'Ladders' help frogs and toads escape drainage

Workers have been rescuing frogs and toads during work at a substation in Caithness

Special "ladders" are helping amphibians to escape from holes dug during the refurbishment of an electricity substation.

Workers have been rescuing frogs and toads during the construction of a new drainage system at SSE Network's Mybster site in Caithness.

They also sought from Trevor Rose of the British Herpetological Society.

He has installed the ladders at cable trenches and gully pots to help frogs and toads to crawl free themselves.

The ladder, the white structure in the top right, helps frogs to crawl free from drains