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@DrPlanktonguy@ecoevo.social
2025-05-03 21:46:11

First Canada Goose babies and the Baltimore Orioles are chattering up a storm. Must be early May in south-central Ontario.
#canada #birds

Two Canada Geese stand guard over a group of yellow goslings on the edge of a pond.
A Canada Goose is surrounded by a large group of fluffy yellow goslings.
A bright red-orange bird with a very black head sits in a tree just budding out.
A yellow-orange bird with brown head and wings sits on a nectar feeder.
@jby@ecoevo.social
2025-07-03 15:40:40

Mariposa lily, Calochortus leichtlinii, in Yosemite National Park
#naturalist #photography #wildflower

A lily with three narrow white sepals and three large white petals, with yellow shading towards the central whorls of the flower and a deep red-purple spot where the yellow shading starts on each petal; photographed with some out-of-focus rock and ferns visible in the background
@jby@ecoevo.social
2025-06-05 00:58:34

Photographed a new lupine — harlequin lupine, Lupinus stiversii — in Yosemite National Park over the weekend
#naturalist

A just-emerging lupine inflorescence with three fully open yellow-and-pink papillionoid flowers, framed by still-opening palmately compound leaves, and with a cluster of young fruits visible out of focus in the background
@jby@ecoevo.social
2025-06-30 21:20:17

Yosemite Falls framed by California black oak, Quercus kelloggii
#naturalist #photography #YosemiteNationalPark

A misty waterfall down a sheer gray cliff face under a flat blue sky, framed by the arcing branch of a tree with lacy pinnately lobed leaves and dark bark
@DrPlanktonguy@ecoevo.social
2025-05-31 13:30:55

Weekend #Plankton Factoid 🦠🦐
Light is an extremely important factor in the oceans. It governs not only photosynthesis, but is also an important cue for vertically migrating zooplankton and needed for visual predation. The finding that 20% of the #oceans, especially at vital polar regions, are incre…

image/jpeg diffused rays of sunlight are seen from underwater with a lone transparent jellyfish floating in the light column. Photo from Pexels, CC Freerange.
@jby@ecoevo.social
2025-05-04 20:34:38

Happy Sunday from the CSUN campus black phoebes
#naturalist #bird #wildlife #photography

A dapper little flycatcher, mostly black with white underparts, perched on a bollard with its head cocked slightly
@DrPlanktonguy@ecoevo.social
2025-06-28 13:09:46

We were in Mt Forest, #Ontario for a performance last night when #tornado warning alarms went off on all the phones. Tremendous amount of lightning, but haven't seen any official reports of damage yet. This is what the sky looked like at 9 pm 😬.

A menacing, dark yellow-orange sky illuminates the ground at a campground during a severe thunderstorm.
@jby@ecoevo.social
2025-06-27 18:58:25

White-breasted nuthatch, Sitta carolinensis, in absolutely classic nuthatch form up at Glacier Point in Yosemite National Park
#naturalist #bird #wildlife

A small passerine with a white face and breast, a black cap and slate-gray wings, perched facing downwards on a lichen-covered tree trunk, its head up so its bill is nearly parallel with the ground below
@DrPlanktonguy@ecoevo.social
2025-06-28 13:30:27

Weekend #Plankton Factoid 🦠🦐
More news about the potential collapse of an ocean current, the Atlantic Meridional Overturning Circulation (AMOC) which transfers heat from the tropics to northern Atlantic, giving Europe a much milder climate, controls plankton productivity, and importantly also generates deep ocean circulation by sinking cold dense water. Winter

image/jpeg Map of the Nordic Seas and subpolar basins with paths circulation of surface currents and deep currents (dashed) that form a portion of the Atlantic Meridional Overturning Circulation. Colors of curves indicate approximate temperatures being warmer further south. R. Curry, Wood's Hole Oceanographic Insitution CC BY 3.0.
@jby@ecoevo.social
2025-05-28 22:36:41

Anyway here's a California poppy, Eschscholzia californica, at the Antelope Valley California Poppy Preserve earlier this spring
#naturalist

A single flower with five brilliant orange petals and a profusion of orange stamens framed against out-of-focus lacy green leaves and dry stalks of grass
@DrPlanktonguy@ecoevo.social
2025-06-24 14:42:04

