environmental
amphibian
animal
anura
aquatic
background
beautiful
biology
close
closeup
color
common
conservation
environment
europe
european
eye
fauna
frog
green
lake
looking
macro
marsh
national
natural
nature
park
pelophylax
pond
pool
rana
ranidae
reptile
ridibunda
ridibundus
river
sitting
species
spring
stone
striped
summer
swamp
toad
urban
water
wet
wild
wildlife