How long do your average toads live? Specifically, African Bouncing Toads, but im sure they are very similar.

Is there any way to tell their age once they are adults?

Thanks,
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~Crissy
3 Female African Clawed Frogs: Nemo, Casper, Pebbles
2 Male African Clawed Frogs: Amtrak, One-Eyed Jack
3 African Toads: Fiona, Shrek, Pickles
1 Pac Man Frog: Freddie
1 Ragdoll cat: Carman