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It is Friday evening at 7:30, but instead of heading to the pub or relaxing at home, I've taken a train to a town in the countryside to meet up with local helpers from a amphibian rescue group. These committed people sacrifice their nights to safeguard the local toad population.

An Alarming Drop in Population

The common toad is growing more rare. A latest research led by an amphibian and reptile charity revealed that the British common toad numbers have dropped by half since the mid-1980s. Observing a species that has been a fixture of the British countryside in decline is labeled "concerning" by experts. Toads "don't need very specific conditions" and "should be able to live successfully in most of areas in Britain," so if even they are not managing to survive, "it indicates 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 causes for the decline, traffic certainly plays a part. Calculations suggest that 20 tonnes of toads are killed on British roads every year – in other words, several hundred thousand. Unlike frogs, which might be happy to mate "with just a small container," toads favor big bodies of water. Their capacity to remain away from water for longer than frogs means they can travel further to reach them – sometimes hundreds of metres. They tend to stick to their ancestral migration routes – it's typical for mature amphibians to go back to their birth pond to mate.

Breeding Habits

Appropriately enough, the first toads start their journey for a mate around Valentine's day, but others travel as far as April, waiting until it gets dark and travelling through the night. During that time, toads begin migrating from where they have been hibernating "all pretty much at the same time."

A local helper, who grew up in the region and has been trying to protect its toad population since he was a child, explains that "Their sole purpose: to go and have an orgy." If their route crosses a road, they could be killed by traffic, and that mating period would never happen – stopping a new generation of toads from being produced.

Toad Patrols Throughout the United Kingdom

Finding hundreds of toad carcasses on local roads "resonates deeply with people," and has led to the creation of toad patrols throughout the UK – hundreds of organizations are officially listed with a national initiative. These groups pick up toads and transport them over streets in buckets, as well as recording the number of toads they encounter and lobbying for other protection measures, such as road closures and amphibian passages.

Patrols tend to operate during the breeding period, when amphibian movements are frequent. However, this implies they can overlook groups of toadlets, which, having been spawn and then tadpoles, exit their water habitats over an irregular timetable in late summer. Because of their size – just one or two centimetres wide – "they are destroyed by vehicles." And as being run over "essentially crushes them," it's more difficult to collect information on them. At least when adult toads are lost, their remains can be counted.

Year-Round Efforts

In contrast to 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 toad sighting in their group chat. When I request to accompany them on patrol, they concede it is "not a toady night" – toad hibernation season has started and it's been a dry day – but several of the volunteers gamely agree to patrol their route with me and see what we can find. "If anyone can locate any toads tonight, those two will spot one," says the patrol manager, pointing to her teenage child and the longtime volunteer. After for two hours without a glimpse of any amphibians, and now they have climbed over a barbed wire fence to check under some logs.

Community Involvement

The mother and son joined the group a while back. The teenager adores all things nature-related and has an goal to become a conservationist, so his parent started to search for activities they could do jointly to protect local wildlife. Now she loves it as much as he does, the middle-aged entrepreneur explains – so when the group was seeking a new manager recently, she decided to step up.

The teenager, too, has been instrumental in the group. A clip he made, imploring the local council to close a road through a protected area during migration season, influenced the outcome the group's way. After a twelve months of lobbying, the authority approved an "restricted access" rule between evening and morning from late winter through to spring. The majority of motorists respected and avoided the route.

Additional Species and Challenges

Several vehicles go past when I'm out on duty and we discover some victims as a result – no amphibians, but three squashed newts. We see one living newt as well, and the youngster is especially excited to see a harvestman, which dances in his palms. Yet despite the team's hardest attempts to let me see a toad, the local population has clearly gone dormant for the winter. It seems that I couldn't have found any better success elsewhere in the nation – all the patrol groups I reach out to explain that it's very difficult at this season.

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

A message I get from a different helper, who has kindly made the effort to check for toads in a famous site, 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 team plans to assist approximately ten thousand adult toads over the street.

Impact and Challenges

How much of a difference can these groups truly achieve? "The fact that people are performing this consistently on chilly, wet and miserable late nights is quite extraordinary," notes an expert. "That's something that very much deserves recognition." However, while rescue teams are able to slow the decline, they can't stop it completely – not least because vehicles is not the only threat.

Other Dangers

The global warming has resulted in extended spells of dry weather, which cause the wrong conditions for some of the creatures that toads eat, such as invertebrates, while higher water temperatures have caused an increase of toxic plants, which can be toxic to toads. Milder winters also lead toads to wake up from their hibernation more often, interfering with the resource preservation vital to their existence. Habitat destruction – particularly the disappearance of big water bodies – is an additional threat.

Researchers are "often concerned about putting too much of a utilitarian spin on biodiversity," however "It's important in just having these animals around." But toads do have an important role in the ecosystem, eating almost any invertebrates or tiny organisms they can swallow and in turn feeding a number of birds and mammals, such as wildlife. Improving conditions for toads – such as creating more ponds, conserving woodland and installing amphibian passages – "benefits for a wide range of additional wildlife."

Historical Importance

An additional motive to try to keep toads around is their "historical significance," adds an expert. Myths and folklore around toads date back {centuries|hundred