1 3 Smooth (Common) Newt,Triturus vulgaris Light in colour, orange belly, wavy crest with no break between back and tail. Females No crest Palmate Newt, Triturus helveticus Light in colour, orange belly, webbed hind feet, tail ends in filament, low straight crest. Females No crest, webbed feet or tail filament. Newt Larvae The size of newt larvae greatly varies with age and their form is roughly as illustrated. Crested newt larvae differ in being more darkly coloured, as in the adult form.