @Walmart - why are you using my (and others') copyrighted material without permission?
@PPaleoartist
Petite Paleoartist | Sauriazoicillus 🍥
1 year
ive just been informed that walmart has decided to sell a tshirt and shorts which uses copyrighted skeletals from @Randomdinos01 , @skeletaldrawing , and Lukas Panzarin, as well as not the crediting a wikipedia skeletal by D. Guevara
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@skeletaldrawing
Scott Hartman
2 years
I'm not doing anything cool for Halloween, so here's an appropriately-themed Deinocheirus skeletal for your amusement.
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@skeletaldrawing
Scott Hartman
2 years
What do I have here....
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@skeletaldrawing
Scott Hartman
4 months
Everyone is excited over the new scraps of tyrannosaur, but how about this fossilized skin from early amniotes?!!
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@skeletaldrawing
Scott Hartman
2 years
@arvalis @dcidaho Honestly, most of the museum people I've interacted with are solid individuals who don't want to screw over artists (or anyone else), although obviously there are exceptions to this.
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Scott Hartman
3 months
Sigh...egg-laying mammals only seem weird as an accident of the K/Pg extinction, before that they were common. They don't have a duck bill, it's soft and pliable and only superficially looks duck-like.
@Rainmaker1973
Massimo
3 months
The platypus is possibly the weirdest animal: it's a mammal but lays eggs, it's duck-billed, beaver-tailed, otter-footed and venomous. It has electroreceptors for locating prey, eyes with double cones, no stomach, and 10 chromosomes. It's fluorescent and glows under UV light.
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@skeletaldrawing
Scott Hartman
5 years
In honor of the 50th anniversary of the naming of Deinonychus here's my updated skeletal, restored with more complete...lips.
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@skeletaldrawing
Scott Hartman
4 years
As long as I'm posting flightless theropods, here's Dinornis robustus, the giant moa from the southern island of New Zealand.
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@skeletaldrawing
Scott Hartman
4 years
My older Triceratops skeletal has always been based on a subadult specimen, but for the @NMNH overhaul they naturally wanted Hatcher's skull. So here's a more mature T. horridus for you all:
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@skeletaldrawing
Scott Hartman
1 year
It was a pleasure working on this season - so hyped to see it!
@AppleTV
Apple TV
1 year
66 million years ago is closer than you think.
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@skeletaldrawing
Scott Hartman
3 years
Here's an previously unreleased theropod skeletal - the northern cardinal!
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@skeletaldrawing
Scott Hartman
3 years
Have some ichthyosaur skeletals, because they're awesome!
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@skeletaldrawing
Scott Hartman
5 months
Well this is genuinely neat. Juvenile tyrannosaurs ate little feathered oviraptorosaurs. Not a huge surprise, but always great to get direct confirmation via gut contents like this!
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@skeletaldrawing
Scott Hartman
2 years
It's scheduled for some updates this summer, but since it's #VelociraptorAwarenessDay I'll go ahead and post my two-view skeletal:
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Scott Hartman
10 months
Ooh look, Furcatoceratops was published! Here's a skeletal of the critter I did for the RMDRC & @Mosasaurologist back in the day. Congrats to Ishikawa and colleagues on naming it! (reposted to correct typos, sorry).
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Scott Hartman
5 months
Hmmm...what could be in here??
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@skeletaldrawing
Scott Hartman
1 month
Yay, squarosaurs!
@johnnykcage
Johnnykcage (Commissions Open)
1 month
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@skeletaldrawing
Scott Hartman
2 years
I commissioned a Hesperornithoides from @WryCritic and it arrived - I love it! Also, for anyone considering commissioning Natalia, I'd add that it was a great experience.
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Scott Hartman
12 days
Every museum with the terrible old-fashioned Deinonychus skull reconstruction should get one of these.
@ruadhribrennan
Ruadhrí Brennan
12 days
Just added this #Deinonychus to the Bargain Bin at Scaled Beast!
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@skeletaldrawing
Scott Hartman
2 years
There it is. Spinosaurus and (to a lesser degree) Baryonyx have denser bones (pachyostosis) for _some kind of water foraging_ - although IMO the real headline here is that it Suchomimus does not
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Scott Hartman
4 years
Oh snap! This Baryonyx is fucking spot-on. Almost like the movie didn't have to use a bullshit monstrosaur in its place.
