Jarvis weighed 400g on day 2 and wears a yellow collar.

Jarvis end of week 1. Has wrigged out of his collar already. Very noisy. Weighs 730g.
Jarvis aged 3 weeks and weighing 1050g
Jarvis at 4 weeks weighing 1400g
Jarvis at 6 weeks. He’s one of the bigger ones and is very inquisitive. He uses his size and his large paws to move everyone out of the way at feeding time.
Jarvis at 5 weeks.