Gabriel Macedo
LightNews LightNews
banner
gamaevo.bsky.social
Gabriel Macedo
@gamaevo.bsky.social
630 followers 1.7K following 4 posts
Postdoc at Duke University. Evolutionary Ecology, Ornithology. he/him
Posts Replies Media Videos
gamaevo.bsky.social
Happy to see this out in early view in Evolution! We tested the roles of signaling and camouflage in the evolution of iris color in Tyranni songbirds. Our findings suggest that bright irises are social/sexual signals mostly associated with species less vulnerable to predation
doi.org/10.1093/evol...
Evaluating the roles of signaling and camouflage in the evolution of iris color in Tyranni passerines
Abstract. Iris color is a conspicuous and diverse trait across animals, but its evolutionary drivers are poorly understood. In over 1000 species of Tyranni
doi.org
November 10, 2025 at 10:20 PM
Reposted by Gabriel Macedo
rosvall-lab.bsky.social
Pumped to share our work on bird behavior and the 2024 Eclipse, in today's @science.org. 100k bird vocalizations + 10k continent-wide observations from the public = really fun collab led by Liz Aguilar, with @juncowren.bsky.social @mathcancer.bsky.social @imillercrews.bsky.social #NSF
October 9, 2025 at 6:54 PM
Reposted by Gabriel Macedo
nataliajagielska.bsky.social
And that's how you integrate digital elements into an exhibition. Part of the temporary "China's Dinosaur World" at the Shanghai Natural History Museum, China. Closing this November.

Video source: Shanghai Let's Meet
September 27, 2025 at 3:02 AM
Reposted by Gabriel Macedo
meganoconnorart.ca
Finished! “Tree Fort”. Coloured pencil on cotton paper. With thanks to the raccoon who sat so nicely for me 🙏
#SciArt #WildlifeArt
Coloured pencil drawing of a raccoon resting in the crook of a tree.
August 4, 2025 at 5:23 PM
Reposted by Gabriel Macedo
jacanamama.bsky.social
I'm SOOOO EXCITED for this Sex(es) Across Origins Symposium at #SICB2026!!!! I just submitted an abstract for the complementary session (on bird plumage and social selection with @gamaevo.bsky.social), and I hope you consider applying, too! @sicb.bsky.social @sicbjournals.bsky.social
jjinsing.bsky.social Jay Jinsing Falk @jjinsing.bsky.social · Jul 28
Hey SICB 2026 @sicb.bsky.social! Don't forget about the Sex(es) Across Origins Symposium 🍄🦠🐌🌽

If you'd like to give a talk or poster session or poster session in our ✨complementary sessions✨, make sure to specify that in your abstract submission when you submit! (deadline, Aug 27)
S04: Sex across origins: Questioning animal-centric assumptions and developing integrative frameworks Short title: Sex across origins Organizers: A. M. Aramati Casper, Colorado State University Jay J. Falk, University of Colorado - Boulder Karen M. Warkentin, Boston University and the Smithsonian Tropical Research Institute Sex and reproduction have evolved in diverse ways across eukaryotes, yet biological concepts of sex remain heavily shaped by human and canonical animal models. This symposium seeks to challenge narrow definitions by embracing the full complexity of sexual phenotypes, reproductive strategies, and developmental origins across taxa. By convening an interdisciplinary group of researchers working on plants, fungi, animals, and protists, we aim to identify shared principles, highlight irreconcilable differences, and stimulate new frameworks for understanding sex in biology. The symposium will foster integrative dialogue across career stages, disciplines, and organismal systems to advance a more inclusive and accurate understanding of reproductive diversity.
July 31, 2025 at 8:33 PM
Reposted by Gabriel Macedo
vireosy.bsky.social
Today is my birthday! I’d love if you could share my art or donate to a nature conservancy of your choice. 💚
Illustration of a kelp forest in a teal ocean, rays of golden sunlight streaming in from above. Fish are swimming about, and near the bottom of a prominent kelp strand, a partially obscured leopard shark leisurely patrols the underwater forest. The palette predominantly features warmer teals, red violet, and gold. A California sea lion rendered in rich brown and orange tones rests upon a rock in teal shore waters below a softly glowing orange sky. Its slender head is raised to look over its back and to the right while a large crest of white sea foam frames its figure. Rendered in a rough painterly style, a shortfin mako shark leaps from a calm ocean tail over head, sea foam trailing its body in a loose arc. The shark, looking nearly metallic, is rimmed with orange light as a pale yellow sun hangs in a hazy orange sky, framing its streamlined figure. A caribou stands low in a field awash in autumnal oranges and yellows. Its head raised slightly, it looks off to the side while a pair of tall, sweeping antlers rises from its head, a bright red crown of newly hardened branches. Velvet still clings to the antlers in patches and tatters.
July 24, 2025 at 4:13 PM
Reposted by Gabriel Macedo
tinylongwing.bsky.social
Good morning #PortfolioDay! I'm Lauren, a biologist and scientific illustrator. I make art for publications, #SciComm, #BoardGames and more! Mostly birds, but bugs and plants and more! See my latest in the game Nature by @northstargames.bsky.social 🎨🪶🧪 #SciArt