Terrible backlit photos of bird this morning feeding at insects at corner of the windows. Quite active and hard to see well, but still very sure it is a female american redstart from the very distinct yellow bands on the tail with a very dark tip. #birds #birdsofmastodon

A buffy coloured backlit bird flies with wings wide. Tail has a distinctive black tip.
Photo of back underside of same bird showing very yellow outer bands of yellow on the tail.
@grumpybozo@toad.social
2025-06-18 01:24:44

AI would have done the patterns slightly wrong, relative to the mathematically perfect patterns that nature produces deterministically. ecoevo.social/@danmccullough/1

@jby@ecoevo.social
2025-04-26 01:49:10

Monday I ran the Boston Marathon, and I'm glad I did but boy, was it a long time getting there
#running

A man in short running tights, a tank top printed with the Los Angeles Frontrunners logo, and a rainbow headband, running in a race down a city street
@jby@ecoevo.social
2025-06-24 15:00:38

Sierra lupines, Lupinus grayi, in the Yosemite Valley about a month ago
#naturalist #wildflower

A straight upright raceme of purple-and-white papillionoid flowers rising from a clutch of palmately compound leaves in sun-dappled shade, with more such flowers and a dark tree-trunk visible out of focus in the background
@DrPlanktonguy@ecoevo.social
2025-05-24 13:15:22

Weekend #Plankton Factoid 🦠🦐
There is a giant, vibrantly blue, 9 meter tall, 20 tonne interactive #sculpture celebrating stromatolites (fossil cyanobacteria) in Cornwall, England. The Eden Project houses this fantastic piece of art by Azusa Murakami and Alexander Groves called "infinity blu…

image/jpeg a man and a woman stand in a large space in front of a giant blue sculpture shaped like three stacked balls, which is emitting large vapour rings. Photo from Studio Swine.
@jby@ecoevo.social
2025-04-28 23:11:14

How do I know May Day is gonna be big? I'm going to be able to join an event in Studio City
I'm attending May Day Strong's event, “May Day Strong: We are the Many” - sign up now to join me!

@DrPlanktonguy@ecoevo.social
2025-06-21 12:21:25

With a record heatwave starting tomorrow, #ShowYourStripes day is timely.🥵
The #GreatLakes have helped to moderate warming, but even in southern Ontario we see a clear pattern of significantly increased warming during the last 25 years.

image/png a series of stripes illustrate the Temperature change in Toronto since 1850. The number of red bars are very shifted to the right after the year 2000.
@DrPlanktonguy@ecoevo.social
2025-05-24 12:44:48

It was an interesting and fulfilling experience to be part of the @… working group on Winter Science in the Great Lakes. There are so many nuances to how #ClimateChange and development are likely to impact ice and seasonality in the

image/jpeg two crew members on a large ship deploy a device over the side amongst ice floes.
Photo from DFO of work on the CCGS Samuel Risley Feb 2025.
@jby@ecoevo.social
2025-05-20 16:50:19

2025 Harry Smith Prize awarded to œscar Romero-Bšez for landscape genomics work that “sets a new standard”
#science #MolecularEcology #genetics

Sceloporus grammicus, a smallish brown lizard with a substantial dewlap at its throat, and orange and blue-green coloring along its flanks
@jby@ecoevo.social
2025-05-22 19:51:16

A lot to celebrate in the lab at the end of the school year — students at commencement, and a campus award for our paper presenting a reconstruction of Joshua tree flowering activity since the early 20th century
lab.jbyoder.org/2025/05/22/com

Two men, one in doctoral robes and one in Master's robes, standing under a green tree
A man in graduation robes and a man in doctoral robes in front of a building and outdoor stage, under a sunset-lit sky
@DrPlanktonguy@ecoevo.social
2025-06-23 11:54:27

Our partners at the NOAA Great Lakes Environmental Research Laboratory have found cyanobacteria microcystin toxins in the western basin of Lake Erie April 28, far earlier this year than ever before. The season starts earlier and lasts longer due to #ClimateChange.

