The Morrison Man | Tim
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themorrisonman.bsky.social
The Morrison Man | Tim
@themorrisonman.bsky.social
300 followers 230 following 100 posts
Biology student & Wikipedia editor with a love for the Morrison Formation, cetaceans and the natural world. Wants to study dead things some day. (he/him)

Banner art by Joschua Knüppe
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themorrisonman.bsky.social
The Morrison Man | Tim @themorrisonman.bsky.social · Oct 22
Would you look at that, passed 200 followers! Thanks for stopping by everyone.

As a little thank you, a teaser for whats to come soon:
An image from the 1980 description of Argentavis magnificens, showing the preserved bones of the skull.
Reposted by The Morrison Man | Tim
alexanderlees.bsky.social
Huge News from the Western Amazon: it's the year 2025 and we are still describing entirely new, strikingly-distinctive large-bodied bird species! Behold Tinamus resonans sp. nov. the Slaty-masked Tinamou mapress.com/zt/article/v... #Ornithology @tetzoo.bsky.social 🪶
Photo montage of Tinamus resonans sp. nov., a new species of tinamou from the montane forests of the Serra do Divisor, western Amazonia, Brazil. The species is distinguished by a unique combination of plumage pattern, vocal repertoire, and ecological characteristics, including a conspicuous dark slate facial mask, vivid rufous-cinnamon underparts, and a uniform brownish-gray back. Its vocalizations are remarkable, consisting of long and powerful songs that echo strikingly across the steep montane slopes, producing a characteristic resonant effect. The species was documented exclusively at higher elevations within a transitional zone between submontane and stunted forests, where the understory is densely structured by root mats. A preliminary population estimate, based on field detections and spatial extrapolation, suggests approximately 2,106 individuals restricted to the Serra do Divisor massif. Although no immediate anthropogenic pressures were observed within its range, the species may be highly vulnerable to climate change and to proposed infrastructure projects that threaten the integrity of this federally protected region. The discovery of T. resonans highlights the biological uniqueness of the Serra do Divisor, reinforces its status as a center of montane endemism, and underscores the critical importance of maintaining its long-term conservation.
December 2, 2025 at 7:20 AM
themorrisonman.bsky.social
Updates on Wisdom, the oldest known living bird!
friendsofmidway.bsky.social Friends Of Midway Atoll (FOMA) @friendsofmidway.bsky.social · 2d
Wisdom’s mate joins
her!
🎼 #Reunited
USFWS staff spotted band EX25 on 11/25. No, he has not been named; we await that news.
So far we have a few photos and we'll share more as we receive them.
Here's to a successful egg laying and hatching season for these two!

Photos by Chris Forster.
#Birds
December 1, 2025 at 12:37 PM
Reposted by The Morrison Man | Tim
whysharksmatter.bsky.social
Governments endorse support for greater protections for sharks, rays | AP News
Governments endorse greater protections for sharks amid concerns about overfishing
Governments have adopted greater protections for over 70 species of sharks and rays at an international wildlife trade conference.
apnews.com
November 30, 2025 at 8:03 PM
themorrisonman.bsky.social
Such gorgeous and weird birds!
arctomet.bsky.social Thomas R. Holtz, Jr. @arctomet.bsky.social · 4d
#FossilFriday (well, really "#SubfossilFriday): Skeleton of a female upland moa (Megalapteryx didinus) @OtagoMuseum
Skeleton of the flightless bird Megalapteryx didinus
November 30, 2025 at 12:17 AM
Reposted by The Morrison Man | Tim
ipaintbirbs.bsky.social
i like how the bark lines up with the bark :)
November 29, 2025 at 1:39 AM
Reposted by The Morrison Man | Tim
somniosa.bsky.social
King of all the antlers.
#Prehistoricplaneticeage #Megaloceros #ContinueThePrehistoricPlanet
November 28, 2025 at 2:52 AM
Reposted by The Morrison Man | Tim
juliartworld.bsky.social
It’s a bear. Finding the right rendering style for the fur took me a while, but I‘m so happy how it turned out.

