CalCat California's Home for Feline Science & Care

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California's Home for Feline Science & Care

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The Thief That Looks Like Old Age: Catching Hyperthyroidism Before It Steals Your Senior Cat's Health
Feline Science & Conservation

The Thief That Looks Like Old Age: Catching Hyperthyroidism Before It Steals Your Senior Cat's Health

Millions of California households have senior cats who are quietly losing weight, sleeping too much, and drinking more water than usual — and their owners are chalking it up to getting old. But one of the most treatable conditions in feline medicine is hiding inside those symptoms, and California vets are fighting to catch it before it becomes a crisis.
Good Boys Learn From the Cat: How Rescue Cats Are Becoming Secret Weapons for California's Search-and-Rescue Dog Teams
Cat Safety & Emergency Preparedness

Good Boys Learn From the Cat: How Rescue Cats Are Becoming Secret Weapons for California's Search-and-Rescue Dog Teams

Before a search-and-rescue dog can find a missing child in the Sierra Nevada foothills, it has to learn to stay calm around one very unimpressed cat. Across California, rescue cats are playing a quiet but critical role in building the focus and restraint that make working dogs effective — and getting second chances in the process.
Picked Last: The Behavioral Economics of Why California's Easiest Cats Keep Getting Passed Over
The Shelter Waiting Game

Picked Last: The Behavioral Economics of Why California's Easiest Cats Keep Getting Passed Over

California shelters are full of calm, healthy, perfectly matched cats who leave on a gurney instead of a leash. New research into adopter psychology reveals the counterintuitive decisions driving this crisis — and what a growing number of California rescues are doing to flip the script.
Hidden in Plain Sight: Why the Cats Most Ready for a Home Keep Getting Left Behind
The Shelter Waiting Game

Hidden in Plain Sight: Why the Cats Most Ready for a Home Keep Getting Left Behind

Some of the calmest, most affectionate cats in California shelters are also the ones nobody picks. Research on human decision-making during adoptions reveals a frustrating gap between what people think they want and what actually makes a great companion — and California shelters are starting to close it.
Failing the Test Before the Test Even Starts: How Shelter Behavior Assessments Are Getting California Cats Killed
The Shelter Waiting Game

Failing the Test Before the Test Even Starts: How Shelter Behavior Assessments Are Getting California Cats Killed

Standardized behavioral evaluations were designed to protect adopters and animals alike — but mounting evidence suggests they're doing the opposite for cats. A growing chorus of California shelter behaviorists says the tools we're using to judge adoptability are built for dogs, not felines, and the consequences are deadly.
Wired for Danger: The Neuroscience Behind Why Your Rescue Cat Still Can't Fully Trust You
The Shelter Waiting Game

Wired for Danger: The Neuroscience Behind Why Your Rescue Cat Still Can't Fully Trust You

You've given your adopted cat a soft bed, regular meals, and all the patience in the world — so why does she still flinch at every sound and bolt under the couch when someone sneezes? The answer lives deep inside her nervous system, and it has nothing to do with how much she loves you. California behaviorists and vets are uncovering what it actually takes to help traumatized rescue cats heal from the inside out.
All the Right Resources, All the Wrong Outcomes: Why California Cats Are Still Dying From Diseases We Know How to Fix
Feline Science & Conservation

All the Right Resources, All the Wrong Outcomes: Why California Cats Are Still Dying From Diseases We Know How to Fix

California leads the country in veterinary innovation and animal welfare policy — so why are so many house cats still dying from kidney disease, dental infections, and diabetes that could have been caught early? The answer has less to do with access than with human behavior, and the science behind it is both fascinating and frustrating.
Your Cat Has a Face Like No Other — and California Shelters Are Finally Using That to Bring Them Home
Feline Science & Conservation

Your Cat Has a Face Like No Other — and California Shelters Are Finally Using That to Bring Them Home

Forget microchips and collar tags — California animal welfare organizations are piloting facial recognition technology that can identify individual cats by their whisker patterns, nose prints, and facial geometry. The science is real, the results are promising, and it might just be the missing piece in the lost-cat puzzle.
When the Sky Turns Orange: What Wildfire Smoke Is Really Doing to Your Cat's Lungs
Cat Safety & Emergency Preparedness

When the Sky Turns Orange: What Wildfire Smoke Is Really Doing to Your Cat's Lungs

California's fire seasons are getting longer, smokier, and harder to escape — even indoors. Your cat's respiratory system is taking a hit you might not even notice until things get serious. Here's what California vets want you to know before the next plume rolls in.
Sunshine State, Confused Cat: What California's Famously Mild Weather Is Actually Doing to Your Indoor Feline
Feline Science & Conservation

Sunshine State, Confused Cat: What California's Famously Mild Weather Is Actually Doing to Your Indoor Feline

