Can Britain's Common Toads Be Saved from Traffic and Terrible Decline?
It's a Friday evening at 7:30, but rather than heading to the pub or relaxing at home, I've caught a train to a town in the countryside to meet up with volunteers from a amphibian rescue group. These dedicated individuals sacrifice their evenings to safeguard the native amphibian community.
An Alarming Decline in Numbers
The common toad is becoming increasingly rare. A latest study led by an wildlife conservation group showed that the UK toad population have almost halved since 1985. Seeing a species that has been a stalwart of the British countryside in decrease is labeled "concerning" by experts. Toads "don't need very specific conditions" and "ought to live quite well in the majority of habitats in the UK," meaning if even they are not managing to survive, "it kind of suggests that the ecosystem is unbalanced."
Since 1985, Britain's toad numbers have nearly been cut in half
The Danger from Traffic
Though the research didn't cover the reasons for the decline, cars is a major factor. Calculations suggest that 20 tonnes of toads are crushed on British roads annually – that is, hundreds of thousands. In contrast to frogs, which might be happy to mate "with just a small container," toads prefer large ponds. Their capacity to remain away from water for longer than frogs allows they can travel further to find them – sometimes hundreds of metres. They usually stick to their traditional paths – it's typical for mature amphibians to return to their birth pond to mate.
Migration Habits
Appropriately enough, the initial amphibians begin their quest for a mate around Valentine's day, but others travel as far as spring, waiting until it gets night and moving through the night. During that time, toads start moving from wherever they have been overwintering "all pretty much at the same time."
A local helper, who grew up in the area and has been working to save its amphibians since he was a boy, notes that "They've got just one focus: to go and have an orgy." If their route crosses a street, they could all get run over, and that breeding season would never happen – stopping a next generation of toads from being produced.
Rescue Groups Throughout the United Kingdom
Finding many of dead toads on nearby streets "inherently strikes a chord with people," and has resulted in the creation of toad patrols across the UK – 274 groups are officially listed with a national initiative. These teams collect toads and carry them over streets in buckets, as well as recording the quantity of toads they find and advocating for other safety solutions, such as blocked roads and underground wildlife tunnels.
Patrols tend to operate during the migration season, when toad crossings are more regular. However, this means they can miss groups of young toads, which, having been eggs and then tadpoles, leave their ponds over an irregular timetable in late summer. Because of their size – just one or two centimetres wide – "they can get obliterated by car traffic." And as being hit "essentially crushes them," it's more difficult to get data on them. At least when adult toads are killed, their carcasses can be tallied.
Year-Round Efforts
Unlike many groups, one local team, who are in their eighth season of operating, go out throughout the year – not nightly, but when conditions are damp, or if someone has posted about a amphibian spotting in their group chat. When I request to accompany them on duty, they admit it is "not a toady night" – toad hibernation season has started and it's been a arid period – but several of the volunteers willingly accept to walk up and down their route with me and search for any toads. "Should anyone can locate any toads tonight, those two will find one," says the group coordinator, pointing to her 14-year-old son and the experienced member. We've been out for 120 minutes without a glimpse of any amphibians, and now they have climbed over a wire barrier to inspect beneath some wood.
Community Involvement
The mother and son joined the patrol a while back. The youngster loves all things wildlife and has an goal to become a environmentalist, so his parent started to search for things they could do jointly to protect local wildlife. Now she enjoys 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 recently, she volunteered for the role.
The teenager, too, has been instrumental in the organization. A video he created, urging the local council to close a road through a nature reserve during migration season, swung the decision the team's way. After a year of lobbying, the council approved an "restricted access" rule between evening and morning from February through to April. The majority of motorists respected and avoided the road.
Other Wildlife and Challenges
Several cars go by when I'm out on duty and we find some victims as a consequence – no amphibians, but three squashed newts. We spot one live amphibian as well, and the youngster is particularly pleased to see a harvestman, which dances in his palms. Yet in spite of the group's best efforts to show me a toad, the local population has obviously settled down for the colder months. It seems that I couldn't have found any better success anywhere else in the country – all the rescue teams I contact clarify that it's near-impossible at this time of year.
They project rescuing nearly 10,000 grown amphibians during migration
One email I receive from another volunteer, who has generously taken the trouble to check for toads in a noted location, considered the biggest tracked toad population in the UK, reaches me with the subject line: "None found." However, in late winter, he informs me, the group expects to help approximately 10,000 mature amphibians across the road.
Impact and Challenges
What level of impact can these groups truly achieve? "The reality that people are doing this regularly on chilly, wet and miserable evenings is remarkable," says an expert. "That's something that very much deserves recognition." However, while rescue teams are able to slow the decline, they can't stop it completely – not least because vehicles is just one danger.
Additional Threats
The climate crisis has meant longer periods of dry weather, which create the wrong conditions for some of the creatures that toads consume, such as worms and slugs, while higher water temperatures have led to an rise of toxic plants, which can be toxic to toads. Warmer cold seasons also cause toads to emerge from their dormancy more frequently, interfering with the resource preservation vital to their life cycle. Habitat destruction – especially the disappearance of large ponds – is an additional threat.
Experts are "often concerned about overemphasizing practical benefits on biodiversity," however "It's important in just having these animals around." But toads play an significant part in the food chain, eating pretty much any small creatures or small animals they can fit in their mouths and in turn feeding a number of predators, such as wildlife. Improving conditions for toads – such as building water habitats, protecting forests and constructing amphibian passages – "benefits for a wide range of additional wildlife."
Historical Significance
Another reason to work to preserve toads present is their "historical significance," notes an expert. Legends and tales around toads date back {centuries|hundred