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Brennan Mulrooney

@langooney.bsky.social
595 followers 444 following 710 posts

Wildlife biologist for ESA and tour leader for Victor Emanuel Nature Tours. Birder and photography enthusiast. ventbird.com

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Brennan Mulrooney @langooney.bsky.social · 4h
Today's #BirdOfTheDay theme is #BestOfTheMonth set by @robcrank68.bsky.social - I’m not sure if this is my best, but it’s gotta be right up there. Subadult Parasitic Jaeger on Monterey Bay. #birds #VENTbird
A brown and white gill-like bird with a long pointy tail flies past the photographer against a blue sky. The sun gleams in its eye. The mottled underwing coverts indicate a subadult bird. 
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Brennan Mulrooney @langooney.bsky.social · 29/09/2026
@robcrank68.bsky.social says: @alan678.bsky.social theme for #BirdOfTheDay is #EFG, birds beginning with any of those letters (1st name). I present this group of Elegant Terns. This was part of a huge flock that was staging on the beaches of Monterey County California. #birds #ECK
Elagant Terns fly past the photographer. This species moves north in huge numbers after breeding in Southern CA and Baja, before heading back south to winter in Central and South American waters.
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Brennan Mulrooney @langooney.bsky.social · 28/09/2026
@helenbennett.bsky.social has said Today's #BirdOfTheDay theme is #BokehBirds - any bird captured with a soft, muted or blurry background. This White-breasted Nuthatch posed nicely for me, under the limbs of a madrone that provided some lovely bokeh. #birds #ECK
A white-breasted nuhatch is perched beneath the canopy of a tree that is well out of focus. 
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Brennan Mulrooney @langooney.bsky.social · 27/09/2026
@atlanticbirding.bsky.social has said: Today’s #BirdOfTheDay theme is: #Seabirds; any bird found at sea or the coast This Parasitic Jaeger gave us a nice close flyby during our group’s boat trip out of Monterey. #birds #VENTbird
A dark morph parasitic jaeger glides close to the ocean’s surface
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Brennan Mulrooney @langooney.bsky.social · 21/09/2026
@alan678.bsky.social says the #BirdOfTheDay theme today is #LightAndShadow, any bird capture that has both. This Mourning Dove was being very dramatic as it peered from the shadows, greedily eyeing the birdseed below my feeders. #birds #ECK
A Morning Dove looks at the camera, its body is half illuminated.
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Brennan Mulrooney @langooney.bsky.social · 13/09/2026
A late entry for Helen’s @helenbennett.bsky.social #BirdOfTheDay theme: #BirdsInAbstract #birds #blackandwhite
A roosting flock of American Avocets
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Brennan Mulrooney @langooney.bsky.social · 12/09/2026
Helen’s @helenbennett.bsky.social #BirdOfTheDay theme: #BirdsInAbstract From motion blur, obscure angles, or contrasting textures, anything goes! This is an abstracted look at an American Avocet from this morning. #birds #ECK
A black and white shorebird wades through still water, the reflection and the actual bird are difficult to distinguish. The image is upside down. 
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Brennan Mulrooney @langooney.bsky.social · 06/09/2026
@robcrank68.bsky.social says Today's #BirdOfTheDay theme is #Pigeons. When I lived in the Florida Keys, we would sometimes see White-crowned Pigeons, but they were scarce and shy. I got lucky with this one (in a photographic sense) on a morning walk in Key Largo. #birds #ECK
A blue/gray pigeon with pink feet, a yellow eye, an ivory-tipped pink bill, an iridescent scaly nape and a brilliant white crown is perched on a slim branch in the morning light
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Brennan Mulrooney @langooney.bsky.social · 05/09/2026
Per Alan @alan678.bsky.social, today’s #BirdOfTheDay theme is #InFlight, any bird in flight. Here is a White-tailed Tropicbird I photographed on the island of Kauai. The species most evocative of the tropical oceans for me. #birds #ECK
A long tailed white bird with bold black markings flies against a blue sky. 
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Brennan Mulrooney @langooney.bsky.social · 31/08/2026
Per @helenbennett.bsky.social For today's #BirdOfTheDay it's #BirdsUpClose Any bird at close range, allowing you to see their lovely fine details! This magnificent Great Gray Owl wintered on the campus of UBC in Vancouver. I digiscoped this with my 4mp Nikon Coolpix. #birds
 This bird has been present for a couple of months by the time we in had a chance to chase it, it had become quite habituated to humans. Over 20 years ago and still the only bird I have chased using public transit.
