Aesculapian Snake
Zamenis longissimus

The trademark of Aesculapius, the Roman god of medicine and healing, is the serpent-entwined staff. This Aesculapian

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Agile frog
Rana dalmatina

Especially observant visitors to the Donau-Auen National Park may often come across the clay-coloured Agile Frog –

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Aspius aspius

The Asp is the only European carp which is purely predatory; it is one of the rare piscivore carp types. Once

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Banded Demoiselle
Calopteryx splendens

A remarkable, butterfly-like flying dragonfly with metallic blue shimmering wing bars. In the Donau-Auen National

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Barbus barbus

The Barbel is a characteristic species found on free-flowing stretches of the Danube. It is a demersal fish, meaning

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Rhodeus sericeus amarus (Bloch)

During mating season, males exhibit a deep red underside – but during the rest of the year, the small silver

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Black Kite
Milvus migrans

The Black Kite has dark plumage and is near in size to a buzzard. It requires open and partly-open areas near to

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Common carp
Cyprinus carpio carpio

The true Common Carp, the base form for all cultivated carp, is endangered, but is being protected and boosted in the

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Common Sandpiper
Actitis hypoleucos

Flight action of the Common Sandpiper is very unique: with a close flight path over water, it alternates between a

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Corn Crake
Crex crex

In Crown Prince Rudolph's day, the Corn Crake was a common meadowland bird in the Danube wetlands. Today, the

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Danube Crested Newt
Triturus dobrogicus

These primeval-looking creatures inhabit smaller bodies of water in the National Park. Although they may look like

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Dice Snake
Natrix tessellata tessellata

Dice Snakes are aquatic snakes and live on and in the water. Able swimmers and divers, they can remain under water

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Duck mussel
Anodonta anatina

On guided boot tours of the Donau-Auen National Park, living Duck mussels may sometimes be observed, or at least

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Eagle Owl
Bubo bubo

The Eagle Owl belongs to the order of Strigiformes. It is the largest owl species in the world and is only slightly

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Edible frog
Pelophylax kl. esculentus

Even the scientific name hints at why this species is so interesting to humans: "esculentus", meaning

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Emperor Dragonfly
Anax imperator

This "Ruler of the Skies" above our waters is one of the largest among native dragonflies. On warm sunny

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Eurasian Beaver
Castor fiber

The beaver is the "master builder" of riverine landscapes. By felling trees, the beaver makes a significant

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European Common Tree Frog
Hyla arborea arborea

The bright green European Common Tree Frog may be found flitting about leaves and boughs. Because the tips of its

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European ground squirrel
Spermophilus citellus

The European ground squirrel, also known as the European souslik, is a rodent belonging to the squirrel family. It is

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European Mantis
Mantis religiosa

The European Mantis belongs to the Mantidae family, Mantodea order of mantises. It prepares to ambush its prey by

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European pond turtle
Emys orbicularis

The European pond turtle was once in high demand as a fasting food during Lent and thus hunted and captured in huge

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Fire-Bellied Toad
Bombina bombina

The melodic  "ooh . . . ooh . . . ooh"  of the Fire-Bellied Toad may be heard on many ponds in the

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Freshwater Mussel
Unio sp.

The presence of freshwater mussels, also known as river mussels, is sometimes only apparent upon finding the single

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Freshwater Sponge
Spongillidae div.

Spongillidae are a family of freshwater sponges from the Animalia kingdom. In contrast to their flashy

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Grass Snake
Natrix natrix natrix

The Grass Snake may be most easily identified on the basis of the characteristic yellow collar behind its head. This

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Great Capricorn Beetle
Cerambyx cerdo

With a body length of around 5cm, the Great Capricorn Beetle, one of the so-called Long-Horned beetles, is one of the

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Great Pond Snail
Lymnaea stagnalis

The great pond snail is active all year round. In order to breathe, the snail regularly comes to the surface of the

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Green Club-tailed Dragonfly, also known as Green Gomphid
Ophiogomphus cecilia

This dragonfly species is highly endangered across Europe and is only a vagrant species in the National Park.

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