Shop & more: linktr.ee/tinylongwing
Cuspirostrisornis, an Enantiornithine bird from cretaceous China, sits perched on a branch in the sunlight amid ginkgo and araucaria pines. It has a small yellow snout, black mask, orange back, white belly, and two long iridescent blue tail feathers. It has a fleshy snout rather than a hard beak, and two little claws emerge at the bend of the wing. A green tortoise beetle climbs downward on a bug-bitten leaf. The beetle has transparent elytra that look like a clear glassy shield over its metallic green and black body. Illustration of an island set in a shallow tropical lagoon, fringed by Casuarina and coconut trees. The rocky island is covered in vegetation and tiny dots - lots and lots of birds! More birds are seen flying toward the island, and in the foreground some of these are identifiable as Brown Noddy and Red-tailed Tropicbird. For Nature (NorthStar Games). Based on Bird Island, Saipan. Illustration of an Indochinese Green-Magpie with its wings spread as it lands in a thicket of tropical foliage and flowers, all under a bright blue sky with a few soft clouds. This bird is brilliantly colored with a bright green crested head, black mask, red-orange wings, and fanned yellow tail with a black bar. For NorthStar Games' board game Nature.
July 8, 2025 at 2:06 PM
Reposted by Gabriel Macedo
theweeowl.bsky.social
My little art shop has a selection of landscape and nature drawings in a variety of subjects to please everyone, including birds, all one of a kind originals!
www.etsy.com/shop/TheWeeO...

#birds 🦉 #OriginalArt #Drawing #Artwork #TraditionalArtist #ArtFromScotland #GiftIdeas #ArtShop #bsnm
A photo collage of some of my bird drawings: A sleepy owl, a diving kingfisher, a white stork, a Canada goose with goslings, a wren and a barn owl.
July 4, 2025 at 5:02 PM
Reposted by Gabriel Macedo
pigeonpost.cafe
Mockingbird’s Muses poster prints!
Flat illustration of a Northern Mockingbird singing in an upright position- semi-abstract bubble/balloon birds spring forth in the colorful shapes of many birds including a Blue Jay, Goldfinch, Robin, and Eastern Phoebe.
July 1, 2025 at 1:12 PM
Reposted by Gabriel Macedo
monsterbox.bsky.social
Vem comigo ver bem de pertinho todos os detalhes desse bordado feito à mão em mais de 60 horas de trabalho? 👀♥️🔍
June 25, 2025 at 2:19 PM
Reposted by Gabriel Macedo
kateaveryart.bsky.social
Finished this 8x6” gouache at about 3am last night and it sold before I even had a chance to post it here!
If you haven’t checked it out yet- all my paintings are currently 60% off the listed price, even brand spankin new ones like this!
KateAveryArt.com to ogle/buy the art goodies 🥳
June 27, 2025 at 8:39 PM
Reposted by Gabriel Macedo
jacanamama.bsky.social
Excited for Evolution with @leiltonluna.bsky.social and @gamaevo.bsky.social!
Lipshutz Lab at Evolution 2025! Sat June 21 12:00pm: Gabriel Macedo – Female ornaments and the evolution of elaborate plumage in Tyranni songbirds – Macroevolution and Diversification II (Parthenon 2) Sun June 22 9:45am: Leilton Luna – Genetic and phenotypic evidence of female philopatry in a socially polyandrous shorebird – Molecular Ecology I (Parthenon 2) 2:30pm: Sara Lipshutz – Repeated behavioral evolution is associated with convergence of gene expression in cavity-nesting songbirds – Behavior III (Parthenon 1) Tues June 24 9:30am: Sara Lipshutz - Multivariate models of animal sex: breaking binaries leads to a better understanding of evolution – Teaching Sex and Gender Symposium (Athena E)
June 20, 2025 at 2:33 AM
Reposted by Gabriel Macedo
nearbirdstudios.bsky.social
Hey new followers, want to help an independent artist buy her parrot all the toys his little heart desires? Prints here! www.inprnt.com/gallery/near...
Scratchboard illustration of seven American Flamingos. Watercolor painting of a Spectacled Owl. He's dark brown on top and cream below, with bright yellow eyes and a white X on his face. Portrait of a female Great Hornbill, a large bird, down to the upper chest. Her beak is huge, with a yellow-to-orange maxilla and damaged casque and a pale blue-grey mandible. She has a black mask covering her face and the base of her bill. Her eye is silvery and has nice lashes. Her neck shades from yellow through raw sienna to a pale burnt sienna, and her body feathers and the top of her wing are black. Photo of a cute little Crimson-bellied Conure looking content. He has a grey breast and nape, green cheeks and wings, blue cap and flanks, bright red vest, and black beak. His eyes are large and dark.
June 10, 2025 at 7:27 PM
Reposted by Gabriel Macedo
jacanamama.bsky.social
Had a blast on @scifri.bsky.social talking about female birds! www.sciencefriday.com/segments/bir...
Turning The Binoculars On Birders
Lace up those comfortable sneakers, and get out your bug spray and field guides, because we’re about to go birder-watching.
www.sciencefriday.com
May 30, 2025 at 8:02 PM
Reposted by Gabriel Macedo
sadgirlcassi.bsky.social
there is a food vending machine for cats in Turkey, the seagulls meow pretending to be cats
May 14, 2025 at 9:01 PM
Reposted by Gabriel Macedo
handle.invalid
🧵5 Top Free Alternatives to BioRender for Scientific Illustrations!