@digital_duck
Digital Duck (Max Bellomio)
4 years
WIP shot for my Jurassic World Baryonyx video. This video will take a long time to finish as I am editing the entire scene, so here's a preview.
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Scott Hartman
7 months
Hallelujah! Discovering this while at the Society for Vertebrate Paleontology annual meeting feels especially appropriate. Thanks to Wikipedia and it's editors for entering the 21st century on this topic!
@Dinoh555
Dactylioceras
7 months
The Poll has Spoken...Victory Now All Bandits can COPE hard
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@skeletaldrawing
Scott Hartman
4 years
Here's another skeletal I can share now: Hesperornis. It was doing the flightless bird thing before it was cool.
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Scott Hartman
4 years
I know it's been forever and a day since I posted a new skeletal drawing, so here's a Prosaurolophus maximus for you.
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Scott Hartman
2 years
If you're wondering how busy doing a PhD can be - the Auroraceratops monograph (which I did the skeletal reconstruction for) was published in 2019, and I totally forgot to post it to my website until now. Anyhow, here's a basal neoceratopsian for you.
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Scott Hartman
1 year
A solid update to the skeletal as well! The authors are right to point out the overly vertical anterior ribs inflated the torso and messed up the CoG in the original, but there may be even more room here to shrink the front of the torso.
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@skeletaldrawing
Scott Hartman
2 years
One of my comparative anatomy students shared a meme he made studying for the phylogeny portion of the course. I am so proud!
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@skeletaldrawing
Scott Hartman
2 years
Damn....
@Syn_JFD
Ben
2 years
Cotylorhynchus hancocki.
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Scott Hartman
4 years
Man, this looks really nice.
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@skeletaldrawing
Scott Hartman
2 years
Have an updated skeletal reconstruction of Hesperornithoides for #FossilFriday
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@skeletaldrawing
Scott Hartman
8 months
This is only surprising if you bought into the simplistic, trees-down "Archaeopteryx is the first bird" narrative of flight origins. The long-burn exaptation (with major terrestrial elements) model predicts this.
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@skeletaldrawing
Scott Hartman
3 years
It was brought to me attention that I hadn't replaced the older version of this skeletal on my website. So until I get a chance to do so, here's the updated, more vertically-oriented Mamenchisaurus youngi skeletal.
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Scott Hartman
1 year
Not going to lie, it feels good seeing your name in the credits - I'm glad they seem to have listed all of the VFX crew this time so they can enjoy it as well - it takes an army to recreate dinosaurs (and other extinct critters) like this! #PrehistoricPlanet2
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Scott Hartman
4 years
I was trying to decide what stunt to do for crossing 8,000 followers. I settled on defending my PhD this morning.
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@skeletaldrawing
Scott Hartman
1 year
Since Daspletosaurus is in the news again today (congrats @df9465 !) I thought I'd repost my D. torosus skeletal. I hope all my US followers enjoyed a great Thanksgiving!
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@skeletaldrawing
Scott Hartman
4 years
May dinosaurs and the fourth be with you.
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@skeletaldrawing
Scott Hartman
4 years
While my macronarian skeletals may have anticipated the excellent work published today by @raptordanny and coauthors, several of my diplodocids will need to be reposed. In fact, I sat on this skeletal of Apatosaurus for almost two years because it seemed so strange.
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@skeletaldrawing
Scott Hartman
2 years
For #FossilFriday , here's my (slightly updated) Mbiresaurus skeletal drawing.
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@skeletaldrawing
Scott Hartman
2 years
@MarkWitton Same energy...
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@skeletaldrawing
Scott Hartman
2 years
Almost like tooth size has nothing to do with the likelihood of lips...
@TM9380
Taylor McCoy 🦖
2 years
I’m today’s edition of “cute face, terrifying skull,” I give you the worm lizard Blanus! Like, this is just straight up cursed!
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Scott Hartman
4 years
I love the artistry and process for both cakes. Neither is scientifically perfect (it's cake, duh!), but when it comes to anatomical accuracy #TeamBuddy wins hands down. Congrats!
@FoodNetwork
Food Network
4 years
You HAVE to see #TeamBuddy 's life-size dinosaur cake! #BuddyVsDuff
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@skeletaldrawing
Scott Hartman
4 years
Skeletal of Sinosauropteryx, the first published non-avialan theropod with preserved dinofuzz. It was a cute little bugger!
