the picture of cute naked rat is cool both male and female. its sad that this species doesn't have biological age thought they gOt many interesting and unique because of their extra-ordinary features/qualities.
its really a nice superb species among all other mammals of the world which has huge remarkable feature which they got naturally..once again a great post from you :)
Why do you think it's sad that they don't have a biological age? I have been thinking that it must be very nice to not grow old at all :)
Yeah! you're right