What wildlife lives on the river Danube?

* Sturgeon: The Danube is home to three species of sturgeon, including the beluga sturgeon, which is the largest freshwater fish in the world.

* Carp: Carp are a common fish in the Danube, and they are often caught for food.

* Pike: Pike are another predatory fish that can be found in the Danube.

* Catfish: Catfish are a bottom-dwelling fish that can be found in the Danube.

* Eel: Eel are a migratory fish that can be found in the Danube.

Birds

* White-tailed eagle: The white-tailed eagle is a large bird of prey that can be found along the Danube.

* Osprey: Osprey are a fish-eating bird of prey that can be found along the Danube.

* Kingfisher: Kingfishers are a small, brightly-colored bird that can be found along the Danube.

* Great cormorant: Great cormorants are a large, black waterbird that can be found along the Danube.

* Grey heron: Grey herons are a large, long-legged waterbird that can be found along the Danube.

Mammals

* European beaver: European beavers are large, semi-aquatic rodents that can be found along the Danube.

* Otter: Otters are small, carnivorous mammals that can be found along the Danube.

* Muskrat: Muskrats are a small, semi-aquatic rodent that can be found along the Danube.

* Wild boar: Wild boar are a large, omnivorous mammal that can be found along the Danube.

* Red deer: Red deer are a large, herbivorous mammal that can be found along the Danube.

Reptiles

* European pond turtle: European pond turtles are a small, freshwater turtle that can be found along the Danube.

* Grass snake: Grass snakes are a non-venomous snake that can be found along the Danube.

* Dice snake: Dice snakes are a non-venomous snake that can be found along the Danube.

* European adder: European adders are a venomous snake that can be found along the Danube.

Amphibians

* Common frog: Common frogs are a small, green frog that can be found along the Danube.

* Green toad: Green toads are a small, green toad that can be found along the Danube.

* Fire salamander: Fire salamanders are a large, black salamander that can be found along the Danube.

* Alpine newt: Alpine newts are a small, brown newt that can be found along the Danube.

Invertebrates

* Dragonfly: Dragonflies are a large, flying insect that can be found along the Danube.

* Damselfly: Damselflies are a small, flying insect that can be found along the Danube.

* Butterfly: Butterflies are a large, flying insect that can be found along the Danube.

* Moth: Moths are a large, flying insect that can be found along the Danube.

* Beetle: Beetles are a large, crawling insect that can be found along the Danube.

* Spider: Spiders are a large, crawling arachnid that can be found along the Danube.

* Snail: Snails are a small, crawling mollusk that can be found along the Danube.

* Clam: Clams are a small, bivalve mollusk that can be found along the Danube.