Can Britain's Toads Survive from Roads and Terrible Decline?

It is a Friday evening at 7:30, but rather than heading to the pub or relaxing at home, I've caught a train to a town in Wiltshire to join local helpers from a toad patrol. These committed people give up their evenings to protect the native amphibian community.

A Worrying Decline in Population

The common toad is growing more uncommon. A recent study conducted by an amphibian and reptile charity revealed that the British common toad numbers have almost halved since the mid-1980s. Seeing a creature that has been a stalwart of the UK landscape in decline is described as "concerning" by researchers. Toads "don't require very specific conditions" and "ought to live successfully in most of habitats in the UK," so if even they are not managing to survive, "it kind of suggests that the ecosystem is unbalanced."

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

The Threat from Roads

Though the study didn't cover the causes for the decline, traffic is a major factor. Estimates suggest that 20 tons of toads are crushed on British roads annually – in other words, several hundred thousand. Unlike frogs, which would probably be content to mate "with just a bucket of water," toads favor large ponds. Their capacity to remain away from water for longer than frogs means they can journey farther to reach them – sometimes long distances. They tend to follow their traditional paths – it's typical for mature amphibians to go back to their natal pond to mate.

Migration Patterns

Appropriately enough, the first toads 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 wherever they have been overwintering "all pretty much at the same time."

A local helper, who grew up in the region and has been working to save its amphibians since he was a boy, explains that "Their sole purpose: to go and have an orgy." If their route happens to a road, they could be killed by traffic, and that breeding season would never happen – stopping a new generation of toads from being born.

Rescue Groups Throughout the UK

Seeing hundreds of dead toads on nearby streets "inherently strikes a chord with people," and has resulted in the formation of rescue teams throughout the UK – 274 groups are currently registered with a countrywide program. These teams collect toads and carry them over streets in buckets, as well as recording the quantity of toads they encounter and lobbying for other protection measures, such as blocked roads and underground wildlife tunnels.

Volunteers tend to operate during the breeding period, when toad crossings are more regular. However, this means they can overlook numbers of toadlets, which, having been eggs and then tadpoles, exit their ponds over an unpredictable schedule in late summer. Because of their small stature – just a couple of cm wide – "they can get obliterated by vehicles." And as being hit "essentially crushes them," it's more difficult to get data on them. At least when mature amphibians are lost, their remains can be counted.

Year-Round Efforts

Unlike many groups, a specific volunteer group, who are in their eighth year of functioning, go out throughout the year – not every night, but when weather are damp, or if a member has reported about a amphibian spotting in their messaging app. When I ask to join them on duty, they admit it is "not ideal conditions" – toad hibernation season has started and it's been a dry day – but a few of the volunteers gamely agree to patrol their route with me and search for any toads. "Should anyone can find any toads tonight, those two will find one," says the patrol manager, pointing to her 14-year-old son and the longtime volunteer. We've been out for two hours without a glimpse of any amphibians, and now they have scaled a wire barrier to check under some logs.

Family Involvement

The mother and son became part of the group a year and a half ago. The youngster loves all things nature-related and has an goal to become a environmentalist, so his mother started to search for things they could do together to help local wildlife. Now she enjoys it as much as he does, the middle-aged entrepreneur explains – so when the group was looking for a new manager lately, she volunteered for the role.

The youth, too, has played an important role in the group. A video he made, urging the municipal authority to block a road through a nature reserve during migration season, influenced the outcome the group's way. After a year of lobbying, the authority agreed to an "access-only" restriction between 5pm and 5am from February through to spring. Most drivers respected and avoided the route.

Other Wildlife and Difficulties

A few cars go by when I'm out on patrol and we discover some victims as a consequence – no toads, but three squashed newts. We see one live amphibian as well, and the youngster is especially excited to see a harvestman, which dances in his hands. Yet despite the group's best efforts to let me see a toad, the local population has obviously gone dormant for the colder months. It appears that I couldn't have found any better success anywhere else in the nation – all the rescue teams I contact clarify that it's near-impossible at this time of year.

This team anticipates assisting around ten thousand mature toads over the street

One email I get from another volunteer, who has generously taken the trouble to look for toads in a noted location, considered the biggest tracked toad group in the UK, reaches me with the subject line: "None found." However, in late winter, he informs me, the team plans to assist around ten thousand mature amphibians over the street.

Effectiveness and Challenges

How much of a difference can these organizations actually make? "The fact that volunteers are doing this regularly on chilly, wet and miserable evenings is remarkable," notes an researcher. "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 extended spells of dry weather, which cause the poor environment for some of the animals that toads eat, such as invertebrates, while higher water temperatures have led to an rise of toxic plants, which can be toxic to toads. Warmer cold seasons also lead toads to emerge from their hibernation more frequently, interfering with the resource preservation crucial to their life cycle. Habitat destruction – especially the loss of large ponds – is another menace.

Researchers are "often concerned about overemphasizing practical benefits on wildlife," however "There is a big value in just their presence." But toads do have an significant part in the food chain, eating pretty much any small creatures or small animals they can swallow and in turn sustaining a variety of birds and mammals, such as hedgehogs and otters. Improving situations for toads – ie creating more ponds, conserving woodland and installing amphibian passages – "we'll improve them for a whole bunch of other species."

Historical Importance

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

Debra Simmons
Debra Simmons

Maya Chen is a sustainability consultant with over a decade of experience in green technology and corporate environmental strategies.