Fauna

Aesculapian Snake
Zamenis longissimus

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

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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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Asp
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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Barbel
Barbus barbus

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

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Bitterling
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...

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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...

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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...

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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...

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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...

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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...

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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....

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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...

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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...

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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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Grey Heron
Ardea cinerea

The Grey Heron is a large, stately bird which simply cannot be overlooked in the wetlands.It may be observed...

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Kingfisher
Alcedo atthis

Der "fliegende Edelstein" ist noch häufig in den Donau-Auen, die das wichtigste Brutvorkommen des...

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Lister's River Snail
Viviparus contectus

This remarkable freshwater snail is a slow and serene animal which may be easily identified thanks to its large...

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Little Ringed Plover
Charadrius dubius

In both appearance and behaviour, the Little Ringed Plover has adapted to the uncertain conditions of dynamic,...

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Mudminnow
Umbra krameri

This small, unobtrusive fish lives in the swamp waters in areas with sedimentation. Long thought to be lost...

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Noble Crayfish
Astacus astacus

The Noble, or European Crayfish, is the largest of native crayfish species. The conspicuously large and mottled...

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Northern Pike
Esox lucius

Its elongated body and long, beak-like snout make the Northern Pike utterly distinctive. In the daytime, it lurks...

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Red Deer
Cervus elaphus

Red deer – also known as elk – live in expansive, open woodlands but have settled in nearly all European habitats,...

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Smooth Snake
Coronella austriaca austriaca

The Smooth Snake is a non-venomous and utterly harmless reptile. Unfortunately, it is often confused with the...

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South Russian Tarantula
Lycosa singoriensis

It is a rare event to actually sight one of these large, exotic-looking spiders of the Lycosidae family which are...

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Southern Festoon
Zerynthia polyxena

The Southern Festoon is a swallowtail butterfly belonging to the Papilionidae family. Its life cycle is closely...

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Stag Beetle
Lucanus cervus

The Stag Beetle is the largest beetle in the Donau-Auen National Park – and in all of Europe! There is a...

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Sterlet
Acipenser ruthenus

The Sterlet is the only living representative of the sturgeon family which lives year round in freshwater; is in...

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Two-Spotted Dragonfly
Epitheca bimaculata

The populations of these dragonflies in both the Donau-Auen National Park and in the March wetlands are of great...

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Violet Oil Beetle
Meloë violaceus

The Violet Oil Beetle is a very conspicuous, slow-moving, and stout blister beetle (sometimes called oil beetle)...

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Water Strider
Gerris sp.

Water striders are the first insects that can be seen on the water each spring.

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White-tailed Eagle
Haliaeetus albicilla

With a wingspan of 2.5m, the White-tailed Eagle is the largest European eagle species. Using their broad,...

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Wild Boar
Sus scrofa

The wild boar lives in forests, prefers wet areas and is an omnivore. Its wedge-shaped head helps the wild boar to...

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Wolf Spider
Arctosa cinerea

It is a rare and wonderful thing to glimpse the Arctosa cinerea wolf spider outside of its burrow. With...

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Zingel
Zingel zingel

The Zingel belongs to the perch-like family of Perciformes. It occurs only in the Danube and some of its...

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