The disc-shaped leaves and straw-coloured flower spikes of Navelwort help to identify this plant. As does its habitat - look for it growing from crevices in rocks, walls and stony areas.

This sponge is found on rocky shores around the UK and looks like a thick bready crust (if you use your imagination a bit!).

This sea snail is abundant on rocky shores around the UK. It is an active predator, feasting on mussels and barnacles before retreating to crevices to rest.

The short-eared owl, or 'Shortie', is an unusual owl because it prefers to be out and about in the daytime. It is most easily spotted in winter, when resident birds are joined by…

The largest of the UK wrasse species, the ballan wrasse with its striking patterning is a delight for any rocky reef snorkeller or shallow water diver!

Fir clubmoss is a primitive plant found in rocky, moorland and mountain habitats. The stems of this tufted, upright fern look like tiny conifers.

As its name suggests, the zebra spider has the familiar black-and-white stripes of a zebra, making it very distinctive. It can be found stalking its prey on rocks, trees and walls, particularly in…