Gabriel Ugueto
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serpenillus.bsky.social
Gabriel Ugueto
@serpenillus.bsky.social
16K followers 330 following 1.7K posts
Professional Scientific Illustrator, Paleoartist & Herpetologist 🏳️‍🌈🦖🦎 Commissions [email protected] He/Him/His https://linktr.ee/serpenillus
Client list includes The BBC Natural History Unit, Apple TV+, National Geographic Magazine, among others
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serpenillus.bsky.social
I felt like sketching a different subject in a different style tonight

#sketch #art #artist
Sketch of a man portrait
January 24, 2026 at 4:24 AM
Reposted by Gabriel Ugueto
serpenillus.bsky.social
I hope everyone is taking warm
(If you are at a cold place)
A photo of me wearing a jean jacket while working my desk
January 21, 2026 at 6:07 PM
Reposted by Gabriel Ugueto
serpenillus.bsky.social
One good thing about cold weather is that it makes it much easier to observe mammals during the day.

Like this beautiful Coyote (Canis latrans) and Virginia Opossum (Didelphis virginiana) I found

#mammals
A photo of a Coyote looking towards the camera
January 21, 2026 at 5:43 PM
serpenillus.bsky.social
I hope everyone is taking warm
(If you are at a cold place)
A photo of me wearing a jean jacket while working my desk
January 21, 2026 at 6:07 PM
serpenillus.bsky.social
One good thing about cold weather is that it makes it much easier to observe mammals during the day.

Like this beautiful Coyote (Canis latrans) and Virginia Opossum (Didelphis virginiana) I found

#mammals
A photo of a Coyote looking towards the camera
January 21, 2026 at 5:43 PM
Reposted by Gabriel Ugueto
serpenillus.bsky.social
Two more amazing Triassic reptiles. In this case from the Late Triassic Keuper Group of Europe. The huge phytosaur Nicrosaurus kapfii and one of the earliest plesiosaurs, Rhaeticosaurus mertensi

Part of my book of Triassic Tetrapods (currently in preparation)

#paleoart #sciart #reptiles
January 20, 2026 at 3:14 PM
serpenillus.bsky.social
Two more amazing Triassic reptiles. In this case from the Late Triassic Keuper Group of Europe. The huge phytosaur Nicrosaurus kapfii and one of the earliest plesiosaurs, Rhaeticosaurus mertensi

Part of my book of Triassic Tetrapods (currently in preparation)

#paleoart #sciart #reptiles
January 20, 2026 at 3:14 PM
Reposted by Gabriel Ugueto
serpenillus.bsky.social
Even at a time full of strange and enigmatic reptiles, Helveticosaurus was one of the most bizarre species in the Triassic. It specifically lived during the middle Triassic in what is now Europe

#paleoart #sciart #reptiles
Reconstruction of Helveticosaurus in lateral view Reconstruction of Helveticosaurus scales next to the silhouette of a ca. 1.8 m tall human
January 17, 2026 at 2:36 PM
serpenillus.bsky.social
Even at a time full of strange and enigmatic reptiles, Helveticosaurus was one of the most bizarre species in the Triassic. It specifically lived during the middle Triassic in what is now Europe

#paleoart #sciart #reptiles
Reconstruction of Helveticosaurus in lateral view Reconstruction of Helveticosaurus scales next to the silhouette of a ca. 1.8 m tall human
January 17, 2026 at 2:36 PM
serpenillus.bsky.social
I had very good views of several American Barn Owls (Tyto furcata) a couple of days ago. You can also hear one of the pellets I found. I also observed them hunting.

#birds #owls
Photo of Barn Owls resting Photo of Barn Owl resting Barn Owl pellet Barn Owl feather
January 13, 2026 at 11:28 PM
serpenillus.bsky.social
Attack of the Great-tailed Grackles 😋

#birds
January 11, 2026 at 1:39 AM
Reposted by Gabriel Ugueto
serpenillus.bsky.social
Selected species of Dimetrodon.

Here are various sketches showing some species of Dimetrodon, which was a quite diverse genus during the Early Permian. The genus includes about a dozen of species

#paleoart #sciart #synapsids
Sketches showing reconstructions of Dimetrodon limbatus (top), D. loomisi (center) and D. limbatus (bottom) Sketches showing reconstructions of Dimetrodon angelensis (top), D. milleri (center) and D. grandis (bottom) Reconstructions of all Dimetrodon species shown in previous plates in scale next to silhouettes of a ca. 1.8 m tall human
January 7, 2026 at 3:10 PM
Reposted by Gabriel Ugueto
serpenillus.bsky.social
Unseasonably hot in Dallas today! Up to 75F/24C!
A selfie I just took showing me with light shining on my face
January 6, 2026 at 7:12 PM
serpenillus.bsky.social
Selected species of Dimetrodon.

