Viper's-bugloss
The upright, blue flower spikes of Viper's-bugloss can be spotted on chalk grassland, sand dunes, cliffs and banks. Its spotted stem is thought to resemble a viper.
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Two Little Owl chicks sitting on a branch. Credit: Hilary Chambers
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Adder
Our only venomous snake, the shy adder can be spotted basking in the sunshine in woodland glades and on heathlands.
Adder's-tongue fern
The adder's-tongue fern is so-named because the tall stalk that bears its spores is thought to resemble a snake's tongue. An indicator of ancient meadows, it can be found mainly in…
Revealing Reptiles Adder
A stout bodied snake up to 65 cm with a thin neck triangular head and short quickly tapering tail.
Identify UK snakes
Grass snake or adder? The UK has three species of grass snake, adder and smooth snake. Want to know how to identify British snakes? Read our guide to work out what snake you've spotted.
Smooth snake
The rare smooth snake can only be found at a few heathland sites in the UK. It looks a bit like an adder, but lacks the distinctive zig-zag pattern along its back.