amphibian
amphibians
animal
animals
britain
british
brown
close
close-up
close-ups
closeup
closeups
common
development
egg
eggs
embryo
embryos
europe
european
fauna
frog
frog's
frog-jelly
frogs
frogspawn
German
germany
grass
great
Kingdom
lake
lakes
larvae
luxembourg
nature
pond
rana
ranidae
reproduction
spawn
spring
temporaria
uk
United
up
ups
water
waters
wetland
wetlands
wildlife