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Brennan Mulrooney @langooney.bsky.social · 28/08/2026
@alan678.bsky.social says Today’s #BirdOfTheDay theme is: #Coastal&River any coastal or river birds. This is a juvenile Short-billed Dowitcher that has just completed its first southbound migration. The Pacific population breeds in Alaska and NW Canada. #birds
A richly colored, fresh looking shorebird stands on a mudflat.
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Brennan Mulrooney @langooney.bsky.social · 25/08/2026
According to @alan678.bsky.social The #BirdOfTheDay theme today: #RecentGardenBirds, most recent capture/s of a bird/s in your garden. Alt #ReflectionsAndShadows, any capture of a bird with an accompanying reflection/ shadow. For the alt-theme, I present this thirsty Barn Swallow. #birds #ECK
A Barn Swallow flies just above the surface of a pond with its mouth wide open. The calm surface acts as a mirror.
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Brennan Mulrooney @langooney.bsky.social · 24/08/2026
Helen @helenbennett.bsky.social has said today's #BirdOfTheDay theme is: #ThinPerches any bird on a comparatively thin perch. This Vermilion Flycatcher seems to be maxing out the load capacity of the weed stalk it has chosen to perch on. #birds #ECK
A brilliant red bird is perched on a thin twig against a soft gray/brown background.
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Brennan Mulrooney @langooney.bsky.social · 18/08/2026
@robcrank68.bsky.social says Today's #BirdOfTheDay theme is #Iridescence, any bird with colour changing plumage. Hard to not go with #hummingbirds #birds #ECK
Garden Emerald Lucifer HummingbirdPurple-throated CaribAnna’s Hummingbird
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Brennan Mulrooney @langooney.bsky.social · 16/08/2026
@helenbennett.bsky.social says Today's #BirdOfTheDay theme is: #UnusualPlaces any bird that turns up in a place where you wouldn't normally expect to see it! This is a Purple Gallinule that was hiding in an opening in the wall (embrasure) of Fort Jefferson (Dry Tortugas NP). #birds #migration
Fort Jefferson is the largest masonry structure in the western hemisphere. It sits on Garden Key in the Dry Tortugas, 70 miles west of Key West, FL. I tiny dot of land at the mouth of the Gulf of Mexico. During spring and fall migration, thousands of migrating birds stop on the island to rest. They are often in rough shape when they arrive, usually put down by unfavorable weather. This leads to odd scenes like this secretive marshbird making the best of a bad situation.
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Brennan Mulrooney @langooney.bsky.social · 15/08/2026
@atlanticbirding.bsky.social says: Today’s #BirdOfTheDay theme is #50ShadesOfGrey; birds with grey plumage. This is a Plumbeous Vireo, named for the lead-gray color of its plumage. Plumbum being the latin word for lead. #birds #ECK
A gray and white songbird is perched on a diagonal branch. It has bright white spectacles.
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Brennan Mulrooney @langooney.bsky.social · 14/08/2026
@robcrank68.bsky.social says: Today's #BirdOfTheDay theme is #Warblers, any of the Warbler Species. Not all warblers are called “warblers”. The Northern Parula is a species of “New World Warbler”. I digiscoped this individual in Key Largo, FL with my old Nikon Coolpix 8400. #birds #ECK
A small blue, white, and yellow warbler is perched amid green foliage.
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Reposted by Brennan Mulrooney
Michelle says: Be kind. Always. ❤️ @snarkysillysad.bsky.social · 13/08/2026
@nautiluslive.org encounters a Chaunacops, a genus of anglerfish easily recognizable by their round bodies, pink hue, & frowny faces w/ a fluffy lure that appears as small white dots in the middle of their foreheads. Filmed at 3690 feet deep. 🔊 #AGoodPlace
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Brennan Mulrooney @langooney.bsky.social · 13/08/2026
@alan678.bsky.social has said: The #BirdOfTheDayTheme is #AtOneWithNature Celebrating birds in their natural environment. No manmade objects. Hooded Mergansers are denizens of small wooded ponds, and that’s just where I found this one. The male’s bold markings blend in surprisingly well. #birds
A drake Hooded Merganser floats along the edge of a wooded pond. The branches behind it are reflected on the surface, effectively camouflaging the bird.
