Wednesday, January 21, 2026

Jan. 21/2026

                                 
Do Cats Have Good Memory?

By Barri J. Morrison, DVM

2/23/2024

                         

Cats are known to be intelligent animals, & their ability to remember things contributes to this. A cat’s memory is linked to their survival skills & helps them to withstand & adapt to their environment.

Do Cats Have Memories?

Studies indicate that cats have both long-term & short-term memory, like dogs & humans. A cat’s memory may work very similarly to that of dogs & humans, as they use past experiences to remember things. Memory originates from an area of a cat’s brain called the hippocampus.

Research shows that 50 cats could remember which bowl contained food even after the cats were removed from the area for 15 minutes. This suggests that cats have short-term working memory, especially when food is involved.

Another study revealed that cats have spatial memory, as proven by their ability to remember what cups they had already eaten from when other half-eaten cups from other cats were present as well.

How Good Is a Cat’s Memory?

Short-term memory, or working memory, in cats can be used to help them solve problems, such as using their innate skills to hunt for food either in the wild or in the home.

A study of animal cognition was conducted in 2006 & showed that cats use their short-term memory to find objects hidden from them. However, this study also demonstrated that as time went on, their ability to find these objects decreased.

Long-term memory in cats recalls things they were exposed to as kittens that continue to influence their behavior & reactions as they mature. This can be illustrated by a cat not liking a certain person or place based on being mistreated in the past by similar factors. A cat who is skittish is using their long-term memory when they are triggered by certain noises, for example.

Episodic memory is a form of long-term memory where cats remember specific events in detail. This allows cats to recall both the “what” & the “where” when investigating scenarios, especially surrounding food.

Episodic memory is a type of associative memory, meaning it allows for the linking of specific events or experiences with contextual details such as time, place, & emotional significance. Food is not only necessary to sustain life, but it also plays a central role in triggering important memories.

How Long Can Cats Hold Memories?

Like most animal species, including humans, cats have a great ability to store memories, but their ability to do so decreases over time as they age.

Although difficult to assess, it’s thought that cats hold on to memories for their lifetime—up to 15–20 years in some cases.

What Do Cats Remember?

Cats have an excellent memory, both short- & long-term, so there’s no need to fret when going away on a trip for the first time. You don’t have to worry that your cat won’t remember you when you come back from your travels, though they might give you the silent treatment when you get home!

While limited studies have been done, they have shown that a cat’s memory is best when attached to a strong emotion. This emotion could be from the love they share with their family or even the role food plays in making their belly happy.

Emotions can also be associated with negative experiences, such as abuse or neglect. In this case, cats adopted years after these negative circumstances might use these bad memories to associate people with pain. This can cause a cat to be less trusting, skittish, or even reactive toward those experiences that jog negative memories.

Painful or stressful events & places can also trigger a memory that causes your cat to not be on their best behavior at the vet’s office. If this is the case, consider finding a veterinarian who uses Fear Free™ techniques to help your cat adjust.

Do Cats Remember Being a Kitten?

Research suggests that cats do remember being a kitten. A study conducted on a group of mother cats & their offspring revealed that kittens remember their mama cat through her voice. A behavioral response was noticed in kittens after hearing their mother’s chirping & meowing, as opposed to when they hear those sounds from a cat who is not their mother.

It is thought that cats remember their littermates for up to 2 years through their scent & from the bond that was made during kittenhood.

Cats who were with their littermates less than 2 to 3 months as kittens often have fewer memories than those cats who were with their littermates until adulthood, around 1 year of age. The longer a cat was with their littermates, the more memories they have with them. This is a demonstration of long-term memory.

Can Cats Remember Good & Bad Memories?

Cats have memories of both good & bad times. These memories are often formed using scent & their associative memory.

There are 2 types of associative memory, episodic & semantic, & cats are known to have the former. Episodic memory aids cats in remembering things like meeting their new family after adoption or recalling events from a previous traumatic experience.

Cat marking, such as with urine or rubbing up on something, leaves their scent around, which can help them remember associated people, places, & things in the future.

Can a Cat’s Memory Affect Their Behavior?

A cat’s memory can affect their behaviors & reactions to people. A cat who has had trauma or abuse in the past will associate that bad feeling with people. They use that association to display bad behaviors even in a new home, with a new family.

