Rivers
From otters to freshwater shrimps, all animals are dependant on an abundant and reliable supply of clean water. Rivers sustain the natural environment, wildlife and people in equal measure.
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Chwilio
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…
Silver Y
The silver Y migrates to the UK in massive numbers each year - sometimes, an estimated 220 million can reach our shores in spring! Seen throughout the year, it is very common in gardens and…
Whimbrel
The whimbrel is very similar to the curlew, but a little smaller and with a striking face pattern. Its eerie call is a series of seven whistles; listen out for it around the coast as its passes…
How to build a swift box
Swifts like to leave their nests by dropping into the air from the entrance. This is why they often choose to set up camp in the eaves of buildings. If you have a wall that's at least five…
Brown centipede
A regular in gardens, hunting around compost heaps and under stones, the brown centipede is a common minibeast. Despite its name, it has 15 pairs of legs - one on each segment of its body.
Portuguese Man O'War
Despite appearances, this weird and wonderful creature is not a jellyfish! They're sometimes found washed up on our shores after westerly winds. Look but don't touch - they give a very…
My bigger picture
Acclaimed underwater photographer Paul Naylor has been diving and capturing images of life in the waters around the British coast for years, with over 2,000 dives to his name. He knows the impact…
Dace
The silvery dace can be seen gathering in large shoals in lowland rivers and streams. It is a member of the carp family and looks very similar to the chub, but is smaller.
Common earwig
Despite popular belief, and its name (from the Old English for 'ear beetle'), the common earwig will not crawl into your ear while you sleep - it much prefers a nice log or stone pile!…
Carrageen
This small reddish-purple seaweed grows in small branching fans on rocky shores. It is widely used in the food industry - and might have been used to produce your ice cream, beer or even jelly!…
Hart's-tongue fern
The hart's-tongue fern is a hardy fern of damp, shady places in woodlands. It also makes a good garden fern. It has simple, tongue-shaped, glossy, green leaves that have orange spores on…