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It is Friday night at half past seven, but instead of heading to the pub or watching a film, I've caught a train to a market town in Wiltshire to meet up with local helpers from a amphibian rescue group. These committed people sacrifice their nights to protect the local toad population.

An Alarming Drop in Numbers

The common toad is becoming increasingly rare. A recent research led by an amphibian and reptile charity showed that the UK toad population have almost halved since the mid-1980s. Observing a species that has been a stalwart of the British countryside in decrease is described as "concerning" by experts. Toads "don't require very specific conditions" and "should be able to live quite well in the majority of habitats in Britain," so if even they are struggling to persist, "it kind of suggests that things are not as they should be."

Since 1985, Britain's toad numbers have nearly been cut in half

The Threat from Traffic

Though the study didn't examine the reasons for the drop, traffic certainly plays a part. Calculations indicate that 20 tonnes of toads are killed on UK roads annually – that is, hundreds of thousands. In contrast to frogs, which might be happy to mate "if you left out a bucket of water," toads favor big bodies of water. Their ability to stay out of water for longer than frogs allows they can journey farther to reach them – often hundreds of metres. They tend to follow their ancestral migration routes – it's typical for adult toads to go back to their birth pond to mate.

Migration Habits

Appropriately enough, the first toads begin their quest for a mate around Valentine's day, but some move as late as spring, waiting until it gets night and moving through the night. During that period, toads start moving from wherever they have been hibernating "almost simultaneously."

A local helper, who was raised in the area and has been trying to protect its amphibians since he was a boy, notes that "They've got just one focus: to go and mate." If their path happens to a road, they could all get run over, and that mating period would never happen – preventing a next generation of toads from being born.

Rescue Groups Across the United Kingdom

Seeing many of toad carcasses on nearby streets "resonates deeply with people," and has led to the creation of rescue teams throughout the UK – hundreds of organizations are officially listed with a countrywide program. These groups collect toads and transport them over streets in containers, as well as recording the quantity of toads they find and advocating for other protection measures, such as road closures and underground wildlife tunnels.

Patrols usually work during the breeding period, when toad crossings are frequent. However, this means they can overlook numbers of young toads, which, having been spawn and then juveniles, leave their ponds over an unpredictable schedule in late summer. Because of their size – just one or two centimetres wide – "they can get obliterated by vehicles." And as being hit "basically turns them into mush," it's harder to collect information on them. At least when adult toads are lost, their carcasses can be tallied.

Year-Round Efforts

In contrast to most patrols, one local team, who are in their eighth year of functioning, go out year-round – not every night, but whenever conditions are warm and wet, or if someone has reported about a toad sighting in their group chat. When I request to accompany them on patrol, they concede it is "not ideal conditions" – winter dormancy has started and it's been a arid period – but a few of the helpers gamely agree to walk up and down their route with me and see what we can find. "If anyone can find any toads tonight, that pair will find one," says the group coordinator, pointing to her 14-year-old son and the experienced member. We've been out for two hours without a single toad sighting, and now they have scaled a wire barrier to check under some wood.

Family Involvement

The mother and son became part of the group a year and a half ago. The youngster adores all things wildlife and has an ambition to become a conservationist, so his mother started to look for activities they could do together to help native animals. Now she loves it as much as he does, the 41-year-old entrepreneur tells me – so when the group was looking for a new manager recently, she decided to step up.

The teenager, too, has been instrumental in the organization. A clip he created, imploring the local council to block a road through a nature reserve during migration season, influenced the outcome the group's way. After a twelve months of lobbying, the council agreed to an "access-only" restriction between 5pm and 5am from late winter through to April. The majority of motorists respected and avoided the route.

Other Wildlife and Difficulties

A few vehicles go past when I'm out on patrol and we discover some casualties as a consequence – no toads, but three squashed newts. We spot one live amphibian as well, and the youngster is particularly pleased to see a harvestman, which moves in his palms. Yet despite the team's best efforts to show me a toad, the native community has clearly gone dormant for the winter. It appears that I wouldn't have had any better success elsewhere in the country – all the patrol groups I contact explain that it's near-impossible at this season.

They project rescuing nearly 10,000 grown amphibians during migration

A message I get from a different helper, who has generously taken the trouble to look for toads in a noted location, considered the largest accurately monitored toad population in the UK, arrives in my inbox with the title: "None found." However, in February and March, he tells me, the team plans to assist approximately ten thousand mature amphibians across the road.

Effectiveness and Challenges

What level of impact can these organizations actually make? "The fact that people are performing this consistently on chilly, wet and miserable late nights is remarkable," notes an expert. "This effort that very much should be celebrated." However, while rescue teams are able to reduce the drop, they can't stop it completely – partly since traffic is not the only threat.

Additional Threats

The global warming has meant extended spells of dry weather, which cause the wrong conditions for some of the creatures that toads eat, such as worms and slugs, while warmer ponds have caused an increase of blue-green algae, which can be toxic to toads. Milder winters also cause toads to emerge from their dormancy more often, disrupting the resource preservation vital to their life cycle. Habitat destruction – particularly the disappearance of big water bodies – is an additional threat.

Experts are "often concerned about overemphasizing practical benefits on biodiversity," however "There is a big value in just having these animals around." But toads do have an important role in the ecosystem, consuming almost any invertebrates or tiny organisms they can swallow and in turn feeding a variety of birds and mammals, such as wildlife. Improving conditions for toads – such as building water habitats, protecting forests and installing toad tunnels – "benefits for a whole bunch of other species."

Cultural Importance

Another reason to try to keep toads present is their "historical significance," adds an specialist. Legends and tales around toads date back {centuries|hundred