Can the UK's Toads Survive from Roads and Terrible Decline?
It's Friday evening at half past seven, but rather than going out or relaxing at home, I've taken a train to a market town in Wiltshire to meet up with volunteers from a toad patrol. These committed people sacrifice their evenings to protect the local toad population.
A Worrying Decline in Numbers
The Bufo bufo is growing more rare. A recent study conducted by an amphibian and reptile charity revealed that the British common toad numbers have dropped by half since the mid-1980s. Observing a creature that has been a fixture of the British countryside in decrease is labeled "concerning" by researchers. Toads "don't require very specific conditions" and "ought to live quite well in the majority of areas in the UK," so if even they are not managing to survive, "it kind of suggests that the ecosystem is unbalanced."
The UK toad population has almost halved since 1985
The Threat from Traffic
Though the study didn't examine the causes for the decline, traffic is a major factor. Calculations indicate that 20 tons of toads are crushed on UK roads annually – in other words, hundreds of thousands. In contrast to frogs, which would probably be happy to mate "if you left out a small container," toads favor large ponds. Their ability to stay out of water for more time than frogs allows they can journey farther to reach them – often hundreds of metres. They tend to follow their ancestral migration routes – it's common for adult toads to return to their natal pond to mate.
Breeding Habits
Fittingly, the first toads start their journey for a mate around Valentine's day, but others travel as late as spring, until it gets dark and moving after sunset. During that time, toads begin migrating from where they have been hibernating "almost simultaneously."
One volunteer, who grew up in the area and has been working to save its toad population since he was a child, notes that "Their sole purpose: to go and mate." If their path crosses a road, they could be killed by traffic, and that mating period would never happen – preventing a next generation of toads from being born.
Rescue Groups Across the UK
Finding hundreds of toad carcasses on local roads "resonates deeply with people," and has resulted in the creation of toad patrols across the UK – hundreds of organizations are officially listed with a national initiative. These teams pick up toads and carry them over streets in containers, as well as recording the number of toads they encounter and advocating for other protection measures, such as road closures and underground wildlife tunnels.
Patrols tend to operate during the breeding period, when amphibian movements are frequent. However, this means they can overlook numbers of young toads, which, having been eggs and then juveniles, leave their water habitats over an irregular timetable in late summer. Because of their small stature – just a couple of cm wide – "they can get obliterated by vehicles." And as being run over "essentially crushes them," it's harder to collect information on them. At least when mature amphibians are lost, their carcasses can be tallied.
Annual Efforts
Unlike many groups, one local team, who are in their eighth season of functioning, go out year-round – not nightly, but whenever weather are damp, or if someone has reported about a toad sighting in their group chat. When I request to accompany them on patrol, they admit it is "not ideal conditions" – winter dormancy has started and it's been a arid period – but several of the volunteers willingly accept to patrol their route with me and search for any toads. "If anyone can locate any toads tonight, that pair will find one," says the group coordinator, pointing to her teenage child and the longtime volunteer. After for 120 minutes without a single toad sighting, and now they have climbed over a barbed wire fence to inspect beneath some wood.
Community Involvement
The mother and son became part of the patrol a while back. The teenager loves all things nature-related and has an ambition to become a conservationist, so his parent started to look for things they could do jointly to protect native animals. Now she loves it as much as he does, the 41-year-old small business owner tells me – so when the team was looking for a fresh coordinator lately, she volunteered for the role.
The teenager, too, has played an important role in the organization. A clip he made, urging the municipal authority to close a road through a protected area during breeding time, influenced the outcome the team's way. After a twelve months of lobbying, the authority agreed to an "restricted access" rule between evening and morning from February through to April. Most drivers duly avoided the road.
Additional Species and Difficulties
A few vehicles go past when I'm out on patrol and we find some victims as a result – no toads, but three squashed newts. We spot one living newt as well, and the youngster is especially excited to see a harvestman, which dances in his palms. Yet despite the team's hardest attempts to show me a toad, the local population has clearly gone dormant for the colder months. It seems that I wouldn't have had any more luck anywhere else in the country – all the rescue teams I reach out to explain that it's near-impossible at this time of year.
They project rescuing nearly 10,000 grown amphibians during migration
One email I get from a different helper, who has generously made the effort to look for toads in a famous site, considered the largest accurately monitored toad population in the UK, reaches me with the subject line: "None found." However, in late winter, he tells me, the group plans to assist approximately ten thousand adult toads over the street.
Effectiveness and Limitations
How much of a difference can these organizations truly achieve? "The reality that volunteers are doing this consistently on cold, damp and unpleasant evenings is quite extraordinary," says an researcher. "This effort that very much deserves recognition." However, while toad patrols are able to reduce the drop, they can't stop it completely – partly since vehicles is just one danger.
Other Dangers
The climate crisis has meant longer periods of drought, which create the wrong conditions for some of the creatures that toads eat, such as worms and slugs, while warmer ponds have led to an rise of blue-green algae, which can be toxic to toads. Warmer cold seasons also cause toads to emerge from their dormancy more frequently, disrupting the energy conservation crucial to their life cycle. Habitat destruction – especially the disappearance of big water bodies – is another menace.
Experts are "often concerned about putting too much of a utilitarian spin on biodiversity," however "There is a big value in just having these animals around." But toads do have an important role in the food chain, consuming almost any small creatures or small animals they can swallow and in turn sustaining a number of predators, such as wildlife. Enhancing conditions for toads – ie creating more ponds, protecting forests and installing toad tunnels – "benefits for a wide range of additional wildlife."
Cultural Importance
An additional motive to work to preserve toads present is their "historical significance," adds an specialist. Myths and folklore around toads date back {centuries|hundred
