Animal crossing aid

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Crossing aids for animals enable wild land animals to overcome a traffic route (road, rail, canal) when wandering around or hiking and thus reduce its barrier effect in the habitat of the animals. In doing so, they contribute to the conservation of the species so that animals are not killed when entering traffic routes made by human hands. In the case of larger animals, people can also be affected in animal accidents.

Anywhere visible examples are Wildleitzäune along highways and high-speed railway lines . Initially, they are also barriers, but serve as crossing aids to channel the animal migration directions to the next possible crossing or underpassing for them. Even in the "classic" toad tunnel , the animals are led from far away.

Structures such as amphibious tunnels , small animal passageways , overflights , game underpasses , game overpasses , green bridges , ecologically designed river crossings , valley bridges and green underpasses serve as crossing aids .