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It's Friday night at 7:30, but instead of heading to the pub or relaxing at home, I've caught a train to a town in Wiltshire to join local helpers from a amphibian rescue group. These committed people give up their nights to protect the local toad population.

A Worrying Drop in Population

The Bufo bufo is becoming increasingly uncommon. A latest research conducted by an wildlife conservation group revealed that the UK toad population have dropped by half since 1985. Seeing a species that has been a stalwart of the UK landscape in decrease is described as "concerning" by researchers. Toads "don't need very specific conditions" and "should be able to live quite well in most of habitats 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 Danger from Roads

Though the research didn't cover the reasons for the drop, cars certainly plays a part. Calculations suggest that 20 tonnes of toads are killed on UK roads annually – that is, several hundred thousand. Unlike frogs, which might be happy to mate "with just a small container," toads prefer big bodies of water. Their ability to remain away from water for more time than frogs allows they can travel further to find them – often hundreds of metres. They usually follow their ancestral migration routes – it's common for adult toads to return to their birth pond to mate.

Breeding Patterns

Appropriately enough, the initial amphibians start their journey for a partner around Valentine's day, but others travel as far as April, waiting until it gets dark and moving through the night. During that period, toads begin migrating from where they have been overwintering "almost simultaneously."

One volunteer, who was raised in the area and has been working to save its amphibians since he was a boy, explains that "They've got just one focus: to go and mate." If their path crosses a road, they could be killed by traffic, and that mating period would be lost – preventing a new generation of toads from being born.

Toad Patrols Throughout the United Kingdom

Seeing many of toad carcasses on nearby streets "resonates deeply with people," and has resulted in the creation of toad patrols across the UK – 274 groups are currently registered with a national initiative. These teams collect toads and carry them over streets in buckets, as well as counting the quantity of toads they find and advocating for other safety solutions, such as road closures and amphibian passages.

Patrols tend to operate during the migration season, when amphibian movements are more regular. However, this implies they can miss groups of toadlets, which, having been spawn and then juveniles, exit their water habitats over an irregular timetable in the end of summer. Because of their small stature – just one or two centimetres wide – "they are destroyed by car traffic." 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.

Year-Round Efforts

Unlike most patrols, a specific volunteer group, who are in their eighth year of operating, go out year-round – not every night, but whenever conditions are warm and wet, or if a member has reported about a amphibian spotting in their group chat. When I request to accompany them on patrol, they admit it is "not ideal conditions" – 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 area 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 longtime volunteer. After for 120 minutes without a glimpse of any amphibians, and now they have scaled a wire barrier to inspect beneath some wood.

Family Involvement

The family duo became part of the group a while back. The teenager adores all things wildlife and has an goal to become a conservationist, so his parent started to search for activities they could do together to protect local wildlife. Now she loves it as much as he does, the 41-year-old small business owner explains – so when the group was looking for a fresh coordinator recently, she volunteered for the role.

The youth, too, has been instrumental in the group. A clip he made, urging the municipal authority to close a road through a nature reserve during breeding time, swung the decision the group's way. After a twelve months of campaigning, the council agreed to an "restricted access" rule between evening and morning from late winter through to April. The majority of motorists respected and avoided the road.

Other Wildlife and Difficulties

Several vehicles go past when I'm out on duty and we discover some victims as a result – no amphibians, but several crushed salamanders. We see one live amphibian as well, and the teenager is particularly pleased to see a harvestman, which moves in his palms. Yet despite the team's hardest attempts to show me a toad, the native community has clearly settled down for the colder months. It seems that I couldn't have found any more luck elsewhere in the nation – all the patrol groups I contact explain that it's very difficult at this time of year.

They project rescuing nearly 10,000 grown amphibians during migration

A message I receive from another volunteer, who has kindly made the effort to look for toads in a noted location, considered the biggest tracked toad group in the UK, arrives in my inbox with the title: "No toads." However, in late winter, he informs me, the group plans to assist around 10,000 adult toads across the road.

Effectiveness and Challenges

How much of a difference can these groups truly achieve? "The fact that volunteers are doing this regularly on chilly, wet and miserable evenings is quite extraordinary," says an expert. "That's something that very much should be celebrated." However, while toad patrols are able to reduce the drop, they cannot prevent it entirely – not least because vehicles is not the only threat.

Additional Threats

The climate crisis has resulted in longer periods of drought, which create the poor environment for some of the animals that toads eat, such as invertebrates, while warmer ponds have led to an increase of blue-green algae, which can be harmful to toads. Warmer cold seasons also lead toads to wake up from their dormancy more frequently, disrupting the resource preservation crucial to their life cycle. Loss of environment – especially the loss of large ponds – is another menace.

Researchers are "always a bit worried about putting too much of a utilitarian spin on biodiversity," but "There is a big value in just their presence." But toads play an important role in the ecosystem, eating pretty much any small creatures or small animals they can swallow and in turn sustaining a variety of predators, such as hedgehogs and otters. Improving situations for toads – such as creating more ponds, conserving woodland and installing toad tunnels – "benefits for a whole bunch of other species."

Historical Significance

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