Will the UK's Common Toads Be Saved from Roads and Terrible Decline?
It's Friday night at 7:30, but rather than going out or watching a film, 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 nights to protect the local toad population.
An Alarming Decline in Numbers
The Bufo bufo is becoming increasingly uncommon. A recent study led by an amphibian and reptile charity showed that the UK toad population have dropped by half since the mid-1980s. Observing a creature that has been a stalwart of the UK landscape in decrease is labeled "worrying" by experts. Toads "don't require very specific conditions" and "should be able to live successfully in the majority of areas in the UK," so if even they are struggling to persist, "it kind of suggests that the ecosystem is unbalanced."
Toad populations across the UK have declined by almost 50% since the 1980s
The Threat from Roads
Though the study didn't examine the causes for the decline, cars is a major factor. Estimates indicate that 20 tonnes of toads are crushed on UK roads annually â that is, hundreds of thousands. Unlike frogs, which might be content to mate "with just a small container," toads prefer large ponds. Their capacity to stay out of water for longer than frogs means they can journey farther to find them â often hundreds of metres. They usually stick to their ancestral migration routes â it's common for mature amphibians to return to their birth pond to mate.
Migration Patterns
Fittingly, the first toads begin their quest for a partner around February 14th, but others travel as late as spring, waiting until it gets night and moving after sunset. During that period, toads start moving from where they have been overwintering "almost simultaneously."
A local helper, who was raised in the region and has been working to save its toad population since he was a boy, explains that "Their sole purpose: to go and have an orgy." If their route happens to a street, they could all get run over, and that breeding season would never happen â preventing a next generation of toads from being produced.
Rescue Groups Across the UK
Finding hundreds of dead toads on nearby streets "inherently strikes a chord with people," and has resulted in the creation of toad patrols across the UK â 274 groups are currently registered with a countrywide program. These teams collect toads and transport them over streets in buckets, as well as counting the number of toads they encounter and lobbying for other protection measures, such as road closures and underground wildlife tunnels.
Volunteers tend to operate during the migration season, when toad crossings are frequent. However, this means they can miss numbers of toadlets, which, having been eggs and then juveniles, exit their ponds over an irregular timetable in the end of summer. Because of their small stature â just one or two centimetres wide â "they can get obliterated by vehicles." And as being hit "essentially crushes them," it's more difficult to collect information on them. At least when adult toads are lost, their remains can be tallied.
Annual Efforts
In contrast to many groups, one local team, who are in their eighth year of operating, go out year-round â not every night, but whenever weather are warm and wet, or if someone has reported about a amphibian spotting in their group chat. When I request to accompany them on duty, they admit it is "not a toady night" â toad hibernation season has started and it's been a dry day â but a few of the helpers willingly accept to walk up and down their area with me and search for any toads. "If anyone can locate any toads tonight, that pair will spot one," says the group coordinator, pointing to her 14-year-old son and the longtime volunteer. We've been out for 120 minutes without a single toad sighting, and now they have scaled a wire barrier to inspect beneath some wood.
Family Participation
The family duo became part of the group a year and a half ago. The youngster loves all things nature-related and has an goal to become a conservationist, so his mother started to search for things they could do together to protect native animals. Now she loves it as much as he does, the 41-year-old small business owner tells me â so when the team was seeking a new manager recently, she volunteered for the role.
The youth, too, has been instrumental in the group. A clip he made, urging the local council to block a road through a nature reserve during breeding time, swung the decision the team's way. After a year of campaigning, the council approved an "access-only" restriction between 5pm and 5am from late winter through to spring. The majority of motorists duly avoided the route.
Additional Species and Challenges
Several vehicles go past when I'm out on duty and we discover some casualties as a result â no toads, but several crushed salamanders. We spot one live amphibian as well, and the youngster is particularly pleased to see a harvestman, which moves in his hands. Yet in spite of the team's best efforts to let me see a toad, the native community has obviously gone dormant for the colder months. It appears that I couldn't have found any more luck elsewhere in the country â all the patrol groups I reach out to clarify that it's near-impossible at this time of year.
The group expects to help approximately 10,000 adult toads across the road
One email I receive from a different helper, who has kindly taken the trouble to check for toads in a famous site, thought to be the largest accurately monitored toad population in the UK, arrives in my inbox with the title: "No toads." However, in late winter, he tells me, the group plans to assist around 10,000 mature amphibians over the street.
Effectiveness and Limitations
How much of a difference can these groups actually make? "The reality that people are performing this consistently on chilly, wet and miserable evenings is remarkable," notes an researcher. "This effort that very much deserves recognition." However, while rescue teams are able to slow the decline, they cannot prevent it entirely â partly since vehicles is not the only threat.
Additional Threats
The climate crisis has resulted in longer periods of dry weather, which create the wrong conditions for some of the animals that toads eat, such as invertebrates, while higher water temperatures have caused an rise of toxic plants, which can be harmful to toads. Milder winters also cause toads to emerge from their hibernation more frequently, disrupting the resource preservation vital to their existence. Loss of environment â particularly the disappearance of large ponds â is another menace.
Experts are "always a bit worried about putting too much of a utilitarian spin on wildlife," however "It's important in just their presence." But toads do have an significant part in the food chain, consuming almost any small creatures or tiny organisms they can fit in their mouths and in turn sustaining a variety of predators, such as hedgehogs and otters. Enhancing conditions for toads â such as creating more ponds, conserving woodland and installing amphibian passages â "we'll improve them for a wide range of additional wildlife."
Cultural Importance
An additional motive to work to preserve toads around is their "important cultural value," adds an expert. Legends and tales around toads date back {centuries|hundred