These behaviors can range from hiding & not interacting to not eating or being reactive toward people or other animals. You can help your cat to get past this negative association with desensitization training & counterconditioning techniques.

Desensitization involves gradually exposing your cat to the object or event they are fearful of in a nonthreatening manner. Coupled with desensitization, counterconditioning introduces a positive experience—such as offering a tasty treat—when cats are exposed to what frightens them.

Loud noises commonly cause fearful behaviors in cats with negative memories. Showing your cat the vacuum when it's off & putting a treat on top of it can demonstrate to them that the vacuum isn't scary—& even has benefits.

Over time, you can try turning the vacuum on around your cat. Give them cat treats & lots of praise so that they associate positive outcomes with the vacuum & no longer fear it.

How To Support Your Cat's Memory

Giving your cat a vet-recommended, age-appropriate diet will help ensure they maintain proper brain health. Talk to your vet about popular cat food formulas, like Hill's Science Diet, Royal Canin, & Purina Pro Plan.

Do Cats Have Good Memory? | PetMD

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Wednesday, January 14, 2026

Jan. 14/2026

                             

The Cecropia Moth: Art on the Wing

By Jamieson Findlay

July 22/2025

The Cecropia Moth is one of Canada’s most beautiful moths, but that beauty is fleeting — it lives for only about 2 weeks in its adult form.

Cecropia moths are night-loving works of art — & vital to the ecosystem as pollinators & food for predators.

The largest moth species in North America, Cecropia is named after the mythical ruler of Athens, Cecrops. He was said to have a man’s head & torso with a snake’s form below. You can almost see this fanciful being in the beautiful wing markings of the moth. The eyespots & “commas,” if looked at in the right way, hint at a snake’s face. Predators might think twice about tackling that face.

Like all moths, the Cecropia moth goes through several life stages: egg, larva (caterpillar), pupa (chrysalis), & adult (imago). The female lays its eggs on both sides of a leaf from the host plant, which include such trees as oak, beech, cherry, & apple. The eggs hatch into caterpillars which, being jam-packed with protein, are a favourite meal for many birds.

The caterpillars will grow up to 5 inches long & eventually spin silk cocoons (the chrysalis stage). Inside the cocoon, they stay dormant until they are ready to emerge as adults.

The final stage, the adult stage, is fleeting even by insect standards. Adult Cecropia moths last about 2 weeks. They can’t eat during this stage, since they have no digestive system or moveable mouth parts. About the only thing they can do is mate! An adult Cecropia moth is basically a work of art designed to create more works of art.

Populations of Canada’s most endangered species have declined by more than 50% over the last 50 years. 

What’s the difference between a butterfly & a moth?

Both moths & butterflies belong to the order Lepidoptra, but what’s the difference?

Wings: when resting, butterflies generally hold their wings closed, often raised on either side of their body. At rest, moths hold their wings open over their abdomen.

Antennae: butterflies have long, thin antennae with bulb-like tips. Moths have feathery, thick antennae.

Behavior: butterflies tend to be active during the day & moths at night, although there are exceptions.

Moths, to your stations!

A great place for observing Cecropia moths is the Long Point Biosphere Region, a 40-km long sand spit in Norfolk County, Ontario, on the north shore of Lake Erie. Staff there have established moth stations to monitor moth species. These stations, equipped with simple grey boards & lights, attract moths & make it easier to observe them. The primary goal is to monitor the diverse moth species in the region & contribute valuable data to understanding their ecological roles & distribution.

Find out more about the moth observation project through i-Naturalist. Moths in Long Point Biosphere Region · iNaturalist

The Cecropia Moth: Art on the Wing - Nature Canada

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Friday, January 9, 2026

Jan. 7/2026

One Of The Largest Blowfish You Can Own As A Pet Can Live For Over 20 Years

By Adam Symchuk   
April 7/2025 

An aquarium offers a view into another world, inspiring wonder, education, & celebration of nature's beauty. For the determined aquarists, fish can also become a collection of unique species & color morphs to accentuate their aquariums. One choice that's certainly a showstopper is the long-living Mbu pufferfish, also known as the giant pufferfish because of its size.

