Thanks, Ravn! Note: the connector is called a 6-pin mini-DIN, and the keyboard and mouse connector pinout charts above show six pins, but some mice and keyboards are made with the (male) connector having only four pins (i.e., with the unconnected pin 2 and pin 6 missing).
Use general age categories to categorize the rabbit. This will give you a good way of starting your assessment. A young rabbit is up to 9 months of age. An adult rabbit is approximately 9 months to 4 - 5 years of age. An elderly rabbit is 4 - 5 years upwards. Some rabbits live to be 10 - 12 years of age.
While all rabbits have different personalities and may mature at different rates, this article aims to give a rough overview of the different lifestages of a rabbit. 0 - 3 months old: Babyhood. Baby rabbits, or 'kits', are born hairless and with closed eyes. They are completely dependent on their mother, who usually feeds them once a day at most.