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Jeremy G Bird @drjeremygbird.bsky.social · 22/09/2026

#redheads #birdoftheday #wildlife #photography 🪶 Hiked to Josephine saddle at the top of Madera canyon to find this red-faced warbler. Santa Cruz County, AZ. Mid-August 2026.

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Petra Levin @redrockcity.bsky.social · 19/09/2026

4 years (!) in the making, in this review Jade Wang and I detail the fundamental processes underlying growth, the cell autonomous nature of homeostatic control, and the contribution of stochasticity to both. TL;DR Bacteria are more like teenagers than you think. www.nature.com/articles/s41...

nature.com

Bacterial growth rate in populations and single cells - Nature Microbiology

In this Perspective, Levin and Wang give a brief history of bacterial growth rate and discuss how it is connected to nutrient availability and macromolecule synthesis, with a focus on (p)ppGpp as a ce...

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Jeremy G Bird @drjeremygbird.bsky.social · 13/09/2026

Got to get in the good viewing before they migrate soon. Ruby throated hummingbird. SE Pennsylvania. September, 2026 #birds #wildlife #photography

A female or juvenile ruby throated humming bird perches on a vertical wire hanger for a feeder while looking to the left of the photo. Its white fluffy belly and patterned gorget are evident.

A female or juvenile ruby throated humming bird perches on a vertical wire hanger for a feeder while looking to the right of the photo. Its belly appears grayish and its patterned gorget is evident.

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Jeremy G Bird @drjeremygbird.bsky.social · 10/09/2026

#Iridescence #birdoftheday #birdphotohgraphy 🪶 Rivoli Hummingbird. Beatty's Guest Ranch, AZ. August 2026

A male Rivoli hummingbird perches on a small nub off of a vertical tree branch and looks off frame to the left showing off a beautiful teal gorget and purple cap.

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Jeremy G Bird @drjeremygbird.bsky.social · 01/09/2026

#BirdoftheDay #Flowerpower 🪶 There is nothing better than watching hummingbirds feed. Olbrich Botanical Gardens, Madison, WI Aug 2025

A juvenile ruby throated humming bird feeds on a salvia flower while hovering in midair. The bird is in the center of frame with its beak inside the flower to the left of frame.

A female ruby throated hummingbird lands on a stalk of purple flowers

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Stirling Churchman @stirlingchurchman.bsky.social · 07/08/2026

Happy 101 birthday to Jack Strominger! Celebrating at the farm!

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Jeremy G Bird @drjeremygbird.bsky.social · 07/07/2026

#birdoftheday #orange #birds American Redstart and Baltimore Oriole from a trip to the John Heinz NWR June 2025

An American Redstart sits on a branch that travels from the top left of the photo to the bottom right. The bird is facing to the left and has its mouth open In song. The orange shoulders, wingbars and tail are all readily seen along with it's white underside.

A male Baltimore Oriole perches on a tree branch facing to the left with its orange body, black head and wings with white wing bars all clearly visible. I had wondered why it was being so cooperative, but it was watching over one of its young that had fallen out of the nest before it had adult feathers and could fledge.

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Jeremy G Bird @drjeremygbird.bsky.social · 24/06/2026

Today's #birdoftheday alt theme is #Birds&Bokeh I will never get tired of cedar waxwings.

A cedar waxwing perches on a tree branch with a smaller branch ending in new growth sticking off of the primary branch just to its left. The bird is looking to the left of frame with its brown breast, yellow underside, brown crest and black "facemask" all readily visible. Below the branch the viewer can also see the yellow tip of its tail.

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Jeremy G Bird @drjeremygbird.bsky.social · 05/06/2026

1/ A new preprint from my lab is out now: “The E. coli DEAD box ATPase, CsdA, is a NAD+ capped RNA binding protein” lead by my graduate student Kaustuv Das with the assistance of @childerslab-pitt.bsky.social -pitt.bsky.social and @schraderlab.bsky.social www.biorxiv.org/content/10.6...

biorxiv.org

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Victoria Deneke @vdeneke.bsky.social · 22/05/2026

From an evolutionary perspective, we find that TMDD1 and FAM187 are conserved beyond vertebrates. A recent preprint from Amber Krauchunas’s lab shows that FAM187/spe-40 is also essential for fertilization in C. elegans! www.biorxiv.org/content/10.6...

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Jeremy G Bird @drjeremygbird.bsky.social · 10/05/2026

Spring songbird migration is going strong. Milford Neck, DE 8/9/2026 #birds #wildlife

An indigo bunting perches on a banch that crosses the picture diagonally. His head is slightly tilted to the left, and his brilliant blue color is very evident.

A blue grosbeak holds on to dried grass and looks back over his wing towards the photographer. His fas is partially occluded by the grass, but his finch-like beak and the brown striping of his wing is clearly visible.

