It's easy to see where this stunning bivalve got its name from - the bright orange tentacles emerging from the shell really do look like flames!

The stoat is a small mustelid, related to the weasel and otter. It has an orange body, black-tipped tail and distinctive bounding gait. Spot it on grassland, heaths and in woodlands across the UK…

This seagrass species is a kind of flowering plant that lives beneath the sea, providing an important habitat for many rare and wonderful species.

The hare's ear is a cup-like fungus that grows in clusters in broadleaved and mixed woodland, often near to the path. Its orange colour makes it quite conspicuous in the leaf litter.

The velvet shank can be found clustered on the dead and dying wood of deciduous trees, such as elm, ash, beech or oak. It has a bright orange cap and can be seen throughout winter.

The Alcathoe bat was 'discovered' in the UK in 2010 when it was confirmed as a separate species to the very similar whiskered and Brandt's bats. Little is known about its range and…

Our most common hoverfly, the marmalade fly is orange with black bands across its body. It feeds on flowers like tansy, ragwort and cow parsley in gardens, hedgerows, parks and woodlands.