The first year of a young Californian rabbit is dominated by growth. This breed reaches a substantial adult size, and a small newcomer that fits in two hands will, within months, need the housing, food volume, and handling technique of a large rabbit. Planning for the adult from the beginning saves a mid-year rebuild of pens, litter trays, and routines.
Size, housing, and supporting a big rabbit
Give a young Californian a pen with room to stretch fully, stand, and take several hops, on flooring with grip and a soft resting area to protect its hocks. Upgrade the litter tray as it grows, because a tray that becomes too small is the most common reason a previously tidy rabbit starts missing. Keep hay piled in and beside the tray, since rabbits like to graze while they toilet, and that habit anchors litter training better than any correction.
Lift by supporting the chest and hindquarters together, with the body held securely against you. A large rabbit that kicks unsupported can injure its back, and a Californian dropped once may resist handling for months. Children can groom and hand-feed at floor level long before they are strong enough to carry this breed safely.
Feeding a fast-growing rabbit
Hay should never run out, because a growing rabbit's gut and teeth both depend on constant fibre. Keep the pellets and hay it arrived on, measure pellets rather than free-feeding them as it matures, and add leafy greens one at a time in small amounts, watching droppings for a day before adding another. Soft, uneaten night droppings stuck to the coat usually mean the diet is richer than the rabbit needs, and the fix is more hay and a review of portions rather than more variety.
Expect appetite to be hearty and honest: a Californian that leaves its hay, produces far fewer droppings, or sits hunched away from the group needs a veterinarian promptly, because gut slowdown in rabbits becomes serious quickly. Weigh or at least body-check monthly, feeling for ribs under a layer of flesh rather than sharp bone or heavy padding.
Coat, points, and seasonal changes
The Californian's white coat with dark ears, nose, feet, and tail needs only occasional gentle brushing, and the dark points can deepen or lighten with temperature and season, which is normal for the breed and not a health concern. Check that the coat underneath stays clean and dry, especially around the rear, and keep the living area dry so a large, low-slung rabbit is not sitting in damp bedding.
During a moult, brush a little more often and watch hay intake, because swallowed loose fur plus a slowing gut is a combination to avoid. A rabbit eating well and producing plenty of dry droppings is handling its moult fine.
Maturity, behaviour, and the settling arc
As hormones arrive later in the first year, expect possible spraying, mounting, chin-rubbing of furniture, and a sharper defence of the pen, even in a previously placid youngster. Discuss neutering timing with a rabbit-savvy veterinarian, because it usually settles territorial behaviour and protects long-term health, and keep handling during the hormonal phase calm and pen-side rather than forcing cuddles.
The reward for steady care is the classic Californian temperament: a big, relaxed rabbit that flops near its people, learns the feeding routine to the minute, and greets the day with real confidence. Noting which greens were introduced, litter habits, and handling progress where everyone can see them prevents doubled treats and missed changes. Keeping that growing record on this Californian's profile in KinsLe with Family Sharing means each helper feeds and handles this rabbit by the same first-year plan.