Road ecology blog: Wildlife guard at access road US Hwy 93, Arizona, USA.
On the second image: Blocked concrete edge at side of wildlife guard at access road US Hwy 93, Arizona, USA. Some wildlife species will walk on the narrow concrete edge of the wildlife guard to access the fenced road corridor. The concrete edge is part of a wall for the pit under the metal bars. Here the edge is made inaccessible to large mammals through an extra piece of wildlife fence.
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Wildlife guard at access road US Hwy 93, Arizona, USA
Blocked concrete edge at side of wildlife guard at access road US Hwy 93, Arizona, USA