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Brennan Mulrooney @langooney.bsky.social · 12/08/2026
🪶 Helen has chosen #NoBranchWood as today’s #BirdOfTheDay theme; any bird on wood that isn’t a branch. This Belding’s Savannah Sparrow was claiming it’s territory at San Elijo Lagoon. This endangered subspecies is resident in the salt marshes Southern California and Baja California. #birds
A boldly streaked sparrow sings from atop a fence post
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Brennan Mulrooney @langooney.bsky.social · 08/08/2026
Helen @helenbennett.bsky.social Have set the themes for #BirdOfTheDay #DownyFeathers - any bird showing soft, fluffy down feathers. Here we have a newly hatched Pied-billed Grebe chick nestled up next to its parent on the nest. Its siblings are tucked under the adults wings. #birds
A downey chick is perched on the edge of its nest next to its parent. The nest is a mound of vegetation just above the water surface in a pond. 
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Brennan Mulrooney @langooney.bsky.social · 07/08/2026
AB @atlanticbirding.bsky.social has said: The #BirdOfTheDay theme is #LittleBrownBirds - nothing says a little brown bird quite like a Bushtit. Weighing in at a whopping 5g and as brown as the day is long 😂 (at least here on the Pacific Coast - interior birds are gray)
A tiny little brown bird clings to the flower buds of a lemonade berry. 
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Brennan Mulrooney @langooney.bsky.social · 06/08/2026
Today's #BirdOfTheDay theme from @robcrank68.bsky.social is #LongLegs, any bird with long legs. This fun shot of a Great Egret not only shows the very long legs, but if you zoom in you can appreciate the odd placement of their eyes. #birds
A great egret flies overhead. Both eyes are visible, displaying the odd morphology of the head.
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Brennan Mulrooney @langooney.bsky.social · 05/08/2026
For Alan’s @alan678.bsky.social #BirdOfTheDay theme #RedOrDead I have selected this Pine Siskin I found in the park by my house. We don’t get them every winter, so it was a treat to get such a nice view. #birds
A small streaky finch clings to a bare branch with new leaf buds just starting to grow
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Brennan Mulrooney @langooney.bsky.social · 04/08/2026
Helen @helenbennett.bsky.social has chosen today's #BirdOfTheDay theme #FabulousWaders Any wading bird that you love! In the US we call them shorebirds. I encountered this Solitary Sandpiper on its breeding territory up on Alaska’s Denali Hwy. #birds #ECK #VENTbird
A sandpiper is perched on a snag, singing in a territorial display
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Brennan Mulrooney @langooney.bsky.social · 02/08/2026
Today's #BirdOfTheDay theme chosen by @robcrank68.bsky.social is #BestOfJuly Now this photo is by no means my highest quality photo from July, but it’s definitely the one I was happiest about. My loooong awaited lifer Kermadec Petrel. Kilauea Point NWR on the island of Kauai. #birds
I had to hike about a mile and wade across a river, but I was rewarded with several quick views in the last light of day. One of the rarest breeding birds in the US.
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Brennan Mulrooney @langooney.bsky.social · 01/08/2026
@alan678.bsky.social says today’s #BirdOfTheDay theme is #OverTheRainbow, any bird looking skyward. This young Cooper’s Hawk must have caught sight of a Peregrine or a Red-tailed Hawk above, it was definitely more concerned with that, than with me. #birds
A juvenile Cooper’s Hawk gazes skyward.
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Brennan Mulrooney @langooney.bsky.social · 31/07/2026
@robcrank68.bsky.social says Today's #BirdOfTheDay theme is #EgretsAndHerons, any Egret or Heron will do. I present this Snowy Egret I found foraging in calm water under a bridge. #birds #reflection
A Snowy Egret stands in calm dark water. Its white plumage creates a ghostly reflection.
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Brennan Mulrooney @langooney.bsky.social · 29/07/2026
@robcrank68.bsky.social says Today's #BirdOfTheDay theme is #MultiColour, birds with 3 or more colours in their plumage. We can tell that this Belted Kingfisher is a female by the rusty belt she wears. The males are merely bicolored. #birds
A female Belted Kingfisher is perched on a gnarly branch in a marsh
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Reposted by Brennan Mulrooney
Caryn Rose @carynrose.bsky.social · 29/07/2026
even if you are not a big fan of glen hansard this story about him meeting van morrison is something you need to watch if you care about music at all: youtu.be/29abxJgCyOI?... - thank you to the random person on here or twitter who insisted that i watch it all those years ago
youtu.be
Glen Hansard meets Van Morrison
YouTube video by bannedfromchina
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Brennan Mulrooney @langooney.bsky.social · 28/07/2026
@alan678.bsky.social says Today’s #BirdOfTheDay theme is #EmeraldBackdrop – Images where the background coloor is green. Of course foliage is usually green, but often water is too, it’s just harder to capture that color. I shot this male Surf Scoter looking down from Imperial Beach Pier. #birds
A black duck with a boldly marked orange, red, black and white bill swims in clear green water.