These five websites offer free scientific illustrations for biologists. Great for presentations, research papers and other research communication needs.

Save and share the post!
May 13, 2025 at 7:55 PM
Reposted by Gabriel Macedo
thecowbirdlab.bsky.social
We got the cover!! Congrats to the warblers, too! @jacanamama.bsky.social @rosvall-lab.bsky.social www.nature.com/natecolevol/...
May 12, 2025 at 4:53 PM
Reposted by Gabriel Macedo
jacanamama.bsky.social
Now published! We examine how female competition shapes movement ecology. We provide the first genetic evidence of female philopatry and male-biased dispersal in a socially polyandrous bird species!

doi.org/10.1093/evol...
@journal-evo.bsky.social
A black and brown bird with its yellow wings open
May 9, 2025 at 4:11 PM
Reposted by Gabriel Macedo
naturehawk.bsky.social
So thrilled to have captured this image of iridescence on the wings of these 2 Swallows. It's tricky enough photographing these birds in flight but positioning yourself in relation to the sun a certain way can produce stunning results...

#wildlifephotography
May 2, 2025 at 6:16 AM
Reposted by Gabriel Macedo
jacanamama.bsky.social
Now published!!!! www.nature.com/articles/s41...
April 28, 2025 at 12:48 PM
Reposted by Gabriel Macedo
apsciencebylyn.bsky.social
#EmotionalSupportSpood
Current mood
Phidippus clarus jumping spider, just floofy face and big peering eyes, deep in her white silk hammock in a fennel-like plant
January 21, 2025 at 3:44 AM
gamaevo.bsky.social
I'm a little late to post about this, but I'm happy to see this paper out!

We found in ovenbirds that the color and size of their beaks, the color of their legs, plumage color and body size evolve together in relation to environmental temperature:
academic.oup.com/auk/advance-...
Macroevolution of body extremities reveals an integrated phenotypic response of coloration and morphology to temperature in a large clade of Neotropical passerines (Furnariida)
ABSTRACT. Endotherms show smaller extremities (Allen’s rule) and larger body sizes (Bergmann’s rule) in colder climates, thereby reducing heat loss. Colora
academic.oup.com
January 24, 2025 at 8:52 PM
Reposted by Gabriel Macedo
jacanamama.bsky.social
First paper (in review) from the Lipshutz Lab at Duke! Led by postdoc Leilton Luna
biorxiv-evobio.bsky.social bioRxiv Evolutionary Biology @biorxiv-evobio.bsky.social · Jan 17
Sexually selected traits predict female-biased philopatry in a sex-role reversed shorebird https://www.biorxiv.org/content/10.1101/2025.01.13.632832v1
January 21, 2025 at 2:31 AM