Ansgar Gruber:
Spinycheek crayfish
Ansgar Gruber:
Zebra mussel
Ansgar Gruber:
Spinycheek crayfish
Ansgar Gruber:
Fischreis
Ansgar Gruber:
Fischreis
Ansgar Gruber:
Divers in Lake Constance at night
Ansgar Gruber:
Mallard
Ansgar Gruber:
Black-headed gull
Ansgar Gruber:
Black-headed gull
Ansgar Gruber:
Great crested grebe
Ansgar Gruber:
Great cormorant
Ansgar Gruber:
Eurasian coot
Ansgar Gruber:
Yellow-legged gull
Ansgar Gruber:
Great cormorant
Ansgar Gruber:
Black-headed gull
Ansgar Gruber:
Great crested grebe
Ansgar Gruber:
Great crested grebe
Ansgar Gruber:
Grey heron
Ansgar Gruber:
Common pochard
Ansgar Gruber:
Little grebe
Ansgar Gruber:
Black-headed gull
Ansgar Gruber:
Tufted duck