Do snakes have different personality types? Do they really care who they hang out with? Find out what happened when researchers placed groups of 10 snakes into an enclosure with four shelters, and how those findings could aid conservation efforts.

What is it about catnip that makes cats engage joyfully in play, and fall and stumble with ecstasy? Find out why catnip and its recently discovered 'double evolution' tickles the feline brain the way it does and leads kitties to shed their inhibitio...

Take this week's quiz to see how well you remember what you read on Mercola Healthy Pets last week.

For many dogs, off-leash dogs approaching them while they're on a leash can trigger a reactive response, such as barking, lunging and growling. When you take what seems to be the most appropriate corrective action, it can reinforce your dog's fear a...

If you've ever wondered how dogs can track down prey with such accuracy, this discovery by researchers might explain it. Dogs' possession of an 'infrared' sense puts them into a unique group, along with black fire beetles, reptiles and vampire bats.

Smaller sharks are often preyed upon by larger sharks, but when it comes to escaping, their small size may be an advantage. Drone footage shows blacktip sharks fleeing to shallow water when being chased by a much larger great hammerhead.

Why do some dogs - 'centenarian' dogs - live twice as long as the average dog? Meet Kedves and Buski, who lived to 22 and 27 years of age, respectively. What might have influenced their longevity, and what can you do to help your dog live a long, he...

Even in very small amounts, ingestion of this common vitamin on a daily basis may cause harm to liver and red blood cells, and perhaps even your pet's kidneys, lungs and other tissues. Check your pet's raw, cooked, kibble and canned food labels now ...

A disease that strikes rabbits has concerned health authorities and citizens alike in California and several surrounding areas after several black-tailed jackrabbits were found dead. Diagnosed with rabbit hemorrhagic disease, or RHD virus type 2, th...