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@skeletaldrawing
Scott Hartman
7 years
Holy crap!
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@skeletaldrawing
Scott Hartman
2 years
Ok, NOW it's official. This was an amazing project to contribute to. Get hyped.
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Scott Hartman
5 months
I'm sorry, but as long as there is no raw data, and no one is willing to come forward to say "we ran this at our lab" then it's hard to accept it isn't fraud, and at the very least the paper should be retracted since it's not reproducible.
@TomHoltzPaleo
Thomas R. Holtz, Jr. 🦖💕 (he/him)
5 months
Dino extinction researcher committed research misconduct—but not fraud, university report finds | Science | AAAS
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@skeletaldrawing
Scott Hartman
4 years
I'm thrilled to announce I am joining the Department of Integrative Biology as an Associate Lecturer at the University of Wisconsin-Madison. I will be teaching comparative vertebrate anatomy, animal physiology, and other (some new) courses.
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@skeletaldrawing
Scott Hartman
2 months
This canyon is pretty grand.
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Scott Hartman
3 years
Friends!
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@skeletaldrawing
Scott Hartman
27 days
Cool study, except you can ignore the Deinonychus results, as unfortunately they used one of the fanciful, sculpted skull "casts" as the basis for the analysis.
@albertonykus
Alberta Claw
27 days
Morphological disparity and structural performance of dromaeosaurid skulls: #dinosaurs
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@skeletaldrawing
Scott Hartman
2 years
Happy #PortfolioDay - As my Twitter handle suggests, I mostly do skeletal reconstructions and anatomical diagrams. But I've also been known to do life reconstructions and someday(TM) I'll finish one of my full-scene WIPs that have been hanging around forever.
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Scott Hartman
3 years
What an adorable little baby dinosaur!
@mayahiga
Maya
3 years
baby watermelon is growing
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Scott Hartman
9 years
#SciArt Proper theropod locomotion - notice the toes pushing off and the knee not hyper-extending. #DoItRight http://t.co/N6d1ivajRx
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@skeletaldrawing
Scott Hartman
2 years
I am spoilt for paleo-books to read at the moment!
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@skeletaldrawing
Scott Hartman
1 year
All dinosaurs almost certainly DID lay eggs.
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@skeletaldrawing
Scott Hartman
11 months
Drop a cool photo that someone took of you doing your job (a long time ago now...)
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@TyrantLzrdQueen
Amelia R. Zietlow 🦎
11 months
Drop a cool photo that someone took of you doing your job
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Scott Hartman
10 months
I would like to take a moment to re-register my hatred for armored dinosaurs. Please send thoughts and prayers during this difficult time.
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@skeletaldrawing
Scott Hartman
2 years
This example is going straight into my science and media course next spring.
@commentsooc
tiktok comments
2 years
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Scott Hartman
6 years
Since it's #IntlDimetrodonDay , I ought to post the Dimetrodon skeletal I did for @permiawear
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@skeletaldrawing
Scott Hartman
6 months
This is one of the best explainer videos I've seen, and it's on a fascinating paper about starfish development.
@Nature
nature
6 months
How would a starfish wear trousers? ⭐️👖 Science has an answer
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@skeletaldrawing
Scott Hartman
2 years
#JurassicWorldDominion spoiler warning! ------------------------------------------ A scaly, overly-spiky, lipless old-school Giganotosaurus dies at the end, impaled on the claws of a fully feathered Therizinosaurus. I see what you did there @colintrevorrow - well played!
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Scott Hartman
3 years
@MeganBitchell Iguanodon is a fucking boss, don't let anyone tell you otherwise.
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@skeletaldrawing
Scott Hartman
3 years
OK, I'm on the clock: Ask me anything through 2:38pm August 24th. What's on your mind?
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@skeletaldrawing
Scott Hartman
4 years
You beat me to it Jaime, and with more awesome artwork I might add (I just have a bunch of rigorous skeletals). But this is where I ended up as well. Well done, and may the aquatic, quadrupedal spinosaurus idea sink into the abyss.
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@skeletaldrawing
Scott Hartman
3 years
Gonna have to jump on the bandwagon here - this trailer for some animated dinosaur shorts looks astonishing in both it's artistic goals and its use of current scientific data.
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@skeletaldrawing
Scott Hartman
3 years
Correct!