Here are various sketches showing some species of Dimetrodon, which was a quite diverse genus during the Early Permian. The genus includes about a dozen of species

#paleoart #sciart #synapsids
Sketches showing reconstructions of Dimetrodon limbatus (top), D. loomisi (center) and D. limbatus (bottom) Sketches showing reconstructions of Dimetrodon angelensis (top), D. milleri (center) and D. grandis (bottom) Reconstructions of all Dimetrodon species shown in previous plates in scale next to silhouettes of a ca. 1.8 m tall human
January 7, 2026 at 3:10 PM
serpenillus.bsky.social
Unseasonably hot in Dallas today! Up to 75F/24C!
A selfie I just took showing me with light shining on my face
January 6, 2026 at 7:12 PM
Reposted by Gabriel Ugueto
serpenillus.bsky.social
The time for my traditional post summing up the year is here! So, to wrap up 2025 I first want to take a moment to thank everyone here for being so amazingly supportive of my art and for always having such kind words and admiration for my work

#paleoart #sciart
A collage showing a pic of me in the center and 4 of my illustrations around
December 31, 2025 at 3:49 PM
serpenillus.bsky.social
The time for my traditional post summing up the year is here! So, to wrap up 2025 I first want to take a moment to thank everyone here for being so amazingly supportive of my art and for always having such kind words and admiration for my work

#paleoart #sciart
A collage showing a pic of me in the center and 4 of my illustrations around
December 31, 2025 at 3:49 PM
serpenillus.bsky.social
Yesterday shorts, today sweater. That’s Florida winters for you. Currently 57F/14C
A photo of me sitting wearing shorts A photo of me standing wearing a red sweater
December 30, 2025 at 7:29 PM
Reposted by Gabriel Ugueto
serpenillus.bsky.social
I want to wish everyone Merry Christmas and Happy Holidays with this quick sketch of two Microraptorine dinosaurs in the snow ❄️. I hope everybody is having a great day and enjoying the presents! 🎁 🎄 🎅

Merry Christmas and Happy Holidays!
Sketch showing a pair of undetermined microraptorine dinosaurs perched on a branch with some snow falling down
December 25, 2025 at 5:02 PM
serpenillus.bsky.social
I want to wish everyone Merry Christmas and Happy Holidays with this quick sketch of two Microraptorine dinosaurs in the snow ❄️. I hope everybody is having a great day and enjoying the presents! 🎁 🎄 🎅

Merry Christmas and Happy Holidays!
Sketch showing a pair of undetermined microraptorine dinosaurs perched on a branch with some snow falling down
December 25, 2025 at 5:02 PM
Reposted by Gabriel Ugueto
serpenillus.bsky.social
A pair of Stegosaurus leisurely walking while a group of Hesperornithoides bicker in the foreground

I just think everyone needs to see Stegosaurus every now and then. Makes everyone happier 😊 This is an illustration of my licensing library and is available for non exclusive licensing.

#paleoart
Illustration of a pair of Stegosaurus in a Jurassic landscape composed of ferns and conifers, a group of the small theropod Hesperonithoides is in the foreground.
December 4, 2025 at 3:07 PM
Reposted by Gabriel Ugueto
ngerlach.bsky.social
Everyone DOES need to see a Stegosaurus occasionally.
serpenillus.bsky.social Gabriel Ugueto @serpenillus.bsky.social · Dec 4
A pair of Stegosaurus leisurely walking while a group of Hesperornithoides bicker in the foreground

I just think everyone needs to see Stegosaurus every now and then. Makes everyone happier 😊 This is an illustration of my licensing library and is available for non exclusive licensing.

#paleoart
Illustration of a pair of Stegosaurus in a Jurassic landscape composed of ferns and conifers, a group of the small theropod Hesperonithoides is in the foreground.
December 4, 2025 at 3:08 PM
Reposted by Gabriel Ugueto
dottiedino.bsky.social
“So I -told- Gladys, ‘your hair looks -good-, hon, don’t sweat it’ but she’s so self-conscious!”
serpenillus.bsky.social Gabriel Ugueto @serpenillus.bsky.social · Dec 4
A pair of Stegosaurus leisurely walking while a group of Hesperornithoides bicker in the foreground

I just think everyone needs to see Stegosaurus every now and then. Makes everyone happier 😊 This is an illustration of my licensing library and is available for non exclusive licensing.

#paleoart
Illustration of a pair of Stegosaurus in a Jurassic landscape composed of ferns and conifers, a group of the small theropod Hesperonithoides is in the foreground.
December 4, 2025 at 3:23 PM
serpenillus.bsky.social
A pair of Stegosaurus leisurely walking while a group of Hesperornithoides bicker in the foreground

I just think everyone needs to see Stegosaurus every now and then. Makes everyone happier 😊 This is an illustration of my licensing library and is available for non exclusive licensing.

#paleoart
Illustration of a pair of Stegosaurus in a Jurassic landscape composed of ferns and conifers, a group of the small theropod Hesperonithoides is in the foreground.
December 4, 2025 at 3:07 PM
Reposted by Gabriel Ugueto
serpenillus.bsky.social
I’m back! So what did you think of Prehistoric Planet: Ice Age? I want to know what parts you liked the best, what animals you liked the most and what were the species for which I entrusted to create the concept art and design
#PrehistoricPlanetIceAge
The title page of Prehistoric Planet with the view of four animals that appeared in the series
December 1, 2025 at 2:17 PM