A photo from above a sampling platform of a red research ship showing a technician retrieving a zooplankton net. The water is extremely green with floating patches of white foam. Photo from the CCGS Limnos Aug 2019 Lake Erie survey. Source DFO CC-BY-SA.
@jby@ecoevo.social
2025-05-21 16:56:16

CSUN campus squirrels are spoiled rotten, not the least because we have a largely un-harvested orange grove
(fox squirrel, Sciurus niger; sweet orange, Citrus x sinensis I assume)
#naturalist #photography #wildlife

A gray squirrel with red-brown underparts, holding a half-eaten orange in its paws like a little man who's been caught chowing down on a pumpkin
@DrPlanktonguy@ecoevo.social
2025-06-21 13:30:54

Weekend #Plankton Factoid 🦠🦐
Did you know some #copepods can "porpoise" out of the water, even though they are only mm sized? The forces required for them to break the significant surface tension of the water is enormous, 10x larger than other animals scaled to size. This requires swim…

image/gif black and white movie of silhouettes of torpedo shaped animals jumping out of water often spinning several times in the air.
Svetlichny L, Larsen PS, Kiørboe T (2018) Swim and fly. Escape strategy in neustonic and planktonic copepods. J Exp Biol, doi:10.1242/jeb.167262
@jby@ecoevo.social
2025-06-18 19:24:35

A new paper projecting Joshua tree habitat under future climate based on incredibly high-resolution distribution data, from Joshua Tree Genome Project collaborators at USGS. They estimate up to 80% loss of suitable habitat by 2100 under the worst-case climate scenario.
#JoshuaTree #science

Map of projected future habitat probabilities for Joshua tree populations based on random forest models of presence and absence, for the years 2071-2100 under SSP3-7.0. Parts of the trees' current range, indicated as outlines, are colored to indicate high probability of presence, but many parts are colored to indicate lower probability
A scatterplot of estimated future suitable habitat area in 2021-2040, 2041-2070, and 2071-2020, under three different future climate scenarios and based on modeling from different baseline time frames. In general, less suitable habitat is projected in the latest time period, and less is projected under more sever climate change
@DrPlanktonguy@ecoevo.social
2025-05-24 13:50:44

Hello #birding mastodon. I saw a bird ground feeding yesterday (no photo) that I can only identify as a painted redstart, but that would be wildly unusual here in southern #Ontario #Canada. It was red-brown un…

@jby@ecoevo.social
2025-06-17 15:42:12

The proposed sell-off of federal lands in the Senate budget bill includes a LOT of Joshua tree habitat—the trees grow in some of the largest areas of undeveloped land in the lower 48 states
The place where eastern and western Joshua trees hybridize, north of Creech AFB, is included
#JoshuaTree #USpolitics

A map of Bureau of Land Management and US Forest Service proposed for sale, covering a lot of southern Nevada, southeastern California, and western Arizona
A map of Joshua tree habitat determined from satellite imagery, covering southern Nevada, southeastern California, and western Arizona
@DrPlanktonguy@ecoevo.social
2025-06-21 18:19:38

Randall Monroe's recent "xkcd What if" video has a Great Lakes connection.
"What if you funneled Niagara Falls through a straw?"
Super cool system where we did fieldwork some year ago.
Kudos for mentioning trouble with the Niagara Board of Control. 🏅
youtu.be/pfbzrr…

image/jpeg a line drawing comic of a stick figure in front of a white board showing a river flowing over a height and a glass with a straw in it. An arrow points to the straw.
xkcd.com
@jby@ecoevo.social
2025-05-22 16:59:16

2025 Molecular Ecology Prize goes to Rosemary Gillespie, for harnessing molecular phylogenetics to understand community assembly and ecology
molecularecologist.…

A golden-green spider with black spots and a lumpy-looking abdomen, viewed in sharp focus from above as it sits on a leaf
@jby@ecoevo.social
2025-04-09 16:50:04

Good morning from Sepulveda Basin Wildlife Refuge
#naturalist #LosAngeles #wildflowers

A dusty flat path between low greenery, shaded by over-arching oak trees with morning sun peeking through the branches
A ladybird beetle on a stalk of dock
An arroyo lupine, a single panicle of purple papillionoid flowers surrounded by palmately compound leaves, all beaded with dew
A flowering branch of western redbud, pink papillionoid flowers and ovate green leaves hanging from woody stems
@DrPlanktonguy@ecoevo.social
2025-05-17 13:30:08

