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Cal Falcons

@calfalcons.bsky.social
796 followers 4 following 86 posts

We are Annie and Lou, the Peregrine Falcons living on the Campanile at UC Berkeley! Check us out at calfalcons.berkeley.edu

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Cal Falcons @calfalcons.bsky.social · 01/04/2026
We were very excited to see two lovebirds show up to our currently vacant box and start making googly eyes at each other. But, on closer inspection, it appears that we're the victim of a truly fowl April Fools joke. The culprits quickly flew the coop and are currently at large.
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Cal Falcons @calfalcons.bsky.social · 06/03/2026
An update from the scientists at the Santa Cruz Predatory Bird Research Group on Avian Influenza in the Bay Area: bit.ly/SFBirdFlu Photo: Bruce Lyon
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Cal Falcons @calfalcons.bsky.social · 29/01/2026
Last weekend, we had a juvenile falcon visiting the tower for a few days. Although we have not seen him since, it is a good sign that there are birds looking for territories. Hopefully this is an indication that this population is recovering from Avian Flu. Photos: moon_rabbit_rising on Instagram
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Cal Falcons @calfalcons.bsky.social · 06/06/2025
We had an unknown female visiting the tower this afternoon. Hopefully we'll start to see more exploration of the Campanile soon!
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Cal Falcons @calfalcons.bsky.social · 11/05/2025
This is the first year since Cal Falcons started up that we haven't been celebrating by watching Annie stuff bloody hunks of pigeon meat into the ravenous gullets of a pile of fluffy falcon chicks. But even though we're missing our beloved Annie this year, we wanted to honor all the moms out there.
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Cal Falcons @calfalcons.bsky.social · 25/04/2025
Due to the use of DDT and other pesticides, there were fewer than 100 Peregrine Falcons in the lower 48 United States in the 1970s. Bald Eagles had dropped to fewer than 1000 individuals across the same area. Thanks to the effects of science-based environmental regulations such as...
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Cal Falcons @calfalcons.bsky.social · 14/03/2025
UC Berkeley researchers just published a paper about conservation funding featuring Annie as a case study! They found that messaging can have a dramatic effect on donor sentiment, and that Annie's story led to positive associations.
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Cal Falcons @calfalcons.bsky.social · 10/03/2025
What have Berkeley's falcons meant to you? Gretchen Kell from UC Berkeley's news office is looking for personal anecdotes with specific examples of how Annie and company have impacted your life/health/awareness, during the pandemic or any time. Email her at gkell@berkeley.edu
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Cal Falcons @calfalcons.bsky.social · 06/03/2025
We just had a new falcon visiting the Campanile for 15 minutes or so. Fingers crossed it will continue to hang out and get to know the area! Based on head, bill shape, and skin and feather coloration, it appears to be a new bird. #peregrinefalcon #urbanwildlife #cal #berkeley #gobears
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Reposted by Cal Falcons
UC Berkeley @ucberkeleyofficial.bsky.social · 24/02/2025
As avian flu continues to kill birds worldwide, @calfalcons.bsky.social says the disease "is hitting peregrines very hard right now,” and is likely why UC Berkeley’s resident falcon, Annie, and her mate, Archie, haven’t been seen on campus in nearly two months. news.berkeley.edu/2025/02/24/u...
news.berkeley.edu
UC Berkeley falcons Annie and Archie are missing. Is avian flu the cause? - Berkeley News
Cal Falcons says it's likely, as the pair hasn't been seen in nearly two months, and the disease "is hitting peregrines very hard right now."
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Cal Falcons @calfalcons.bsky.social · 24/02/2025
Hi everyone, All three cameras are back in operation, including the upgraded South/West camera. We also wanted to take a moment to talk about how quiet things have been on this site and also at the Campanile. Neither Annie nor Archie has been seen at the Campanile since early January.
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Cal Falcons @calfalcons.bsky.social · 20/12/2024
Winter season affords us an opportunity to perform maintenance and upgrades. This year, we upgraded our south/west camera! It should provide sharper images and fix some focus issues that we have had. Huge thank you to Peter Sharpe at the Institute for Wildlife Studies for lending his expertise!
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Cal Falcons @calfalcons.bsky.social · 09/12/2024
CA Live covering Annie and co.! www.nbclosangeles.com/california-l...
nbclosangeles.com
Meet the peregrine falcons that have made UC Berkeley their home!
California Live correspondent and proud alum of UC Berkeley, Blanche Shaheen, shares how some peregrine falcons started nesting on the university grounds, and captured the hearts of the staff and stud...
