Rana temporaria Linnaeus, 1758

Robustly built with relatively short hind limbs. Extremely variable in colour, can be grey, brown, pink, olive or yellow above usually with dark blotches and often an A-shaped mark between the shoulders, scattered black spots frequently appear on the back. Flanks usually spotted or marbled, underside white, yellow, or even orange, spotted or speckled with darker pigment.