Weekend #Plankton Factoid 🦠🦐
Plankton is fundamental to the functioning of aquatic #ecosystems. An example was seen in the 2013 deaths of #Florida bottlenose dolphins. Dense harmful phytoplankton

image/jpeg a sleek, grey, bottlenosed dolphin comes partially out of the water with a fish captured it in its mouth.
Photo from Sarasota Dolphin Research Program.
https://sarasotadolphin.org/tangled-food-web/
@DrPlanktonguy@ecoevo.social
2025-06-14 14:00:49

Weekend #Plankton Factoid 🦠🦐
Mating by copepods is a complicated process since they are always at risk of predation by other plankton or fishes. Male #copepods carefully mechanically and chemically track a receptive female, capture them, and deposit an adhesive spermatophore near the genital open…

image/jpeg a microscope photograph of a shrimp-like male calanoid copepod with very long antennae with one having a distinct kink in it marked with a "ga" as a geniculate antenna. Source: An Image-Based Key To The Zooplankton Of North America
Version 5.0.
image/jpeg two shrimp-like copepods are shown side by side, one female carrying paired egg sacs off the abdomen, and a slightly smaller male with distinctively hooked antennae. A scale bar indicates they are approximately 1 mm long. Cyclops bicuspidus, NOAA GLERL.
@jby@ecoevo.social
2025-04-24 17:47:22

Very glad to see that CSUN's president has joined the AAC&U open letter "against the unprecedented government overreach and political interference now endangering American higher education"
aacu.org/newsroom/a-call-for-c

@DrPlanktonguy@ecoevo.social
2025-06-19 12:38:57

Randall Munroe (of xkcd fame) posted about an analysis done by David R. Hagen related to his "missing 11th" comic. Great read, which includes some nice statistical analysis, but more interestingly, bias and artifacts.
bsky.app/profile/xkcd.com/post

image/png a "calendar of meaningful dates" is shown with the day for each month varying in size. From XKCD comics by Russell Monroe CC-BY-NC.
@jby@ecoevo.social
2025-05-12 17:58:13

Western Meadowlark, Sturnella neglecta, on the trailside fencing at Asilomar State Beach back in January
#naturalist #wildlife #photography

A mostly brown-and-white bird with a bright yellow breast marked by a black chevron, perched on a wire with out-of-focus blue surf visible in the background
@jby@ecoevo.social
2025-05-19 17:00:26

Earlier this semester I joined "Remnants of Resistance," a podcast by colleagues in CSUN's library and Queer Studies faculty, to talk genetics and queer identity
#LGBTQ #genetics #evolution

@jby@ecoevo.social
2025-06-21 22:54:32

The recording of my IDEA talk is up on the #Evol2025 YouTube channel, and I've thrown that together with a PDF copy of the slide deck and a bibliography: lab.jbyoder.org/2025/06/21…

@DrPlanktonguy@ecoevo.social
2025-05-10 14:00:44

Weekend #Plankton #Factoid 🦠🦐
I've always been impressed by this video from New Scientist about #copepods, the planet's most abundant multicellular organism, with interviews from several UK uni…

image/jpeg a caption of "Why Zooplankton are Ocean Carbon Heros" with the NS logo of New Scientist. Translucent torpedo shaped copepod zooplankton are seen in the image against a black background.
@jby@ecoevo.social
2025-06-06 16:25:20

Pacific wren, Troglodytes pacificus, along the Merced River in Yosemite National Park
#naturalist #photography #bird #wildlife

A small brown wren with its underparts checkered in darker and lighter shades, perched on a branch against a blurred green background, in profile to the camera with its tail up
@DrPlanktonguy@ecoevo.social
2025-05-16 12:26:26

This is just yet another example of what happens when #ClimateChange is ignored. A ramp-up of extreme #weather is causing #insurance companies to stop offering coverage in areas around the globe where…

@jby@ecoevo.social
2025-04-07 18:38:47

My weekend trip to the desert included a stop at the Antelope Valley California Poppy Preserve, where the poppies were finally out, if not in superbloom mode
#naturalist

A California poppy, four bright orange petals surrounding a spray of orange stamens
Two people viewed from a distance, standing against a blue sky with wispy white clouds on the summit of a gentle hillside streaked with orange poppies and green-brown grass
@DrPlanktonguy@ecoevo.social
2025-06-07 13:30:58