Appropriately, a pine warbler perches in a pine tree. His yellow breast and head are clearly visible as are the white wing bars on his gray wings.

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Jeremy G Bird @drjeremygbird.bsky.social · 01/05/2026

#birds #birdoftheday #parenting More gratuitous baby burrowing owls. Aruba, Jan 2025.

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Jeremy G Bird @drjeremygbird.bsky.social · 30/04/2026

#birds #birdoftheday #bestofthemonth A good month for seeing birds. Not so many good photos taken though.

A palm warbler perches on a branch in a newly budding bush facing to the left of the photo showing the distinctive reddish-brown cap over the yellow body with brown accents on the back and wings.

A mother Canada Goose swims with her new brood of four goslings through a creek (to get them further away from the photographer). All four goslings are relatively newly hatched and are all yellow fuzz.

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Jeremy G Bird @drjeremygbird.bsky.social · 12/04/2026

Not the best shot as they were so far away, but great horned owl nest with chick at Conowingo Dam on the Susquehanna River, Maryland. 4/12/2026 #birds

A great horned owl sits with its chick in its nest in the V of a tree. The owl is looking to the right of the photo showing its "horns"

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Jeremy G Bird @drjeremygbird.bsky.social · 18/03/2026

#birds #birdoftheday #landmeetswater Two late season Snow geese near sunset. Bombay Hook NWR, Delaware. April, 2023.

A pair of snow geese stand on the bank of a canal amongst grass. The one is in front of the other facing right partially blocking view of the second. Behind them is the canal and past that is marsh grass that extends to the horizon.

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Jeremy G Bird @drjeremygbird.bsky.social · 09/03/2026

#birdoftheday #sideprofile #birds #hummingbird Blue-tailed emerald feeding from a cactus flower. Aruba. Jan 2026.

A female blue-tailed emerald hummingbird drinks from a red prickly pear flower while hovering with its wings outstretched.

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Jeremy G Bird @drjeremygbird.bsky.social · 12/02/2026

#birds #birdoftheday #birds&bugs Ash-throated Fly Catcher with a nice fat caterpillar. Los Cabos, MX. Dec, 2025. Taken by A. Krauchunas

An ash-throated flycatcher carries a gray caterpillar in its beak as it was hopping along a branch in the undergrowth.

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Jeremy G Bird @drjeremygbird.bsky.social · 08/02/2026

It was incredibly windy and only single digits today, but some of the birds did not mind #birds #wildlife

A turkey vulture and two black vultures sit in a row on a branch of a fir tree. Their wrinkly featherless heads are very prominent in direct sunlight.

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Jeremy G Bird @drjeremygbird.bsky.social · 03/02/2026

There may not be a more magical hummingbird than the Ruby Topaz. Aruba. January, 2026. #birds #wildlife #hummingbird #photography

A ruby topaz hummingbird hovers in front of a red flower on a prickly pear cactus. The bird is in direct sunlight showing off it's beautiful golden gorget and red crown.

A ruby topaz hummingbird looks upwards towards its next destination, immediately after having fed on a red prickly pear cactus flower. Its tail feathers are spread and its golden gorget and red crown are both visible.

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Jeremy G Bird @drjeremygbird.bsky.social · 28/01/2026

#Birds doing things they're not supposed to. A Black-crowned night heron pretending to be a duck. Divi Links, Aruba. January 2026. #wildlife

A black-crowned night heron swims through a pond that is too deep for it to touch the bottom, posed like it is a duck.

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Jeremy G Bird @drjeremygbird.bsky.social · 23/01/2026

Yellow-crowned night heron Spanish Lagoon, Aruba. January, 2026. #birds #wildlife #photography

A yellow-crowned night heron stands amongst a field of mangrove propagules with it's head turned to the right, revealing its bright red eye and yellow crown feathers.

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Jeremy G Bird @drjeremygbird.bsky.social · 19/01/2026

#MallardMonday #Ducks #WeirdDucks #Birds #Wildlife White-cheeked Pintails, Bubali Bird Preserve, Aruba January 2026

Nine white-cheeked pintail ducks are visible in the field of view facing all different directions as they float in the water. Their white lower sides of their faces, brown caps and orange and black bills are all clearly visible.

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Jeremy G Bird @drjeremygbird.bsky.social · 16/01/2026

A personal first as a timeline cleanse. Purple gallinule. Bubali bird preserve, Aruba. #birds #wildlife

A purple gallinule climbs on a palm frond, showing it’s deep purple chest feathers, blue-green wing feathers, and large heavily clawed foot.

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Jeremy G Bird @drjeremygbird.bsky.social · 31/12/2025

Costa's hummingbirds for the new year! #birds #wildlife 🪶

An adult male Costa's hummingbird hovers in mid frame with its wings blurred. The beautiful purple and cerulean blue feather colors of it's crown and gorget are in full view.

