How to determine age of rabbit?

I just adopted an adult bunny from the local SPCA. Her age is unknown. Any ideas on how to estimate her age?How to determine age of rabbit?
For most animals, it is typically done by looking at the growth of the teeth, but I guess that wouldn't work in this case with a rabbit.





I do not think there is a really accurate way of estimating the age. If you have lots of experience with rabbits, of ask someone that does, you may get some clues based on the shape of the body, skin, eyes, etc.





Also, if the rabbit was spayed, or is going to be spayed, a vet will probably be able to guess based on the condition and size of her organs, but still, it would be rough.How to determine age of rabbit?
you can guess on how the rabbit behaves, the older the rabbit is the more lazy it gets.





mine is 7 years old and doesn't move much, doesn't eat frequently as she used to. loves to lie down even while eating grass.





if its not as lazy as mine then she's younger.





mine other is turning 2 but is still very active.