It’s one of the patreon stickers for this month and will also be a print later.
#animalart #feralart
digital drawing in procreate. A grizzly bear sitting and holding a branch with blueberries. He looks happy. Around him are more blueberries plants and a few birch trees. Two crows are sitting on either side on a tree. One has a berry in its beak another one squints at the blueberry branch.
November 26, 2025 at 4:55 PM
Reposted by The Morrison Man | Tim
nataliajagielska.bsky.social
I am running in the Palaeontological Association Council Elections, as an Early-Career Research Officer & Meetings Co-ordinator🏅If you are a member of the PalAss, and want me to be part of the council, maybe cast a vote or two? I'd love to fulfill the Early Career position 🤞
November 25, 2025 at 11:01 PM
Reposted by The Morrison Man | Tim
lizzie-harper.bsky.social
Here's the second of the #botanicalillustration courses I'm teaching at #Cambridgeuniversity #botanicalgardens in the UK next year. This one is in May:

www.botanic.cam.ac.uk/education-le...

It's all about #illustrating #blue #flowers. Think #iris, #campanula, #bluebells....
Cut to white #sciart #botanicalillustration of one single #flower of the #bluebell #Hyacinthoides flower, showing pale stamens and recurved petals. Cut to white #naturalscienceillustration of the #Harebell #Campanula rotundifolia showing a specimen with a great many blooms at all angles, and linear as well as rounded leaves. Colour #diagram of the #structure of an #iris, #botanicalillustration #sciart #botany. Showing stamens, ovaries, pistil, and the organisation of the petals / sepals. #Shetchbook sheet on the #Nootka #lupin showing the #flower spike, cross section of a flower, bud, roots, #seedpod, seedling, #habitsketch and seeds. Cut to white #botanicalillustration
November 25, 2025 at 11:53 AM
Reposted by The Morrison Man | Tim
rosemarymosco.com
As the year comes to an end, I'm reposting some of the comics I made this year, including this ridiculous thing.
A six-panel comic. In the first panel, a yellow warbler says "Hey so I'm going to go out on a limb here." In panels two through five, the warbler hops along a long branch against a blue sky with clouds. In panel 6, it stops at the end of the branch and sings.
November 25, 2025 at 3:19 PM
Reposted by The Morrison Man | Tim
rcolesworthy.bsky.social
one of the coolest things about ChatGPT is how you can actually just never use it. you can fill your whole entire life with simply not once using it. it's incredible.
November 25, 2025 at 4:15 PM
Reposted by The Morrison Man | Tim
scientits.bsky.social
IMPORTANT
silverpebble2.bsky.social Emma Mitchell @silverpebble2.bsky.social · Oct 26
I found a capybara pebble🤎
Flint pebble that fell out of a wall in Linton, Cambridgeshire and I picked up bc I thought it looked like the world's largest rodent. I added the eye with a fine liner pen A photo of a mother and baby capybara nestling together affectionately
October 26, 2025 at 10:58 AM
Reposted by The Morrison Man | Tim
coastalpaleo.bsky.social
#whalewednesday The spectacular early toothed whale Xenorophus sloanii from the Oligocene (~28 mya) of South Carolina! This is a critical transitional fossil, known from about a dozen skulls and partial skeletons. Read more about Xenorophus here on my blog: coastalpaleo.blogspot.com/2024/03/the-...
A black and white skeletal reconstruction of Xenorophus sloanii, and a pair of photos of the skull and neck vertebrae of the best known specimen in top and side view.
October 8, 2025 at 6:34 PM
Reposted by The Morrison Man | Tim
markwitton.bsky.social
Preview of my latest #paleoart piece: a baby bison flees the deadliest predator of Ice Age Europe. Harrowing, harrowing stuff.
October 6, 2025 at 8:23 PM
Reposted by The Morrison Man | Tim
zhejiang0pterus.bsky.social
Huge azhdarchoid paper, at long last, ACCEPTED!!!! Prepare for some BIG insights!!!
Graphic of four azhdarchids (Quetzalcoatlus, Arambourgiania, Hatzegopteryx, and Cryodrakon) with the words "Azhdarchid Evolution". Art by @kiracuriee.bsky.social
September 3, 2025 at 7:35 AM
