Quote:
Originally Posted by yellowhammer  Yup, both common lizards, nice photos too  The second one is a gravid female full of young & about to drop. Keep an eye open for the tiny black youngsters over the next few weeks 
As a rule of thumb, a prominent black line along the back means that an individual is probably female, but common lizards are so variable it's not guaranteed. |
I hadn't realised that a black line along the back might indicate the female. Since the same is true of slow-worms is this a more general feature of lizards?