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HOME Meowing Questions Why Do Cats Jump Sideways?

Why Do Cats Jump Sideways?

Cats are natural acrobats; able to jump many times their height, move at blurring speeds, and pound for pound are as tough as nails. Out of all of the things they can do, why do cats jump sideways?

Cats jump sideways when they’re startled – a reflex that acts like a jumpstart to a fight or flight response. They also jump sideways when playing- often when playing with another cat or kitten. The excitement of play causes this burst of energy.

Other behaviors will accompany a sideways jump immediately after or just before the launch. The corresponding behaviors will help you to determine whether the cat jumped from being startled, out of play, or as an indicator of aggression.

What do People Mean by a Cat Jumping Sideways?

When something happens, like a loud noise, or a friendly fellow kitten playfully charges toward another, the cat or kitten will often spring to its feet and catch air doing so.

In most circumstances, they jump either straight up or sideways, in the opposite direction of whatever caused them to jump. Sudden noise or quick action can create this response.

Why do Cats Jump Sideways When Startled?

dark cat jumping sideways

For owners of a single adult cat, this may be the only reason you catch your cat jumping sideways. Though toys can at times cause a cat to jump sideways, it’s not the norm.

Cats are incredibly alert creatures, with few exceptions. They like to be aware of everything that is going on around them or even remain aware of what’s going on in the entirety of the home.

When something is new or out of the usual order, you can rest assured that the cat will take notice. Sometimes inspecting something new to the home can startle a cat enough to take the sideways leap, if it moves suddenly or smells suspicious.

Cats are always on their toes, this is mainly due to their instinct to be ready to either pounce or flee, but some cats are just nervous by nature. The more nervously tempered the cat is, the more often you might catch it being startled by something.

When cats jump sideways from being startled, it’s really no different from how we respond to being startled. Haven’t you ever heard the term “being jumpy,” or instantly recoil from a jump scare?

They’re called jump scares because our reaction to them is typically a jump. It’s the same behavior as we’d see in a jumping cat due to being startled.

But we’re not nimble enough to catch the kind of air that a cat would. Most of us wind up looking like we’re being electrocuted while we’re trying to keep our hearts from thudding through our chests.

Why do Cats Jump Sideways when Playing?

cat jumping sideways

A cat that jumps sideways when playing is releasing built-up tension or energy. It doesn’t happen suddenly from an otherwise peaceful state as we’d find under the “being startled” category.

Cats that are playing with each other get extremely excited because they get to practice some attack and defense moves that come naturally. Even though they’re instinctively preparing to be able to defend themselves or launch an attack against a rival, kittens or playful cats only care about the fun they’re having.

When two cats are playing, the scenario that prompts a sideways jump will be as follows.

The Attacker vs. the Victim

a cat jumping away from the other cat

Both cats are aware that they’re playing with each other, but one gives the other the slip and tries to do a sneak attack. As the “attacker” cat is in speeding to the “victim,” the victim takes notice, gets a sudden burst of energy, and jumps sideways away from the attacker.

Even in mid-air, the cat or kitten who has the victim role will try to respond with a whap or two before hitting the ground. And if this act of evasion is successful, it will hit the ground running, causing the other to chase.

Now, if the attacker anticipates the jump, it may decide to leap forward and clutch the victim while it’s still in the air. From there they’ll latch on to each other, biting and kicking, but not enough to cause any real harm.

If this is going on early in their time of play, one will get up and take off after a few moments of struggle, causing the other to chase. If it happens after a while of playtime, there’s a good chance that as they mellow out, they wind up crashing into a nap right where they fell.

Why do Cats Jump Sideways when they’re Being Aggressive?

a cat jumping away sideways

What we find the kittens or playful cats doing in play can be put on display aggressively with angry or competing cats. After all, it’s what they grew up preparing for.

However, they do a special little sideways hop when they’re angry or immediately threatened. This little sideways hop is usually the result of a cat getting its fur up and quickly arching its back.

To arch its back properly, its feet need to get just a little closer together. This can happen fast enough to cause the cat to catch a little air. They aren’t doing this due to something coming at them as they would mid-fight. But rather when facing a threat, or even being the antagonist staring down an opponent in close proximity.

Often in this position, they’ll curve their bodies with their back arched, fur on end, and tails puffed out. This is when you would hear all of the growls and the other unsettling warning noises that sound like a siren with dying batteries.

Only if nobody backs down will they move forward with a fight, which will set the stage for them to use all of their acrobatic and aerial maneuvering skills- along with all of the weapons they’ve been practicing with.

Final Thoughts

a cat jumping away sideways from the sofa

As I like to remind everyone, cats are predators. They spend the entirety of their upbringing practicing to kill things or prevent things from killing them. The jump sideways is every bit as much of a tactical maneuver as any other skill they learn.

However, it can be funny to watch a cat do the jump sideways if it’s playing, or even being startled. To us, it’s funny because we don’t get to catch them doing it that often. To the cat, well, it’s just another fancy move that they instinctively pull from their bag of tricks.