#marchofthemammals2025
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greybriar.art
Week one posting together for #marchofthemammals2025 #paleoart 🐡 #sciart
Drawings of multiple small ancient mammals lightly coloured in browns and pinks , marked with their Latin names (Megacornis mammalifornis, MAiopatagium furculiferum and Ruguodon eurasiaticus) and a #marchofthemammals graphic as part of an annual art challenge
March 4, 2026 at 11:35 PM
triloboii.bsky.social
To send off the Formation Frenzy theme for this year's #marchofthemammals2025, here's all this years animals scaled together with some bonuses from previous years and other projects

(Please ignore the fact its almost May...)

#paleoart #sciart #fossilfriday
Scale chart of selected animals known from the Cretaceous Djadochta Formation of Mongolia. The scale bar is 10 cm Scale chart of selected animals known from the Eocene Itaborai Formation of Brazil. The scale bar is 1 meter Scale chart of selected animals known from the Oligocene Brule Formation of the western USA. The scale bar is 1 meter Scale chart of selected animals known from the Miocene Riversleigh Fossil Site of Australia. The scale bar is 1 meter
April 25, 2025 at 5:21 PM
triloboii.bsky.social
Our #marchofthemammals2025 wrap up post! Probably the smallest average size so far, which makes Palaeoloxodon look especially impressive!

As always thanks to @shunosaurus.bsky.social for organizing this! I've got one more little follow-up for this years formation theme, so stay tuned!
Vector illustration of various animals from this year's March of the Mammals calender, lined up scaled to one another, with a silhouette of a person in the middle
April 9, 2025 at 4:35 PM
shunosaurus.bsky.social
And that marks an end to #marchofthemammals2025 ! Thank you to everyone who participated, and I hope to see you in 2026! Attached are the giveaway winners as well, including a Bluesky Rep!
A collection of fossil mammals lumped together in a crowd shot. Also included are some extinct birds, crocodiles, and a Velociraptor. Another shot with different focus. Only the mammals March of the Mammals 2025 Giveaway Winners
April 1, 2025 at 11:31 PM
triloboii.bsky.social
Our last animal for #marchofthemammals2025, the very tall Palaeoloxodon recki!

#sciart #paleoart
Vector illustration of Palaeoloxodon recki, a very large elephant from Pliocene Africa. It looks broadly like an African Elephant, with very long legs, a tall skull and straight tusks, with dark wrinkly skin
March 31, 2025 at 9:41 PM
shunosaurus.bsky.social
#marchofthemammals2025 Day 31: Palaeoloxodon recki
Palaeoloxodon has some fun carrying around a stick.
And that wraps up March of the Mammals 2025! Stay tuned tomorrow for my wrap up posts and giveaway winner announcement!
A savanna diorama A large elephant carries a log Another angle March of the Mammals prompt list
March 31, 2025 at 6:37 PM
triloboii.bsky.social
#marchofthemammals2025 day 26, a mother Dinopithecus ingens and her baby, going for a ride

#sciart #paleoart
Vector illustration of Dinopithecus ingens, a large cercopithecid monkey from the Late Pliocene and Pleistocene of east Africa. The large baboon is a female, with a young child clinging to her back. They are both a dark tan color on thier fur, with the mother having a light ruff on its cheeks
March 30, 2025 at 8:39 PM
shunosaurus.bsky.social
#marchofthemammals2025 Day 29: Beatragus antiquus
Beatragus antiquus stands with his oxpecker friend.
A collection of mammals on a savanna diorama A large antelope with a bird on its side Another view March of the Mammals prompt list
March 30, 2025 at 2:41 AM
triloboii.bsky.social
Beatragus antiquus for day 24 of #marchofthemammals2025, an ancient species of hirola antelope

#sciart #paleoart
Vector illustration of Beatragus antiquus, a species of Hirola antelope from late Pliocene/early Pleistocene Ethiopia. It is very similar to the living hirola, with longer, straighter horns, and a darker face and back.
March 29, 2025 at 6:22 PM
triloboii.bsky.social
#marchofthemammals2025 day 24: Kolpochoerus limnetes! A big pig 🐖

#sciart #paleoart #fossilfriday
Vector illustration of Kolpochoerus limnetes, a close relative of the modern Giant Forest Hog. It is a large pig with short tusks and large swollend cheeks and knobs on its head. It is dark brown in color, with bright spots along its beard and ears
March 28, 2025 at 7:22 PM
shunosaurus.bsky.social
#marchofthemammals2025 Day 28: Kolpochoerus limnetes
Kolpochoerus gets up from a good wallow.
A pig wallows in mud with mammals in the background Another view Another view March of the Mammals prompt list
March 28, 2025 at 7:21 PM
shunosaurus.bsky.social
#marchofthemammals2025 Day 27: Ancylotherium henningi
Ancylotherium keeps her distance from Dinofelis. They probably wouldn't attack something so large, but better safe than sorry.
A savanna diorama with a horse-like mammal and a saber-toothed cat Another view Another view March of the Mammals prompt list
March 27, 2025 at 6:57 PM
triloboii.bsky.social
A very angry Ancylotherium hennigi for day 23 of #marchofthemammals2025