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Cal Falcons @calfalcons.bsky.social · 05/12/2024
We received the final pathology report from UC Davis. Nox died due to a bacterial infection and pneumonia. We wanted to send our heartfelt thank you to all the veterinarians and wildlife care volunteers that assisted along Nox's journey. We'll miss him. news.berkeley.edu/2024/12/05/n...
news.berkeley.edu
Nox the falcon died of pneumonia, says UC Davis veterinary pathology report - Berkeley News
UC Berkeley's youngest falcon died Oct. 23 after being released into the wild just three days earlier.
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Cal Falcons @calfalcons.bsky.social · 04/12/2024
Last day to get your orders in for our winter fundraiser!
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Cal Falcons @calfalcons.bsky.social · 29/11/2024
5 days left in our Winter Fundraiser!!! Are you looking for a gift this holiday season for a bird fan in your life? We’ve got you covered! All proceeds will go o education, outreach, and streaming! Check out all our designs and styles here: www.customink.com/fundraising/...
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Cal Falcons @calfalcons.bsky.social · 19/11/2024
Looking for a gift for the bird lover in your life? Check out our winter fundraiser! We have three awesome styles available! All proceeds will go towards streaming, outreach, and research. bit.ly/cal_falcons_...
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Cal Falcons @calfalcons.bsky.social · 05/11/2024
Annie Falcon says: Don't forget to Vote! #electionday #getoutthevote
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Cal Falcons @calfalcons.bsky.social · 25/10/2024
news.berkeley.edu/2024/10/24/f...
news.berkeley.edu
Falcon fans mourn and remember Nox, UC Berkeley's youngest peregrine - Berkeley News
Nox's death on Wednesday is being met with tears and tributes, and with gratitude for the experts who tried to save him.
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Cal Falcons @calfalcons.bsky.social · 25/10/2024
At the Campanile…
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Cal Falcons @calfalcons.bsky.social · 24/10/2024
Thread: Annie has never successfully hatched all four eggs in any year we've monitored her. There's always been an egg that didn't make it. Nox was the exception to that: a tiny little bundle of fluff that hatched out of his egg as hundreds of people watched live on BAMPFA's big screen
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Cal Falcons @calfalcons.bsky.social · 24/10/2024
We are deeply saddened to receive the news from UC Davis that Nox passed away last night. They will be performing a post-mortem to determine the cause of death, which is still unknown. We will be posting an in memoriam a little later today when we have time to honor Nox properly.
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Cal Falcons @calfalcons.bsky.social · 23/10/2024
Nox is currently in stable condition following a blood transfusion. More details here: news.berkeley.edu/2024/10/23/n...
news.berkeley.edu
Nox the UC Berkeley falcon returns to UC Davis for hospitalization - Berkeley News
Found Monday in Richmond after being released into the wild last Friday, the juvenile is stable after a blood transfusion.
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Cal Falcons @calfalcons.bsky.social · 23/10/2024
Hi all, Nox is currently under care for an unknown ailment. Veterinarians are working hard to determine what is affecting him and how to best treat him. Please be patient as we wait for more details.
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Cal Falcons @calfalcons.bsky.social · 22/10/2024
Very quick note: please do not call California Raptor Center or other organizations for updates on Nox. We will update you on his status when we have more information.
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Cal Falcons @calfalcons.bsky.social · 22/10/2024
Nox ended up on the ground this afternoon and has been recovered by Bay Raptor Rescue. There do not appear to be any major injuries in an initial examination. We’re not sure what happened, but he will be getting a healthy portion of quail tonight and a thorough examination tomorrow.
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Cal Falcons @calfalcons.bsky.social · 21/10/2024
Nox has completed his rehabilitation and has been released (with a fancy new backpack!). With his new GPS tag, we'll be able to peak into one of the big mystery of: where juvenile birds go after they leave their parents' territories. More details here: news.berkeley.edu/2024/10/21/n...
news.berkeley.edu
Nox the UC Berkeley falcon flies again, his broken wing mended - Berkeley News
Surgery and rehab at UC Davis, plus a month with a falconer, prepared him for release on Friday.
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Cal Falcons @calfalcons.bsky.social · 22/03/2024
A drone was observed flying above the Campanile today. Annie remained in the nest incubating the eggs, but Archie flew out to investigate and defend the site. Thankfully, Archie returned unharmed. (Image credit: Bridget Ahern, moon_rabbit_rising on Instagram)
A drone flying above the lantern of the Campanile.A male peregrine falcon in flight.
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Cal Falcons @calfalcons.bsky.social · 18/03/2024
The C.F.M. Committee is happy to announce 2024's March Meme Madness! Give us your best falcon memes and we'll create a bracket to determine the best meme of the year! Some meme templates can be found here: bit.ly/Falcon_Memes But feel free to use your favorite images.
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Cal Falcons @calfalcons.bsky.social · 18/03/2024
And then there were two! 2nd egg laid around 3:35am, a little ahead of schedule!