A adult make Costa's hummingbird hovers midframe facing away from the viewer. The dark crown and mustache-like gorget feathers are readily evident as is the yellow pollen from the hibiscus flowers he was feeding on.

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Jeremy G Bird @drjeremygbird.bsky.social · 31/12/2025

Costa's hummingbirds for the new year! #birds #wildlife 🪶

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Jeremy G Bird @drjeremygbird.bsky.social · 25/12/2025

I‘m a fan of the Christmas tree decorations this year 🪶 #birds #wildlife #photography Los Cabos, MX

Three cattle egrets sit in the fronds of a palm tree. In the lower left one stands on a leaf with its back to the camera. In the middle right one is preening its wings and in the top one looks back over its shoulder.

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Jeremy G Bird @drjeremygbird.bsky.social · 25/12/2025

Merry Christmas Eve from this Grooved-bill Ani. San José del Cabo, Mexico. 🪶 #birds #photography #wildlife

A grooved-bill Ani perched on a large stalk of grass peers from behind the grass leaves showing off its distinctive grooved beak and iridescent neck feathers.

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Jeremy G Bird @drjeremygbird.bsky.social · 27/11/2025

Happy Thanksgiving from a couple of yellow-rumped warblers 🪶 #birds #wildlife #photgraphy

A yellow-rumped warbler sits head-on on a fir branch looking towards the right of the photo showing the yellow spots on its haunches.

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Jeremy G Bird @drjeremygbird.bsky.social · 24/11/2025

Tis the season for red shouldered hawks 🪶 #birds

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Jeremy G Bird @drjeremygbird.bsky.social · 13/11/2025

Me, when my graduate student asks for a third meeting this week, on a Wednesday.

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Jeremy G Bird @drjeremygbird.bsky.social · 10/11/2025

One week left until the priority deadline. Come join us in Biological Sciences the University of Delaware.

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Jeremy G Bird @drjeremygbird.bsky.social · 14/10/2025

Horror Contig(artifact?) from my students' phage genome sequencing just in time for Halloween 🧪 #microsky

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Terry McGlynn @hormiga.bsky.social · 09/10/2025

"Why are we in this theater? Let's walk out!" [They did not move.]

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Jeremy G Bird @drjeremygbird.bsky.social · 06/10/2025

My department (Biological Sciences) at the University of Delaware is looking for a new tenure track assistant professor with a research focus on biomolecular sensing broadly. 🧪#molbiol #microsky careers.udel.edu/en-us/job/50...

careers.udel.edu

University of Delaware - Details - Assistant Professor (Tenure Track), Department of Biological Sciences

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Jeremy G Bird @drjeremygbird.bsky.social · 29/09/2025

My Experimental Microbiology students have all successfully cultured their phage! And thanks to the U Delaware Bioimaging Core we have really nice TEM images. Next step, genome sequencing. 🧪#MoBiol

This is a transmission electron micrograph of a t-even family E. coli phage. The capsid head is visible as a dark spot in the upper lefthand corner with the tail protruding from it. The tail fibers are also just visible.

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George O'Toole (he/him/his) @geiselbiofilm.bsky.social · 10/09/2025

New in JB: There are many ways to regulate transcription. Jayasinghe and Babitzke review the role of RNA polymerase pausing in the control of gene expression in several microbes. journals.asm.org/doi/10.1128/... @asm.org #JBacteriology

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Jeremy G Bird @drjeremygbird.bsky.social · 09/09/2025

#birds More hummingbirds just because (just because they'll be migrating away soon enough and we'll miss them).

A female ruby throated hummingbird hovers under a butterfly bush flower spike while feeding on nectar from its flowers. The hummingbird's prismatic back feathers are showing both blue and green.

A female ruby throated humming bird perches on the stamen of a red and white lily flower and picks ants out of the inside of the flower. Her back and wings are pointed towards the viewer.

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Jeremy G Bird @drjeremygbird.bsky.social · 06/08/2025

When at the Genetics of Bacteria and Phage meeting #phages2025 it's important to visit Olbrich botanical gardens for the macrobiology #birds #wildlife #photography

A snowberry clearwing (Hummingbird moth) feeds from a flower while hovering above it.

A female ruby-throated hummingbird feeds from a purple salvia flower with the entirety of it's beak in the flower.

A female ruby-throated hummingbird mid-flight with its wings fully extended and a distinct black marking on her neck.

A great black wasp crawls on small pink flowers looking for pollen

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Jeremy G Bird @drjeremygbird.bsky.social · 01/08/2025

Important to note: 1. The job search that he applied to ultimately hired a different white man and 2. He is mad because a separate department from the one he applied to was directly recruiting a senior faculty member from another university who happened to be a black woman. Absolute nonsense.

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