California's enviable weather is a dream for humans, but for indoor cats, that endless sameness may be quietly disrupting the biological rhythms their bodies depend on. From scrambled circadian clocks to stalled vitamin D synthesis, the Golden State's climate comes with some unexpected feline fine print — and there's real science behind it.
Still Doesn't Mean Safe: The Hidden Science of Why Stressed Cats Shut Down
Feline Science & Conservation

Still Doesn't Mean Safe: The Hidden Science of Why Stressed Cats Shut Down

When your cat goes completely motionless at the vet's office or during a thunderstorm, it's easy to mistake that eerie stillness for calm. But California animal behaviorists say that frozen cat is often anything but relaxed — and misreading that signal could be quietly making things worse.
Tiny Organisms, Big Results: How California Researchers Are Rethinking Cat Health From the Inside Out
Feline Science & Conservation

Tiny Organisms, Big Results: How California Researchers Are Rethinking Cat Health From the Inside Out

The trillions of bacteria living in your cat's gut are turning out to be one of the most important factors in their overall health — and California scientists are leading the charge to figure out exactly why. From digestive disorders to immune function, the feline microbiome is reshaping how vets approach treatment. Here's what the research actually says, and what cat owners should know before reaching for a probiotic supplement.
Stir-Crazy and Suffering: What Boredom Actually Does to Your Indoor Cat — and How California Vets Are Fighting Back
Feline Science & Conservation

Stir-Crazy and Suffering: What Boredom Actually Does to Your Indoor Cat — and How California Vets Are Fighting Back

Indoor cats live longer, safer lives — but that safety comes with a hidden cost. Without enough mental and physical stimulation, even the most laid-back house cat can spiral into anxiety, aggression, and chronic stress. California veterinary behaviorists are rethinking how we design our cats' environments, and the solutions go way beyond a feather wand.
Every Breath They Take: Why Your Cat's Lungs Are Fighting a Losing Battle With Your Indoor Air
Cat Safety & Emergency Preparedness

Every Breath They Take: Why Your Cat's Lungs Are Fighting a Losing Battle With Your Indoor Air

Cats breathe differently than we do — and that difference makes them quietly vulnerable to the air inside your home in ways most owners never consider. From wildfire smoke seeping through window seals to scented candles and mold spores, California homes are full of invisible threats. Here's what the science says, and what you can actually do about it.
Built for the Dark: The Remarkable Eye Science That Makes Cats Deadly After Sunset
Feline Science & Conservation

Built for the Dark: The Remarkable Eye Science That Makes Cats Deadly After Sunset

Your cat isn't stumbling around at 3 AM — they're thriving in conditions that would leave you completely blind. The science behind feline night vision is genuinely wild, and understanding it can make your home safer and more enriching for your indoor cat.
The Pill Problem: What's Really Going On When Your Cat Spits Out Every Medication You Give Them
Feline Science & Conservation

The Pill Problem: What's Really Going On When Your Cat Spits Out Every Medication You Give Them

Cats are notoriously terrible patients, and there's deep biology behind why. From taste receptor quirks to stress-triggered refusal, the science of feline medication resistance is genuinely fascinating — and California vets are finally finding ways around it.
Your Cat Won't Make You Lose Your Mind: What the Science on Toxoplasma Actually Says
Feline Science & Conservation

Your Cat Won't Make You Lose Your Mind: What the Science on Toxoplasma Actually Says

For decades, headlines have gleefully blamed cats for everything from personality changes to psychiatric disorders. But what does peer-reviewed research — including work coming out of California's own universities — actually say about toxoplasma gondii? Spoiler: it's a lot more boring than the internet wants you to believe.
3 AM and Fully Unhinged: The Real Science Behind Your Cat's Nighttime Chaos
Feline Science & Conservation

3 AM and Fully Unhinged: The Real Science Behind Your Cat's Nighttime Chaos

Your cat isn't broken — they're just running ancient predator software at an inconvenient hour. The chaotic sprinting, wall-bouncing, and toy-murdering that erupts in the middle of the night is rooted in millions of years of feline evolution, and science is finally explaining exactly why it happens. Here's what's going on inside your cat's brain when the lights go out.
Almost Always Female: The Weird Genetics Behind Calicos and What It Means for California Shelters
Feline Science & Conservation

Almost Always Female: The Weird Genetics Behind Calicos and What It Means for California Shelters

Calico and tortoiseshell cats are nearly always female — and it's not a coincidence. It's a chromosomal quirk baked into mammalian biology, and it has real consequences for how California's shelters categorize, market, and adopt out thousands of cats every year.
Two Colors, One Cat, Zero Y Chromosomes: The Genetics Behind California's Rarest Coat Pattern
Feline Science & Conservation

Two Colors, One Cat, Zero Y Chromosomes: The Genetics Behind California's Rarest Coat Pattern

Calico and tortoiseshell cats are some of the most visually stunning animals in any California shelter — and almost every single one of them is female. It's not a coincidence. It's chromosomes. Here's the surprisingly wild science behind why these patchwork beauties are genetically one-of-a-kind.