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Related species
Species with a conservation status similar to the Medicinal leech
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1
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16
Freshwater white-clawed crayfish (
Austropotamobius pallipes
)
The only freshwater crayfish native to the UK, this species is olive-green to brown in colour and can reach up to 12 centimetres i...
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8 Images
1 Video
Common dormouse (
Muscardinus avellanarius
)
This attractive rodent can be easily distinguished from mice by its long, fluffy tail. One of the smaller members of the family of...
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7 Images
5 Videos
Killarney fern (
Trichomanes speciosum
)
This distinctive fern is one of three European species with translucent (semi-transparent) leaves. There can be as many as several...
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2 Images
0 Videos
Lady’s slipper orchid (
Cypripedium calceolus
)
The lady's slipper orchid is Britain's rarest and most impressive orchid. The exotic looking flowers have claret petals that frame...
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7 Images
0 Videos
Narrow-mouthed whorl snail (
Vertigo angustior
)
The shell is pale yellow-brown in colour with many thin growth ridges and 5 whorls. The mouth of the shell has 5- 6 teeth and is t...
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1 Image
0 Videos
Cardinal click beetle (
Ampedus cardinalis
)
This click beetle has russet-red wing cases (elytra), a shiny black thorax and a covering of fine orange hairs. The larvae are cyl...
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2 Images
0 Videos
Geyer's whorl snail (
Vertigo geyeri
)
This tiny endangered snail is quite similar in appearance to Vertigo genesii but has a more conical shell. The shell is pale reddi...
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2 Images
0 Videos
Starlet sea anemone (
Nematostella vectensis
)
This greyish-white anemone has a bulbous central section with a contracting column that enables it to burrow into soft mud. At the...
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5 Images
0 Videos
Baikal teal (
Anas formosa
)
With such a bold and eye-catching head pattern, this teal is easily discernable from other dabbling duck species. Comprised of dis...
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9 Images
1 Video
Greater spotted eagle (
Aquila clanga
)
A medium-sized eagle, the greater spotted eagle only has white spots as a juvenile, when they extend in bands across the upperwing...
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18 Images
1 Video
Dalmatian pelican (
Pelecanus crispus
)
Stunning, silvery-white plumage adorns this large pelican during the breeding season, contrasting with the rubbery orange-red pouc...
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21 Images
2 Videos
Southern damselfly (
Coenagrion mercuriale
)
Males are sky-blue and black in colour, with blue eyes and two small eyespots. They can be distinguished from the males of similar...
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7 Images
0 Videos
European polecat (
Mustela putorius
)
The largest member of the genus Mustela in Britain, polecats have weasel-like slender bodies, short legs and a broad head. Males a...
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9 Images
4 Videos
Noble crayfish (
Astacus astacus
)
This crustacean varies in colour from green or blue to brown and sometimes black. The undersides of the claws are dark red. The he...
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6 Images
0 Videos
Mountain hare (
Lepus timidus
)
The mountain hare, also known as the blue hare, or white hare in winter, is native to Britain, unlike the brown hare (Lepus europa...
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19 Images
4 Videos
White-tailed eagle (
Haliaeetus albicilla
)
This impressive bird is the largest European eagle, with huge club-ended wings which make the bright white tail seem small. The he...
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33 Images
21 Videos
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Latest news
3rd November 2009: IUCN Red List of Threatened Species - Extinction crisis continues
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What's new in ARKive
Rare images of the Critically Endangered cao-vit crested gibbon.
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An image of the Extinct longnose stubfoot toad.
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Fascinating footage of red kangaroo thermoregulation.
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Under the Sea
Leafy seadragons hatch from the male and will reach maturity within 2 years of life.
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Since the megamouth shark's discovery, only 17 sightings have been recorded of this elusive fish.
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The basking shark is the second largest fish in the sea, reaching up to 10 metres in length.
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Dusky dolphins are inquisitive creatures, as seen here investigating a southern right whale.
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The giant clam is the largest species of bivalve mollusc on fossil record and can weigh up to 300kg.
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