Weekend #Plankton Factoid 🦠🦐
The new Surface Water and Ocean Topography (SWOT) satellite is crazy accurate. It can measure ocean altimetry to a mm, imaging internal waves and small sub eddies (rotating mixing zones). Tiny changes in height happen when water swirls (try it in a sink) with greater height at the edges due to centripetal force. These may be even more important for temperature &a…

image/jpeg a gold satellite with extended solar panels is shown in orbit around the earth. Image from NASA.
image/jpeg a visualization of currents off the eastern coast of North America shows hundreds of interconnected swirling eddies spinning in the Atlantic Ocean. Image from NASA.
@jby@ecoevo.social
2025-04-10 17:43:11

A lizard — side-blotched, Uta stansburiana, I think? — debating sunlight and shade under the leaves of a caniagre dock plant at Saddleback Butte State Park this weekend
#naturalist

A small gray-and-brown striped lizard with a dark streaky blotch of color at its flank, sitting just under the shade of a big leathery leaf with a ragged edge
@jby@ecoevo.social
2025-06-05 16:42:19

Interesting study of eastern Joshua tree mycorrhizal associations from trees near the Dome Fire burn in Mojave National Preserve, with sampling stratified by season
#ecology #mutualism #JoshuaTree

The bioRxiv logo
@DrPlanktonguy@ecoevo.social
2025-06-11 15:17:14

Congratulations on the retirement of Bill Curry after 13 years as head of the Bermuda Institute of Ocean Sciences, following an already amazing, full career at Wood's Hole Oceanographic Insitution where he was a leader in marine geology, #climate and #carbon cycling research.

@jby@ecoevo.social
2025-04-17 17:20:54

I missed this in the midst of everything else last week, but of course the Trump Administration has killed the questions on sexual orientation and gender identity in NSF's Survey of Earned Doctorates, which were only put in place after YEARS of effort by advocates

@jby@ecoevo.social
2025-06-26 17:42:35

And here's Half Dome
#naturalist #photography #landscape #mountains

A view from the Glacier Point lookout, looking over pine trees to the eastern end of the Yosemite Valley; the valley in shadow to the right of Half Dome, a prominence of bare rock viewed edge-on with a sheer flat face on the left, and a rounded back on the right; all under pale blue sky studded with clouds
@DrPlanktonguy@ecoevo.social
2025-05-06 19:25:58

Stream or buy R.E.M.'s new EP of "Radio Free Europe" with proceeds to support Radio Free Europe / Radio Liberty, which is having its funding cut by Trump. Merch also available with proceeds to RFE/RL.
#PublicRadio #Music

@jby@ecoevo.social
2025-05-14 22:39:07

“Apocalypse forces us to radically change. But by facing the future with optimism instead of doom, we can transform ourselves into the kinds of people-the kinds of communities—who can survive.”
slate.com/technology/2025/05/h

@jby@ecoevo.social
2025-06-25 22:22:49

Midmorning view up the Yosemite Valley
#naturalist #landscape #photography #YosemiteNationalPark

A green-forested valley with a flat floor, running into blue misty distance between steep vertical cliffs; on the right a waterfall is visible down one of the cliffs, and the distinctive profile of Half Dome is visible at the far end of the valley
@DrPlanktonguy@ecoevo.social
2025-05-27 21:37:57

It's not protesting, it is just communicating #climate and #weather science for 100 straight hours. 👏🤓🥼
#uspol #science

@jby@ecoevo.social
2025-06-08 14:09:41

Got a new op-ed in LNC/LancasterOnline this morning, on the importance of the curiosity-driven science the National Science Foundation is supposed to support
"For every Thermus aquaticus there are hundreds of scientific projects that end in nothing more than a peer-reviewed research article and some fond memories of fieldwork. But we need those hundreds of curiosity-driven studies to find that one lucky, world-changing discovery."

@jby@ecoevo.social
2025-04-08 18:38:31

I'm incredibly proud to report that Pryce Millikin, the current master's student in my lab, has been recognized with an Honorable Mention in this year's NSF Graduate Research Fellowship competition, in a year when NSF gave out just 1,000 GRF awards across every field of science nationwide

@jby@ecoevo.social
2025-05-08 15:31:33

Honestly, good for these folks
City councils in Boise and Salt Lake City work around restrictions on LGBTQ flags
npr.org/2025/05/08/nx-s1-53897