amphibian
amphibians
amphibious hike
animal
attention
biotopes
bufo
cars
caution
conservation
crossing
danger
dangerous
editorial
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frog
froglurch
frogs
german
germany
green
hike
jump
lower saxony
lurch
migration
natural
nature
nature conservation
protection
road
road sign
road traffic
safety fence
sign
signpost
spawning
species
street
symbol
toad
toad migration
toad tunnel
toads
traffic
warning
wildlife