Am fwy o ysbrydoliaeth, taflwch olwg ar becyn gwych What's that Snake? i ysgolion cynradd (www.arguk.org/info-advice/educational-resources) a grëwyd gan Nigel Hand a Jo Polack mewn partneriaeth â HART (Herefordshire Amphibian and Reptile Team) a Herefordshire Wildlife Trust.