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Brennan Mulrooney @langooney.bsky.social · 24/07/2026
@robcrank68.bsky.social says Today's #BirdOfTheDay theme is #SittingDownOnTheJob, birds sitting on the floor. I captured this Sanderling having a rest on California’s Cardiff State Beach, just before it winged its way to the arctic for the summer. #birds
A Sanderling in breeding plumage lays on its belly on the beach.
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Brennan Mulrooney @langooney.bsky.social · 18/07/2026
@robcrank68.bsky.social says today's #BirdOfTheDay theme is #Corvidae and the Alt theme is #BlueSky, this shot of a Black-throated Magpie-Jay hurling itself through the air qualifies on both counts. And it’s #FlyDay as well. #birds
A spectacularly long-tailed bird is captured in midair with its wings and feet extended.
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Brennan Mulrooney @langooney.bsky.social · 17/07/2026
@robcrank68.bsky.social says Today's #BirdOfTheDay theme is #Corvidae any of the species will do. Steller’s Jays are common in my local mountains, but they are still always a treat to see. The western population has blue blazes above the bill instead of white. #birds
A dark blue bird with a black, crested head is perched on a sunlit branch.
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Brennan Mulrooney @langooney.bsky.social · 09/07/2026
@robcrank68.bsky.social says Today's #BirdOfTheDay theme is #BathTime, any bird taking a bath. This Ruff caused the rare bird alert to spring to life. When I arrived, the bird was in cleaning mode, and spent a good 20 minutes preening and bathing. #birds #rarebirdalert
A shorebird takes a vigorous bath, water droplets are flying in all directionsA shorebird takes a vigorous bath, water droplets are flying in all directions
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Brennan Mulrooney @langooney.bsky.social · 08/07/2026
@alan678.bsky.social says The #BirdOfTheDay theme: #Lifer Capture/captures of the last new to you bird you’ve seen. My last new bird is the last new species I saw on my first visit to Ireland last summer. A beautiful pair of Little Terns at Potrane Beach. #birds
A pair of tiny terns with black caps and yellow bills fly against a featureless sky
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Brennan Mulrooney @langooney.bsky.social · 07/07/2026
@alan678.bsky.social says Today's #BirdOfTheDay theme is #Orange, any bird with any shade of orange on it. The first species that came to mind was the Orangequit. These little tanagers are endemic to Jamaica. They are entirely dark blue, except for a small orange patch on their throat. #birds
A dark blue bird is perched on a bare branch. There is a small spot of orange on its throat. Light filters through the leaves in the background producing nice bokeh.
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Brennan Mulrooney @langooney.bsky.social · 04/07/2026
@alan678.bsky.social says Today’s #BirdOfTheDay theme is: #WildMotion, Dynamic wildlife behaviour, freezing a second which is full of energy. Seabirds are always in motion, the crashing wave in this shot of a Pink-footed Shearwater makes it a bit more dynamic still. #birds #ECK
A gray and white seabird with a dark tipped, pink bill glides past a cresting wave.
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Brennan Mulrooney @langooney.bsky.social · 02/07/2026
@alan678.bsky.social says Today’s #BirdOfTheDay theme is #QuietReflection any bird paused in thought. Alt theme is #SunriseSunset bird captures taken during either. First we have Razorbill in repose on the cliffs of Cape Saint Mary’s. Second, a Western Gull in front of a smokey sunrise. #birds #ECK
Newfoundlanders call Razorbills “tinkers” because of the way they often tilt their heads skyward as if in deep thought. Wildfire smoke almost completely obscured the rising sun on the morning in Seal Beach, California
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Brennan Mulrooney @langooney.bsky.social · 01/07/2026
@robcrank68.bsky.social says today's #BirdOfTheDay Theme is #RedBeakFeetEyes, any bird with a Red beak, Feet or Eyes Not Feathers. I photographed this Saddle-billed Stork on Kenya’s Maasai Mara grasslands. It was the last day of our 3 weeks in the country. Finished with a flourish! #birds #VENTbird
An outlandish looking black and white stork with a black and red bill, accented by yellow eyes and a yellow saddle. Only females have yellow eyes.An outlandish looking black and white stork with a black and red bill, accented by yellow eyes and a yellow saddle. Only females have yellow eyes.