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Cal Falcons @calfalcons.bsky.social · 16/03/2024
We have our first egg of the year! Based on previous years, we’re looking at an expected hatch date of 4/23
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Cal Falcons @calfalcons.bsky.social · 13/03/2024
It's 7pm. Do you know where your falcon is? Looks like Annie may be spending the night in the nest box for the first time this year. Pretty good sign that eggs are coming soon!
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Cal Falcons @calfalcons.bsky.social · 12/03/2024
In homage to the classic Robert McCloskey children's book, we are excited to present this year's shirt: Make way for Falcons! Proceeds will go towards streaming, research, education, and outreach Huge thank you to Lynn and Ellen Schofield for the design bit.ly/2024_Shirt
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Cal Falcons @calfalcons.bsky.social · 06/03/2024
Archie delivering a Starling to Annie as we all wait with bated breath for eggs. youtu.be/gFz97oPwBkk
youtu.be
3-6-24 Archie Delivers a Starling
Welcome to the livestream of UC Berkeley's resident Peregrine Falcons! Learn more at: calfalcons.berkeley.eduAccessibility Information: This video does not u...
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Cal Falcons @calfalcons.bsky.social · 26/02/2024
As female birds start to work on producing eggs, they'll spend a lot more time resting and relaxing in or near the nest box. As we get closer and closer to laying, we'll be seeing a lot more of Annie hanging out napping. Previous years first egg dates are:
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Cal Falcons @calfalcons.bsky.social · 19/02/2024
Annie and New Guy sitting on a keep B-E-A-K-I-N-G First comes courtship Then copulation Then comes the eggs on the pile of gravel! Get your final votes in for New Guy's name!!! bit.ly/NewGuy2024 2-19-24 Annie & New Male Copulation (youtube.com)
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Cal Falcons @calfalcons.bsky.social · 17/02/2024
Does this look like an Archie? A Morgan? A Mulford? Or a Galen? Get your vote in now! bit.ly/NewGuy2024 Photos by the incredible moon_rabbit_rising on Instagram
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Cal Falcons @calfalcons.bsky.social · 16/02/2024
After over 200 suggestions and hundreds of votes, we have our four finalists: Archie, after Archie Williams Galen, after John Galen Howard Morgan, after Julia Morgan and Mulford, after Walter Mulford Vote for the winner here before Monday at 5pm: bit.ly/NewGuy2024
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Cal Falcons @calfalcons.bsky.social · 15/02/2024
New Guy showing off an absolutely monstrous crop. The crop is the organ in a bird that stores food prior to entering the stomach. A full crop can be seen as a bulge in the upper chest. In the case of New Guy, There might be a small ostrich in there!
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Cal Falcons @calfalcons.bsky.social · 15/02/2024
Hot of the presses on #ValentinesDay  comes Cal Falcons' romance novel: Queen Takes King. In this torrid adventure, Queen Annie sets sight on a mysterious stranger. Who is this tiercel who has captured Annie's heart? His background is a mystery: we don't even know his name!
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Cal Falcons @calfalcons.bsky.social · 13/02/2024
Annie's new beau seems to be settling in at the Campanile. We'll be looking for suggestions for his name starting tomorrow!
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Cal Falcons @calfalcons.bsky.social · 31/01/2024
"I don't mean to bug you, but I'm kinda new around here. Do you guys ever y'know... let us hang out inside or something when it rains?" #captionthis #peregrinewildlife #cal #gobears #urbanwildlife #wildlife
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Cal Falcons @calfalcons.bsky.social · 30/01/2024
news.berkeley.edu/2024/01/30/n...
news.berkeley.edu
Nesting season is here, with a new mate for Annie, UC Berkeley's longtime peregrine falcon
Atop UC Berkeley’s Campanile, it’s nesting season again for Annie, the campus’s longtime female peregrine falcon. But her mate, Lou, is missing. The two had been a pair for about a year...
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Cal Falcons @calfalcons.bsky.social · 30/01/2024
Well, this year's breeding season is starting off with a bang! It appears that we may have a new male at the Campanile. -Lou was last seen at the tower in early January. -In the past couple of days, we've noticed that Annie has been "chatting" with someone offscreen.
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Cal Falcons @calfalcons.bsky.social · 01/01/2024
Hello, Blue Sky! Annie and Lou, the resident Peregrine Falcons living at UC Berkeley wanted to wish you a Happy New Year! We're already starting to see the first courtship behaviors. Look for courtship to ramp up over the next two months with laying at the start of March! youtu.be/rUIGe7unroo
youtu.be
1-1-24 Happy New Year from Annie and Lou!
Welcome to the livestream of UC Berkeley's resident Peregrine Falcons! Learn more at: calfalcons.berkeley.eduAccessibility Information: This video does not u...
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