A native African freshwater species hailing from the Congo River, the Mbu pufferfish can grow to 30 inches long, though many reach a length between 24 & 28 inches. This measurement is double the size of the second-largest freshwater pufferfish, the Fahaka puffer, which can grow to 15 inches. At the same time, the Mbu is unique within the pufferfish family because it's known to inflate its muscles as a flex, commonly known as "practice puffs." For owners, this gives them a brief chance to see a pufferfish in action, as some other species only inflate due to environmental stressors.

In captivity, an Mbu pufferfish can live to be over 20 years old with proper care & consideration. While not boasting the same pet lifespan as the long-living koi fish, a well-cared-for Mbu can become a long-term commitment for a potential owner. Considering the size & longevity of the Mbu, adequate care is essential in allowing it to reach its full potential, meaning this isn't a pet purchase to be taken lightly.
The challenges of caring for a Mbu pufferfish to its full size
To get a Mbu pufferfish to live its longest life & reach its maximum size, it needs a tank that's 8x3x3 feet or larger. This size likely means that fish enthusiasts need to purchase & construct the aquarium at home or build their own fish tank. The Mbu should also be the only one of its kind in any aquarium, & some owners advise keeping them entirely separate from any fish, though you can gauge how they react with others before separating them.

An Mbu can be injured in interactions with fish bigger than it, stingrays, or tank-mates that may go after the same food. Generally, avoiding territorial or aggressive fish will make for a happier, more balanced tank. The puffer is known to be sensitive, & it displays this visually when its regular colors wash out & areas around its face darken. Addressing potential stressors when they appear will help longevity, & an Mbu should never be provoked into puffing up, which results from purposely stressing or scaring the fish.

Feeding your Mbu pufferfish a balanced diet & wearing down its teeth with hard food are essential; this species needs a variety of feed, including high-grade pellets, frozen crayfish or crabs, snails, insects, & earthworms. Other considerations for a healthy environment include maintaining agreeable water values. Ultimately, with love & attention, the Mbu pufferfish can have an impressive lifespan beyond popular pets like cats & dogs & make for a remarkable addition to any collection.

Read More: https://www.cuteness.com/1820447/largest-mbu-puffer-blowfish-own-as-pet-live-to-20-years-old/

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Thursday, January 1, 2026

Dec. 31/2025

                               
Can Bearded Dragons Eat Grapes?

By Angelina Childree, LVT. Reviewed by Maria Zayas, DVM

1/ 9/ 2024

Feeding your bearded dragon properly is important to help prevent health problems & disease. A bearded dragon's dietary needs change throughout life & generally always include insects, vegetables, & fruits. Fruits in particular should make up 5–10% of a bearded dragon’s diet.

If you've ever had a dog, you may know that grapes & raisins can have toxic effects if ingested, but what about your bearded dragon? Can bearded dragons eat grapes?

Are Grapes Good for Bearded Dragons?

Grapes contain over 1,600 compounds, such as potassium, vitamin E, & antioxidants. These components can boost your bearded dragon's immune system & even promote eye health.

Grapes also have a high water content. Many bearded dragons drink water droplets from surfaces like plants & decor rather than drinking out of a bowl, so grapes can help promote hydration.

Not all grapes are created equally, however. Dark red & purple grapes will contain more antioxidants than white & green grapes, making them a more ideal snack for your lizard. While grapes have many health benefits, they shouldn’t be the main source of food for your bearded dragon’s diet due to their high sugar content, which can lead beardies to obesity.

Can Bearded Dragons Be Allergic to Grapes?

While it’s rare for a bearded dragon to be allergic to grapes, it can happen. A bearded dragon having an allergic reaction may begin gasping or flaring their nostrils. If your bearded dragon is exhibiting signs of difficulty breathing, seek veterinary care immediately. 

Can Bearded Dragons Eat Grape Seeds?

When feeding grapes to your bearded dragon, always remove the seeds. Seeds can cause blockages within your bearded dragon's digestive tract, preventing waste from leaving their bodies which can be life-threatening. As a general rule, any fruit or vegetable containing seeds should always have them removed before it’s offered to your bearded dragon.  

Can Bearded Dragons Eat Grape Jelly?

Fruit jelly contains a high amount of sugar &, often, high fructose corn syrup. Even a homemade jam will contain a higher amount of sugar than is recommended for your bearded dragon. It’s best to avoid jelly altogether.

