The surest sign a Californian rabbit is relaxed around other animals is how thoroughly she ignores them. Californians are a large, phlegmatic breed, and a comfortable one carries on with the important business of hay and naps while a dog watches through a gate or a cat crosses the room. Relaxation here is not friendliness — it is the absence of vigilance, and it shows in a rabbit who eats, grooms, and sleeps on a normal schedule despite an audience.
Eating and flopping in company
Prey animals do not eat exposed meals or sleep on their sides near something they fear. A Californian who pulls hay strand by strand while another animal is nearby, or who rolls into a full flop with her feet kicked out and her pale body stretched long, has judged the situation safe. Watch her ears while she does it: a relaxed Californian carries them in an easy, neutral set, not rotated to track the other animal's every movement. Her red eyes stay soft, she blinks normally, and when she moves she travels in curves and detours rather than freezing, darting, or hugging the walls.
Interest without intensity
Some attention is fine and even healthy. A Californian may approach a barrier, touch noses briefly with a rabbit on the other side, then hop away to do something else — that investigate-and-leave pattern is relaxed curiosity. The picture changes when curiosity hardens into fixation: sitting rigid and staring, lunging at the barrier, grunting, or thumping repeatedly at the other animal all say she feels challenged or threatened. With dogs, also read the dog; a rabbit can be perfectly calm right up until a herding stare or a sudden lunge rewrites the situation, which is why her relaxation never makes an unsupervised meeting safe.
What relaxation looks like with different species
With another rabbit, a relaxed Californian often settles parallel to her companion along a shared fence line, sometimes grooming at the same time — companionable mirroring rather than interaction. With cats, comfort looks like mutual indifference, both animals choosing separate resting spots. With dogs, the healthiest sign is boredom on both sides of the gate: the Californian grazes, the dog looks elsewhere. In every pairing, a rabbit who keeps choosing to rest near the barrier, rather than retreating to the far corner of her space, is voting that the neighbours are fine. Her size sharpens the signal, too: a Californian's flop is a full-body commitment of considerable weight, impossible to perform halfway, so when she rolls over within sight of the other animal there is no ambiguity left to interpret.
Stress signs that end the session
End any meeting, calmly and without drama, if the Californian starts thumping in sustained bursts, stops eating, hides and refuses to come out, or shows flattened ears and a tense, crouched stillness. Repeated stress around one particular animal is information, not a training failure — some pairings should simply stay separated permanently. Note which animals she settles near and which she never does, and share those notes with anyone supervising her: KinsLe's Circle of Love connects your household with nearby pet lovers on free accounts, building the local circle of experienced people who can help supervise introductions and watch out for her.