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Brennan Mulrooney @langooney.bsky.social · 30/06/2026
@alan678.bsky.social says the #BirdOfTheDay theme is #TheArtOfSurvival Birds finding food, avoiding predators, enduring weather or raising young. This Cooper’s Hawk “found” an Acorn Woodpecker just before I arrived on the scene. #birds
An adult Cooper’s Hawk is standing amid a pool of feathers. The head of an Acorn Woodpecker is visible to the left of its talons.
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Brennan Mulrooney @langooney.bsky.social · 29/06/2026
@robcrank68.bsky.social says Today's #BirdOfTheDay theme is #BestOfJune26, whatever bird capture you deem your best from the month of June. Always a hard decision, but this juvenile Red-tailed Hawk inspired me to do some fun editing. Looks like an album cover or maybe a tattoo! 🤔 #birds
A black and white image of a juvenile Red-tailed Hawk soaring overhead with its wings fully extended
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Brennan Mulrooney @langooney.bsky.social · 26/06/2026
@alan678.bsky.social says today’s #BirdOfTheDay theme is #GreyDay any bird with grey in its plumage and the alt. This Five-striped Sparrow seemed to want me to appreciate the gorgeous gray tones of its face and breast. Mission Accomplished. #birds
A sparrow with a gray breast and face is perched on a bare branch. It has black spots on its breast and black and white stripes on its head and throat. This species just barely reaches the United States in extreme southeastern Arizona. I photographed this one in the Santa Rita Mountains
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Brennan Mulrooney @langooney.bsky.social · 25/06/2026
@robcrank68.bsky.social says Today's #BirdOfTheDay theme is #LittleBrownBirds, birds with mainly brown plumage, the Alt theme is #Food, any bird with food in it's beak or feet. This California Towhee (formerly Brown Towhee) is both brown and carrying food - Double Bird Score!
A brown sparrow-like bird is perched on a fence with food in its bill.
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Brennan Mulrooney @langooney.bsky.social · 24/06/2026
@alan678.bsky.social says today's main #BirdOfTheDay theme is #Birds&Buds, any bird capture with flowers in the frame. The alt is #Birds&Bokeh, bird portraits with a blurry background or foreground. I believe this Willow Flycatcher (an endangered species here in California) qualifies for both.
A flycatcher with a green back, whiteish edging to the wing feathers, a thin, broken white eye ring and a long flat bill, is perched on bare branches with pink flowers in the background
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Brennan Mulrooney @langooney.bsky.social · 23/06/2026
@robcrank68.bsky.social says Today's #BirdOfTheDay theme is #Touchdown, birds at the moment of landing, whether on water, land or branches. I caught this female Mallard skidding in for a landing in the pond being my house. #birds
A female mallard skids across the surface of a pond
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Brennan Mulrooney @langooney.bsky.social · 21/06/2026
@robcrank68.bsky.social says: Today's #BirdOfTheDay theme is #RedBeaks, any bird with red on its beak. This Violet-crowned Hummingbird had the feeders at Ramsey Canyon Preserve staked out on a stormy monsoon day. #birds #ECK #digiscoping
A hummingbird is perched on a diagonal branch. Its belly is brilliant white. Its head is a mix of, violet, blue, and green. Its bill is pink with a black tip.
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Brennan Mulrooney @langooney.bsky.social · 19/06/2026
Rob @robcrank68.bsky.social has said: “Today's #BirdOfTheDay theme is #OutForAWalk, any bird captured walking”. This Great Egret chose a most scenic spot for a stroll. #birds
A white wading bird creeps along a cliff edge with waves breaking in the background. Its neck is fully extended.
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Brennan Mulrooney @langooney.bsky.social · 16/06/2026
For today's #BirdOfTheDay, @alan678.bsky.social has chosen #InFlight - White-tailed Kites are one of my favorite in-flight subjects. I just wish I could get more opportunities! #birds
A mostly white raptor with red/orange eyes soars against a blue sky.
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Brennan Mulrooney @langooney.bsky.social · 15/06/2026
@alan678.bsky.social says today's #BirdoftheDay theme is #YourChoice My choice is this picture of my neighborhood Osprey having bass for breakfast on the utility pole in my driveway. #birds
An Osprey glares at the camera while clutching a half eaten bass in its talons.
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