You can puree grapes at home if you don't add other ingredients. Putting pureed fruit on a lick mat can be a fun form of enrichment for your bearded dragon! 

Can Bearded Dragons Eat Wild Grapes?

It can be OK for your bearded dragon to eat wild grapes; however, they may not want to. Wild grapes are much different from those in the grocery store. Wild grapes tend to have thicker skin, which may make it harder for your bearded dragon to consume. Additionally, wild grapes are much more bitter than the domestic ones we are used to, so your bearded dragon may not enjoy their taste.

Wild grapes may contain chemicals & other harmful pesticides. If you do not know the source of the grape, it’s best to avoid offering it. 

Can Bearded Dragons Eat Grape Leaves?

Bearded dragons may enjoy eating grape leaves. Grape leaves can be fed in moderation because they contain a high amount of vitamin A. Bearded dragons can be prone to vitamin A deficiency, which can make them sick. However, grape leaves, just like grapes themselves, should only make up 5–10% of their diet in combination with other varieties of fruits.

How Many Grapes Can a Bearded Dragon Eat?

Fruits are an essential part of a bearded dragon's diet, but they should be, at most, 5–10% of their total diet, or about one to two grapes once or twice a week as a treat. Having a gram scale to portion out your bearded dragon's food appropriately can be helpful.  

While grapes have many health benefits, eating too many can cause digestion issues & lead to obesity. Obesity can be a problem in all reptiles, but bearded dragons are one of the most common species to struggle with it. Saving high-value treats higher in sugar, such as grapes, for physical enrichment can help motivate your bearded dragon & promote exercise.  

How To Safely Feed Your Bearded Dragon Grapes

Wash the grapes thoroughly & remove any seeds. Depending on the size of your bearded dragon & the size of the grape, you may need to chop the fruit into pieces. Foods should be bite-sized to ensure your bearded dragon can safely consume them.

Foods that are too large for your bearded dragon can cause impactions. Impactions can create a blockage within the digestive system, causing little to no material to pass through the tract. Impactions can be fatal, so they are always considered a medical emergency. If your bearded dragon is not eating, defecating as normal, or is having trouble using their hind legs seek veterinary care immediately.

Fresh grapes have more nutritional value than cooking or freezing them. Grapes & other foods should be presented in a bowl, on a dish, or even in an enrichment item, especially if substrate is used in your bearded dragon's habitat. If the substrate is accidentally consumed, it may cause impaction as well.

What Other Fruits Can Bearded Dragons Eat?

Your bearded dragon may enjoy other fruits as well as grapes, such as:

Mangos

Apples

Apricots

Tomatoes

Blueberries

Strawberries

Raspberries

Avoid feeding your bearded dragon citrus fruits, as the acidity can cause gastrointestinal upset.

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Sunday, December 28, 2025

Dec. 24/2025

                             
The Average Lifespan Of A Bowhead Whale Might Surprise You

By Elias Nash   

12/14/ 2025 

The bowhead whale is a treasure trove of fun facts. It can grow up to 65 feet in length & weigh 200,000 pounds, & while that's not quite the largest whale species, it's still among the biggest animals on Earth. Bowheads also have the thickest fat of any animal, with blubber up to a foot & a half thick. The outermost layer of their skin is an inch thick, which is about 25 times thicker than the human epidermis. This insulation allows the bowhead to be the only baleen whale that lives full-time in the Arctic. They also have the largest mouths of any animal & the widest vocal range of any whale. These facts alone paint the picture of one of Earth's most awesome species, & yet, we haven't even gotten to the coolest part. What excites biologists most of all, is the bowhead whale's lifespan, which can eclipse 2 centuries.

Bowhead whales live longer than any other mammals, & are among the longest-living animals on Earth. How do we know this? Fortunately for marine biologists, whales have proteins in the lenses of their eyes that gradually decay over time. The oldest bowhead whale to have its eye analyzed was an unfortunate victim of 20th-century whaling that biologists estimated to be 211 years old. It's quite possible that, as you are reading this, there are bowhead whales in the ocean whose lives overlapped with Thomas Jefferson's. Naturally, the question on everyone's minds is how these whales live so long.