Reposted by The Morrison Man | Tim
joschuaknuppe.bsky.social
In half an hour this years #paleostreamcon starts!
Link to Twitch and the Disrcord server below!
March 29, 2025 at 11:34 AM
Reposted by The Morrison Man | Tim
joschuaknuppe.bsky.social
This Saturday we will host once again #PaleostreamCon on Twitch and Discord!
We are very exited for these talks and discussions!
March 27, 2025 at 12:32 AM
Reposted by The Morrison Man | Tim
tetzoo.bsky.social
Today's #ArtBoost: Australia-based Petite Palaeoartist aka Sauriazoicillus @ppaleoartist.bsky.social, whose work spans most palaeo subjects: plankton to #marinereptiles #dinosaurs and more. Recently published in landmark study on Australian theropods! Links at linktr.ee/ppaleoartist
Palaeoart marine scene showing big ammonite alongside thalattosuchian croc. Dark water palaeoart scene showing pliosaur pursuing much smaller ichthyosaur. Palaeoart depiction of Eryops above and below water. Screengrab of tweet discussing PP work appearing in Kotevski et al. technical paper, with art showing theropods in dispute.
March 3, 2025 at 9:28 AM
Reposted by The Morrison Man | Tim
joschuaknuppe.bsky.social
#PaleostreamCon is upon us again! On the 29. of March we will hold it, on Discord, with a stream on Twitch! This year we want to experiment with new formats so we have a show-and-tell and poster session! Learn more and sign up below!
#paleoart #paleontology
February 22, 2025 at 9:31 PM
Reposted by The Morrison Man | Tim
paleobyliam.bsky.social
Since algorithms across various social media platforms are making it harder to see what you enjoy, here's a thread of #paleoart I think is underrated or a tad overlooked.
Kicking things off with Sam Milkovits' azhdarchid portrait
Black and white digital painting of azhdarchid pterosaur head in profile. The tip of the beak has flaking keratin
February 12, 2025 at 6:56 PM
Reposted by The Morrison Man | Tim
coastalpaleo.bsky.social
#artadventcalendar day 5&6 and #fossilfriday: watercolor paintings of the toothed baleen whale Coronodon havensteini (Oligocene, South Carolina) and a more ancestral archaeocete whale Zygorhiza kochii (Eocene, Mississippi). Each is 12x8". #paleontology🐡 #whaleontology #art #sciart #watercolor
Watercolor painting of a toothed whale skull in lateral view; the skull is light yellowish tan, has a long, slightly flattened snout, with single cusped teeth at the front of the mouth, and denticulate cheek teeth towards the back of the mouth; the enamel is dark brown. A few fractures exposing dark internal bone criss-cross the skull and lower jaw, which is somewhat open. Watercolor painting of a toothed whale skull in lateral view; the skull is light gray, has a long, somewhat cylindrical snout, with single cusped teeth at the front of the mouth, and denticulate cheek teeth towards the back of the mouth; the enamel is dark gray. A few fractures exposing dark internal bone criss-cross the skull and lower jaw, which is somewhat open.
December 6, 2024 at 6:51 PM
Reposted by The Morrison Man | Tim
mwestneat.bsky.social
This week I’m giving thanks for the Sling-Jaw Wrasse, and it’s amazing jaw #biomechanics!
🐟🦑🧪🌿
November 27, 2024 at 3:32 PM
Reposted by The Morrison Man | Tim
yohanpochatcot.bsky.social
New #crocpaper alert ! 🐊🚨 Fossil crocodylomorphs lived in a wide diversity of environments compared to extant ones. This review (my first one !) focuses on those adaptations, from very early Triassic forms to crown group eusuchians ! doi.org/10.1002/ar.2... in
@anatrecord.bsky.social
A review of the non‐semiaquatic adaptations of extinct crocodylomorphs throughout their fossil record
Crocodylomorphs constitute a clade of archosaurs that have thrived since the Mesozoic until today and have survived numerous major biological crises. Contrary to historic belief, their semiaquatic ex...
doi.org
November 26, 2024 at 10:45 AM
Reposted by The Morrison Man | Tim
joschuaknuppe.bsky.social
All the dragons from the HTTYD stream. Detailed images below... 🧵
#paleostream #specevo #creaturedesign #sketches
November 23, 2024 at 5:06 AM