#sciart #paleoart
Vector Illustration of Ancylotherium hennigi, a large schizotherine chalicothere from late Pliocene Ethiopia. It is rearing up with its claws beared, ready to stomp an attacker. It is similar to a large horse, with a long neck, claws, a stocky body and a dome on its forehead. It is sandy brown in color, with dark on its face, shoulders and feet
March 27, 2025 at 6:24 PM
triloboii.bsky.social
On to our last week of #marchofthemammals2025, the savannas of Early Pleistocene Ethiopia! Here's Dinofelis petteri chilling on a tree branch

#sciart #paleoart
Vector illustration of Dinofelis petteri, a bobcat sized sabertoothed cat from the Pliocene of Ethiopia. It is relaxing on a large tree branch, looking out at the horizon. It resembles a small leopard with a notably shorter tail and a broad snout. It is orangeish in color with dark spots that stretch into long rosettes towards its back
March 26, 2025 at 6:36 PM
shunosaurus.bsky.social
#marchofthemammals2025 Day 26: Dinofelis petteri
Dinofelis scratches up against a dead tree. Welcome to the Shungura Formation! Over the final week of March we'll reconstruct some of the extinct megafauna our ancestors once met.
A far shot of a short saber-toothed cat rubbing its flank against a tree. Another view of Dinofelis Another view, showing off the fangs of Dinofelis. March of the Mammals prompt list
March 26, 2025 at 4:43 PM
shunosaurus.bsky.social
#marchofthemammals2025 Day 25: Rest Day
Trilophosuchus rests as Menura tyawanoides shows off his plumage high up. And with that we are done with the Riversleigh formation! Join us as we travel to the Shungura Formation of Ethiopia tomorrow!
A small crocodilian rests in a rainforest as many marsupials move about behind it. A prehistoric Lyrebird shows off his plumage Another view of the diorama Another view of the diorama
March 25, 2025 at 10:26 PM
triloboii.bsky.social
Rounding out the Riversleigh crew is the tapir sized diprotodontid Neohelos stirtoni for day 21 of #marchofthemammals2025!

#sciart #paleoart
Vector illustration of Neohelos stirtoni, a mid sized diprotodontid from the middle Miocene of Queensland, Australia. It looks roughly like a long legged wombat with a long narrow snout. It is seen from above jogging past the viewer. It is dark reddish brown in color with a darker underside and legs, and is covered in irregular white spots
March 24, 2025 at 7:08 PM
shunosaurus.bsky.social
#marchofthemammals2025 Day 24: Neohelos stirtoni
Neohelos takes a walk
A large marsupial in a rainforest Another view Another view March of the Mammals prompt list
March 24, 2025 at 7:07 PM
shunosaurus.bsky.social
#marchofthemammals2025 Day 23: Ganguroo bilamina
Ganguroo flees Muribacinus while their friend rests on a low branch.
A small bettong-like mammal hops away from a thylacine in a jungle. Another view Another view March of the Mammals prompt list
March 23, 2025 at 9:04 PM
triloboii.bsky.social
Ganguroo bilamina for day 20 of #marchofthemammals2025!

#sciart #paleoart
Vector illustration of Ganguroo bilamina, a small early kangaroo from the rainforests of the middle Miocene Riversleigh Fossil Site of Queensland, Australia. It is dark grey and brown in color, and broadly resembles a rat kangaroo or a bettong
March 23, 2025 at 5:36 PM
toothygrinart.bsky.social
I heard that Crash bandicoot (i.e., the fossil marsupial) was featured in something called #Marchofthemammals2025, so thought I’d mention that Crash shirts are available from the Toothy Grin online shop.
www.toothygrin.com.au/shop/categor...
March 23, 2025 at 5:23 AM
triloboii.bsky.social
#marchofthemammals2025 day 19, Muriabacinus gadiyuli, a tiny thylacinid!

#paleoart #sciart
Vector illustration of Muriabacinus gadiyuli, a small thylacinid from the middle Miocene Riversleigh Fossil Site of Australia. It looks roughly like quoll, staring at the viewer. It is dark brown with light grey on its feet and tail, with dark stripes
March 22, 2025 at 10:15 PM
shunosaurus.bsky.social
#marchofthemammals2025 Day 22: Muribacinus gadiyuli
Look out Crash!
A tasmanian tiger relative sneaks up on a bandicoot. Another view Another view March of the Mammals prompt list
March 22, 2025 at 5:46 PM
shunosaurus.bsky.social
#marchofthemammals2025 Day 21: Crash bandicoot. Millions of years before its primary adversary had evolved, Crash was the undisputed ruler of the Miocene rainforests.
A small bandicoot cleans its face Another view of the rainforest diorama Another view March of the Mammals prompt list
March 21, 2025 at 7:21 PM
triloboii.bsky.social
The powerfully named Crash bandicoot for day 18 of #Marchofthemammals2025

#paleoart #sciart
Vector illustration of Crash bandicoot, an early bandicoot from the middle Miocene Riversleigh Fossil Site of Australia. It is curled up facing away from the camera. It is a gradient of orange to grey, with a light belly and cheeks and dark spots on its hands and brow
March 21, 2025 at 6:15 PM