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It's Friday night at 7:30, but rather than heading to the pub or watching a film, I've caught a train to a town in Wiltshire to join volunteers from a amphibian rescue group. These dedicated individuals sacrifice their evenings to protect the native amphibian community.

A Worrying Decline in Numbers

The common toad is growing more rare. A recent research led by an wildlife conservation group revealed that the British common toad numbers have dropped by half since the mid-1980s. Seeing a species that has been a fixture of the UK landscape in decrease is described as "worrying" by researchers. Toads "don't need very particular environments" and "ought to live quite well in the majority of areas in Britain," meaning if even they are not managing to survive, "it kind of suggests that things are not as they should be."

Toad populations across the UK have declined by almost 50% since the 1980s

The Danger from Traffic

Though the research didn't examine the reasons for the drop, cars certainly plays a part. Calculations indicate that 20 tons of toads are killed on British roads annually – that is, several hundred thousand. In contrast to frogs, which might be happy to mate "with just a bucket of water," toads prefer big bodies of water. Their capacity to remain away from water for more time than frogs means they can travel further to reach them – often long distances. They tend to follow their ancestral migration routes – it's common for adult toads to return to their birth pond to mate.

Migration Patterns

Fittingly, the first toads begin their quest for a mate around February 14th, but some move as late as spring, waiting until it gets night and moving after sunset. During that time, toads begin migrating from where they have been hibernating "all pretty much at the same time."

One volunteer, who grew up in the region and has been trying to protect its amphibians since he was a boy, explains that "They've got just one focus: to go and mate." If their path crosses a street, they could be killed by traffic, and that breeding season would never happen – preventing a new generation of toads from being born.

Rescue Groups Throughout the UK

Seeing hundreds of toad carcasses on local roads "inherently strikes a chord with people," and has led to the creation of toad patrols throughout the UK – 274 groups are officially listed with a national initiative. These groups collect toads and carry them across roads in buckets, as well as recording the number of toads they encounter and lobbying for other safety solutions, such as road closures and underground wildlife tunnels.

Volunteers tend to operate during the migration season, when toad crossings are frequent. However, this implies they can overlook numbers of young toads, which, having existed as eggs and then tadpoles, exit their water habitats over an irregular timetable in the end of summer. Because of their size – just one or two centimetres wide – "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 mature amphibians are lost, their carcasses can be tallied.

Annual Efforts

Unlike most patrols, one local team, who are in their eighth season of operating, go out throughout the year – not nightly, but when weather are warm and wet, or if a member has posted about a amphibian spotting in their messaging app. When I ask to join them on patrol, they concede it is "not ideal conditions" – toad hibernation season has begun and it's been a arid period – but a few of the helpers gamely agree to patrol their area with me and search for any toads. "If anyone can find any toads tonight, those two will find one," says the group coordinator, indicating her teenage child and the longtime volunteer. After for two hours without a single toad sighting, and now they have scaled a wire barrier to check under some logs.

Family Participation

The family duo became part of the patrol a while back. The youngster loves all things wildlife and has an ambition to become a conservationist, so his mother started to search for things they could do jointly to help local wildlife. Now she enjoys it as much as he does, the middle-aged small business owner tells me – so when the group was looking for a new manager lately, she volunteered for the role.

The youth, too, has been instrumental in the group. A clip he created, imploring the municipal authority to block a street through a nature reserve during breeding time, swung the decision the team's way. After a year of lobbying, the authority approved an "restricted access" rule between 5pm and 5am from February through to spring. The majority of motorists respected and avoided the road.

Other Wildlife and Challenges

A few cars go past when I'm out on duty and we find some victims as a consequence – no amphibians, but several crushed salamanders. We spot one live amphibian as well, and the teenager is particularly pleased to see a harvestman, which moves in his palms. Yet in spite of the group's best efforts to show me a toad, the local population has obviously gone dormant for the winter. It appears that I wouldn't have had any better success elsewhere in the nation – all the rescue teams I reach out to explain that it's very difficult at this time of year.

The group expects to help approximately 10,000 adult toads across the road

A message I receive from another volunteer, who has generously made the effort to check for toads in a noted location, considered the biggest tracked toad group in the UK, arrives in my inbox with the subject line: "None found." However, in late winter, he tells me, the group expects to help approximately 10,000 adult toads over the street.

Effectiveness and Limitations

How much of a difference can these organizations truly achieve? "The reality that people are doing this regularly on cold, damp and unpleasant evenings is remarkable," says an expert. "That's something that very much should be celebrated." However, while rescue teams are able to reduce the drop, they can't stop it completely – not least because vehicles is not the only threat.

Additional Threats

The climate crisis has meant longer periods of dry weather, which create the poor environment for some of the creatures that toads consume, such as invertebrates, while higher water temperatures have caused an increase of toxic plants, which can be harmful to toads. Milder winters also cause toads to emerge from their hibernation more often, disrupting the energy conservation crucial to their life cycle. Loss of environment – especially the disappearance of big water bodies – is another menace.

Researchers are "often concerned about putting too much of a utilitarian spin on wildlife," but "There is a big value in just their presence." But toads do have an significant part in the ecosystem, consuming pretty much any small creatures or tiny organisms they can fit in their mouths and in turn feeding a number of predators, such as wildlife. Enhancing conditions for toads – such as building water habitats, protecting forests and constructing toad tunnels – "benefits for a wide range of other species."

Historical Significance

An additional motive to try to keep toads present is their "important cultural value," adds an specialist. Myths and folklore around toads date back {centuries|hundred