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

A Worrying Decline in Population

The Bufo bufo is becoming increasingly uncommon. A latest research conducted by an wildlife conservation group showed that the British common toad numbers have dropped by half since the mid-1980s. Observing a species that has been a stalwart of the UK landscape in decrease is described as "concerning" by researchers. Toads "don't need very particular environments" and "should be able to live quite well in most of habitats in the UK," meaning if even they are not managing to survive, "it indicates that things are not as they should be."

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

The Threat from Traffic

Though the research didn't cover the causes for the drop, traffic is a major factor. Calculations suggest that 20 tonnes of toads are killed on British roads annually – in other words, hundreds of thousands. Unlike frogs, which might be content to mate "if you left out a small container," toads prefer big bodies of water. Their ability to stay out of water for longer than frogs allows they can travel further to reach them – sometimes long distances. They usually stick to their ancestral migration routes – it's common for mature amphibians to return to their birth pond to mate.

Migration Patterns

Fittingly, the initial amphibians begin their quest for a mate around Valentine's day, but others travel as late as spring, waiting until it gets dark and moving after sunset. During that time, toads begin migrating from where they have been hibernating "all pretty much at the same time."

A local helper, who was raised in the region and has been working to save its toad population since he was a child, explains that "They've got just one focus: to go and have an orgy." If their path crosses a street, they could all get run over, and that mating period would never happen – preventing a next generation of toads from being produced.

Toad Patrols Across the UK

Finding many of toad carcasses on nearby streets "resonates deeply with people," and has led to the creation of toad patrols across the UK – 274 groups are currently registered with a national initiative. These groups pick up toads and carry them over streets in containers, as well as counting the number of toads they encounter and advocating for other protection measures, such as blocked roads and underground wildlife tunnels.

Patrols usually work during the migration season, when toad crossings are frequent. However, this means they can miss groups of young toads, which, having been eggs and then juveniles, leave their water habitats over an unpredictable schedule in late summer. Because of their small stature – just one or two centimetres wide – "they are destroyed by vehicles." And as being run over "basically turns them into mush," it's harder to collect information on them. At least when mature amphibians are lost, their carcasses can be tallied.

Year-Round Efforts

In contrast to most patrols, a specific volunteer group, who are in their eighth year of operating, go out throughout the year – not nightly, but when conditions are warm and wet, or if someone has posted about a toad sighting in their messaging app. When I request to accompany them on duty, they concede it is "not ideal conditions" – toad hibernation season has begun and it's been a arid period – but several of the volunteers willingly accept to patrol their route with me and see what we can find. "Should anyone can locate any toads tonight, that pair will find one," says the group coordinator, pointing to her teenage child and the experienced member. After for 120 minutes without a glimpse of any amphibians, and now they have scaled a wire barrier to check under some wood.

Family Involvement

The family duo became part of the group a year and a half ago. The youngster adores all things nature-related and has an ambition to become a conservationist, so his mother started to look for activities they could do together to protect native animals. Now she loves 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 decided to step up.

The teenager, too, has been instrumental in the group. A clip he created, imploring the municipal authority to block a road through a nature reserve during migration season, influenced the outcome the team's way. After a year of lobbying, the authority approved an "restricted access" rule between evening and morning from February through to spring. The majority of motorists respected and avoided the road.

Additional Species and Challenges

A few cars go by when I'm out on duty and we discover some victims as a consequence – no amphibians, but three squashed newts. We see one live amphibian as well, and the youngster is particularly pleased to see a harvestman, which dances in his hands. Yet in spite of the team's hardest attempts to let me see a toad, the native community has obviously settled down for the winter. It appears that I couldn't have found any better success elsewhere in the nation – all the rescue teams I reach out to clarify that it's near-impossible at this season.

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

A message I get from another volunteer, who has generously taken the trouble to check for toads in a noted location, considered the largest accurately monitored toad population in the UK, arrives in my inbox with the subject line: "No toads." However, in February and March, he informs me, the group plans to assist approximately ten thousand mature amphibians across the road.

Effectiveness and Challenges

How much of a difference can these organizations truly achieve? "The fact that volunteers 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 toad patrols are able to reduce the drop, they can't stop it completely – partly since traffic is not the only threat.

Other Dangers

The global warming has resulted in longer periods of drought, which cause the wrong conditions for some of the animals that toads consume, such as invertebrates, while higher water temperatures have led to an increase of toxic plants, which can be harmful to toads. Milder winters also lead toads to emerge from their dormancy more frequently, disrupting the energy conservation vital to their life cycle. Habitat destruction – especially the loss of big water bodies – is an additional threat.

Experts are "often concerned about putting too much of a utilitarian spin on biodiversity," however "It's important in just their presence." But toads do have an important role in the ecosystem, consuming almost any small creatures or small animals they can swallow and in turn sustaining a number of predators, such as wildlife. Enhancing situations for toads – ie creating more ponds, conserving woodland and constructing amphibian passages – "benefits for a whole bunch of additional wildlife."

Historical Significance

Another reason to try to keep toads around is their "important cultural value," notes an expert. Legends and tales around toads go back {centuries|hundred