Lizard Canaries are shown in different classes according to which category they fall in to. It is not as difficult as it appears. Main rule . An exhibition Lizard is either a "Gold or a silver" This refers to the feather type. When colour feeding a Lizard will either colour up with a dark chestnut colour (Gold) or a warm buff (silver). See examples below.Easy! Next step is to sex your Lizards. Basic rule is that cocks colour up darker that hens, and that hens carry more breast markings that cocks. These breast markings are referred to as "rowings". Of Course the only certain way is that cocks sing and hens don't.Finally, Lizards are also classed for exhibition purposes by the cap. The three basic ones here.
Clear Cap. No dark feather in cap
Broken Cap. More than 10% dark feathering in Cap
Non Cap. No light feathering in cap
Clear Cap Broken cap Non Cap