動物福祉
amphibian
animal
austria
background
biotope
breeding
brown
bufo
closeup
common
couple
creepy
danger
ecosystem
environment
europe
european
fauna
female
fertilization
forest
frog
grass
habitat
holding
lake
leaf
love
male
march
mating
migration
natural
nature
netherlands
pair
pond
reproduce
reproduction
sex
spawn
spring
toad
toad migration
two
water
wildlife