Start a Devon Rex introduction with scent, not a meeting
A Devon Rex should meet a resident pet's smell days before it meets the pet. Set the new cat up in a single room with litter tray, food, water, scratching post and a warm, enclosed sleeping spot — the Devon Rex's short, fine coat makes it a heat-seeker, and a cosy base room helps it settle. Keep the resident pet out, and let the two animals learn each other through the gap under the door. After a day or two, swap bedding between them so each sleeps with the other's scent, and rub a soft cloth on the new cat's cheeks and present it to the resident, and vice versa.
Feed both pets on opposite sides of the closed door
Door feeding turns the stranger's scent into a predictor of good things for both the Devon Rex and the resident pet. Place meals on either side of the base-room door, starting far enough back that both animals eat relaxed, then move the bowls gradually closer over days. A Devon Rex is typically food-motivated and sociable, so it may progress quickly at this stage — but the resident pet sets the pace, and a resident who will not eat near the door is telling you the distance is still too small. Play sessions near the door work the same way. If either animal fixates, growls continuously or refuses food at a given distance, step back to the previous distance for a day or two rather than pushing through resistance.
First sight of each other should come through a barrier
The Devon Rex's first actual sight of the resident pet should happen through a barrier such as a cracked door with a wedge, a stacked baby gate or a mesh screen. Keep these sessions short and end them while both animals are still calm and interested in treats or play rather than in each other. A little staring and vocalising is normal; hard staring with a low, tense body, lunging at the barrier or either animal refusing to disengage means the session ends and you return to scent work for longer. Only when both pets can eat, play and look away from each other near the barrier is the household ready for the same room.
Supervised meetings, matched to the resident pet's species
First face-to-face meetings between a Devon Rex and a resident pet should be brief, supervised and set up so the cat can leave. Let the Devon Rex enter a room the resident already occupies, with high perches and an open door back to base as escape routes. If the resident is a dog, it stays on a lead, is rewarded for calm indifference, and is never allowed to chase — one chase can set the relationship back weeks. If the resident is another cat, feed both at a distance and let them share the room for minutes, not hours, then separate before either gets tired of the arrangement. A Devon Rex's bold, clownish style can overwhelm a shy resident, so intervene early with a toy redirect when the newcomer gets boisterous. Extend sessions gradually as calm behaviour accumulates.
Knowing the Devon Rex introduction has worked
The introduction is working when both animals eat normally, use their litter and resting places as usual, and can be in shared space without either shadowing the other. Keep the base room available as the Devon Rex's retreat even after free access begins, and continue separating the pets when nobody is home until calm coexistence is well established. Organising who handles each day's scent swaps, door feeds and supervised sessions through KinsLe Care Teams means every step gets done and marked off, instead of the plan stalling whenever one person assumes someone else fed at the door.