@Syn_JFD
Ben
3 years
Testing some eye movement, thought I'd post it as a PSA that Archosaurs shouldn't be animated with Mammalian eye movement. The ring is moving not the eye, the flesh of the entire area around the eye is influenced with movement and the pupil stays relatively centred as a result.
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@skeletaldrawing
Scott Hartman
1 year
Huh, surprisingly decent anatomy (and adorable).
@LondonbotArt
🤖👽LondonBot👽🤖
1 year
Twitter’s custom Brontosaurus and T. rex emojis are surprisingly really good in terms of anatomy, huh
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@skeletaldrawing
Scott Hartman
8 months
Got some new dino-themed kicks. #winning
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@skeletaldrawing
Scott Hartman
2 years
Yesssssss!
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@skeletaldrawing
Scott Hartman
2 years
I don't have time for a new drawing this year, but to all my friends, family, colleagues and fellow humans for whom June is much more than a marketing opportunity: You are valid and valued just as you are - happy Pride Month!
@skeletaldrawing
Scott Hartman
3 years
Here's a Pride Stegosaurus, just in time for Pride Month.
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Scott Hartman
4 years
I'm also a fan of the skeletal...
@MattBorths
Matthew Borths
4 years
Hell of a day for Cretaceous goofballs
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Scott Hartman
2 years
With all the debate over how feathered coelurosaur faces should be, here's a look at how some living bird facial feathers would map onto a dromaeosaur.
@BrochJamm
Broch Moss
2 years
Old thing I never posted: How various different bird facial feather arrangements would look on a dromeosaur.
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Scott Hartman
4 years
This is one of the best Postosuchus illustrations I've seen.
@SerpenIllus
Gabriel N. U.
4 years
You may be fooled into thinking this was a dinosaur, but it is not! This is Postosuchus kirkpatricki, a huge, bipedal pseudosuchian from Late Triassic in North America. As if we needed more proof that the Triassic was filled with amazing tetrapods! #paleoart #sciart
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@skeletaldrawing
Scott Hartman
3 years
Just keep your cats indoors. We always have, and they are perfectly happy (and live significantly longer, on average).
@Rainmaker1973
Massimo
3 years
A study fitted 925 pet cats with geolocating backpacks reveals a dark consequence to letting them out — Researchers found that, over the course of a month, cats kill between two and ten times more wildlife than native predators [read more: ]
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Scott Hartman
2 years
I am thrilled to announce that our paper, Mechanistic Thermal Modeling of Late Triassic Terrestrial Amniotes Predicts Geographic Distribution is now available in (early) Open Access from Diversity: Here's a thread to tell you a bit about it. (1/17)
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@skeletaldrawing
Scott Hartman
4 years
Young mammal wants to play with all the dinosaurs.
@foxfeather
Foxfeather Zenkova
4 years
2 minute meditation for today: Baby emus at the watering hole, enjoying their first baths. Bonus: playful muddy puppy and adult emu-mop painting the house with mud #birdtwitter #emu
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@skeletaldrawing
Scott Hartman
2 years
Actually LOLed at this.
@DarioEstraviz
Darío Estraviz López
2 years
#Tyrannosaurus #Spinosaurus When there is a highly hyped and debated paper on Twitter about s giant theropod.
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@skeletaldrawing
Scott Hartman
6 months
Never forget.
@NavalInstitute
U.S. Naval Institute
6 months
#OTD in 1970, the Oregon Highway Division consulted with the U.S. Navy and decided the best way to dispose of a whale carcass was to blow it up with a 1/2 ton of dynamite. The explosion caused blubber to rain down on spectators for over a 1/4 of a mile. The TV segment is classic.
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Scott Hartman
4 years
Remember: In the big scheme of things it's not fish heads that are weird, but tetrapod heads.
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@skeletaldrawing
Scott Hartman
7 years
Borealopelta paper is out. Not only perfect articulation, but rust-brown pigments and lighter counter-shading!
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@skeletaldrawing
Scott Hartman
3 years
Such an amazing specimen.
@TyrannoDinoHiro
Hiroshi Kato
3 years
Lane, Be carefully preserved by staff of @hmns Untill we meet again🤗! LANE Triceratops horridus (HMNS 2006.1743.00 or HMNS VP1506 #DinoScience @DinoScience_jpn
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