[Ria P]

We've recently rescued four Robos from a chest of drawers type unit where they lived in shallow, narrow and stacked under bed storage boxes with only a row of drilled holes for ventilation. Luckily we got to them before the recent heatwave. Three have already been successfully rehomed leaving little Kevin who is with me.

I housed him in the Grosvenor which isn't a huge cage and added lots of enrichment. After a couple of days i got worried because everything stayed untouched, food mix, fresh food, mealworms, house, hides, chews, sand, wheel etc. I saw him on the saucer briefly once. He hid in the substrate under the platform where i saw a hole.
My OH is currently in Scotland so its quiet in the house.

I fished him out and checked him over including teeth but couldn't see anything amiss. So i thought it must be the cage and moved him into the fish tank then left him to sleep. I don't normally disturb hamsters unless i'm concerned about them so i took the roof off the house and took him out but still couldn't see anything wrong with him physically.

He then started to sniff around, did a roll in the sand, sat at the front for ages grooming, snoozing, went into a hide and nibbled on millet.
This morning the fresh food had gone and he had been in the food mushroom, there were lots of paw prints in the sand and the saucer had been used.

He is a sad looking little Robo and i have no idea what's going on in his little head.

Reason for this thread is that i'm looking for opinions because there is so much emphasis on large habitats nowadays.

I believe that Kevin needs a smallish tank type habitat like the Duna Multy or a bin cage like the 64l rub to feel comfortable in. Am i seeing this completely wrong?