Hippopotamus resting with head above water in a Belgrade zoo pond. Close up front view.
Schlüsselwörter
hippopotamus,
hippo,
water,
zoo,
swimming,
duck pond,
wild,
mammal,
big,
head,
aquatic,
wildlife,
nature,
animal,
endangered,
species,
exotic,
large,
outdoors,
natural,
tropical,
heavy,
thick skin,
river,
wet,
detail,
biology,
zoology,
conservation,
park,
unique,
africa,
giant,
aquatic mammal,
zoological,
resting,
vertebrate,
eye,
ear,
surface,
floating,
endangered species,
unusual,
african wildlife,
environment,
wild animal
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