And finally… New ‘suspension bridge’ keeps red squirrels safe in the Highlands

A specially designed rope bridge slung between trees high over a Highlands road is giving red squirrels a safe crossing.

Conservation charity Trees for Life installed the bridge over a road near Shieldaig last summer as part of its project to reintroduce red squirrels to the northwest Highlands.

Footage collected for more than a year from a camera trap has now revealed squirrels from a flourishing new population at Shieldaig crossing the bridge and exploring their new homes.

Together with nearby road signs alerting drivers to the squirrels’ presence, the innovative bridge appears to have had a significant impact in reducing road deaths of the species.



“Sadly, road traffic is a major risk for wildlife – including red squirrels. We wanted to take positive action to help the red squirrel population spread into the local woodlands as safely as possible. The combination of bridge and road signs definitely appears to be working well, which is great news,” said Becky Priestley, Trees for Life’s wildlife officer.

“It’s safer for reds to travel in the tree canopy rather than on the ground, so it’s likely that if they have the option of using a bridge rather than crossing the road, they will take it. We also installed feeders at each end of the bridge to encourage the squirrels to use it.”

Since the bridge and road signs were introduced, there has only been one known red squirrel road death locally, with none reported so far in 2018. In the year prior to the safety measures, there were three reported road deaths of reds in the immediate area, and two others further away on another road.

The rope bridge is suspended over the A896 outside Shieldaig village, alongside the Ben Shieldaig woodland – one of Scotland’s few remaining fragments of ancient Caledonian Forest.



Local climber Chris Hingley worked with Becky to install the bridge in June 2017, with support from Highland Council. Kinloch Woodlands SCIO and Ben Shieldaig Estate, owners of the land on either side of the road, met the £300 costs.

Today only an estimated 120,000 reds remain in Scotland, their numbers decimated by reduction of their forest homes to isolated remnants. Grey squirrels, introduced to the UK in the 1800s, also outcompete the native reds, and spread the squirrel pox virus – to which they are immune but which is lethal to reds.

For the last three years, Trees for Life has been carefully relocating red squirrels from their strongholds in Inverness-shire and Moray to isolated fragments of suitable Highland forest where reds would once have lived, but to which they cannot return on their own.

The successful project has seen 140 red squirrels released so far, including at Shieldaig. The reintroduced populations have been seen exploring their new woodland homes, and they have been breeding and spreading into new areas. Numerous young squirrels have been sighted at the release sites throughout 2018.



Images: © Peter Cairns www.scotlandbigpicture.com


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