What bowheads can teach us about aging

Many biologists believe that studying the bowhead whale could help us develop anti-aging treatments. The reason that animals die of old age is that DNA undergoes mutations over the course of a life. These mutations can come from specific forces such as diet, disease, & radiation exposure, but they can also occur randomly. Over time, accumulated mutations weaken the genes', causing the body to decay. This decline doesn't happen until after sexual maturity, to ensure animals have a chance to pass on healthy genes to their offspring. Bowheads take a full 25 years to reach sexual maturity, so that decline doesn't even begin for a quarter of a century. Their advantage doesn't stop there, though.

A study published last month in Nature, revealed an incredible new side to bowheads' longevity. These whales have long been noted for having extremely low rates of cancer, which seems to go against logic. A larger body means more cells, so shouldn't they have higher rates of cancer? The study authors set out to answer that question by analyzing cell samples from bowhead whales. They discovered that bowheads have extraordinarily high levels of a protein called CIRBP, which works to repair broken strands of DNA. The secret to their power is that CIRPB production is triggered by low temperatures, & with a life spent in water that's no higher than 2 degrees Celsius, bowhead whales produce 100 times more CIRPB than we humans do.

Read More: https://www.sciencing.com/2051588/average-lifespan-of-bowhead-whale-might-surprise-you/

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Wednesday, December 17, 2025

Dec. 17/2025


Science Says Cats Are One Of The World's Most Invasive Species. Here's Why

By Cori Chapman   

12/20/2024 

It can be easy to forget that the adorable bundle of fur curled up in your lap is actually a prolific hunter. There's a scientific reason that even domesticated cats bring home dead animals when let outside — it's in their nature. It is this natural disposition towards stalking & pursuit, coupled with the feline ability to reproduce quickly, that has made domestic cats one of the most invasive species in the world.

The U.S. Geological Survey (USGS) defines an invasive species as a "nonnative organism (disease, parasite, plant, or animal) that begins to spread or expand its range from the site of its original introduction & that has the potential to cause harm to the environment, the economy, or to human health." The descendants of wild cats, the domestic & feral felines we know today arrived in North America alongside colonists from Europe. Cats kill billions of birds & mammals each year in the United States alone, per Forbes. In fact, a 2016 study conducted by Proceedings of the National Academy of Sciences (PNAS) revealed that felines are responsible for the extinction of approximately 63 species.

                         

Cats have a diet made up of approximately over 2,000 different species, providing a fairly definitive answer in the debate over whether felines are omnivores or carnivores. In 2023, Nature Communications published a study that determined that 347 of these species are endangered or extinct, with the list including birds, reptiles, & small mammals. Though they don't view them as prey, felines can even cause harm to humans.

Feral & outdoor cats are the main problem

Cats, especially those of the feral variety, can be detrimental to human health through the transmission of rabies or toxoplasmosis, a parasitic infection that result from exposure to cat feces (though this is primarily only a concern if the feline in question has eaten infected raw meat). While you likely don't have to worry about getting toxoplasmosis from scooping the litter box of your strictly indoor cat, indoor-outdoor felines could be carriers. Meanwhile, feral cats may choose to poop just about anywhere.

To add to this, unaltered outdoor cats reproduce at seemingly lightning speed. Shelters are often overwhelmed because of the constant influx of stray or unwanted felines, hence the term "kitten season," which ramps up as the weather turns warm (or remains consistent all year in more temperate climates). Feral cats typically aren't spayed or neutered, & therefore contribute to the rapid increase in number. In fact, one female cat can account for up to 180 kittens if not spayed (per Forbes). 

While the realization that felines are an invasive species might be distressing, kitty lovers can take key steps to help minimize the impact of cats on their local ecosystem. For instance, programs such as trap-neuter-return (TNR), a potentially life-saving alternative to kill shelters, seek to control the feral cat population by preventing more litters. While this approach may assist in addressing the population aspect, felines still contribute to the extinction of other species. The best way to combat their invasive nature it get your own cats spayed or neutered & keep them indoors. This will also give you the strongest chance of getting to spend as much time with your beloved pet as possible, as indoor cats tend to live for a decade or more longer than their outdoor counterparts, according to University of California-Davis (via PetMD).

Read More: https://www.cuteness.com/1739792/why-cats-among-worlds-most-invasive-species/

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