Can the UK's Common Toads Survive from Traffic and Terrible Decline?
It is a Friday night at 7:30, but instead of going out or watching a film, I've caught a train to a town in the countryside to join local helpers from a toad patrol. These dedicated individuals sacrifice their nights to safeguard the local toad population.
An Alarming Decline in Population
The Bufo bufo is growing more uncommon. A recent research led by an wildlife conservation group revealed that the British common toad numbers have almost halved since 1985. Observing a species that has been a stalwart of the UK landscape in decrease is described as "worrying" by experts. Toads "don't require very particular environments" and "should be able to live quite well in most of habitats in Britain," so if even they are struggling to persist, "it kind of suggests that the ecosystem is unbalanced."
The UK toad population has almost halved since 1985
The Threat from Traffic
Though the research didn't examine the reasons for the decline, traffic certainly plays a part. 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 "if you left out a bucket of water," toads prefer large ponds. Their capacity to stay out of water for longer than frogs means they can travel further to find them – sometimes long distances. They tend to stick to their ancestral migration routes – it's common for mature amphibians to return to their natal pond to mate.
Breeding Habits
Fittingly, the initial amphibians begin their quest for a partner around February 14th, but others travel as late as April, waiting until it gets night and moving after sunset. During that time, toads start moving 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 amphibians since he was a boy, notes 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 – stopping a new generation of toads from being born.
Toad Patrols Across the United Kingdom
Finding many of dead toads on nearby streets "resonates deeply with people," and has led to the formation of toad patrols throughout the UK – 274 groups are officially listed with a countrywide program. These teams pick up toads and carry them across roads in containers, as well as recording the quantity of toads they find and advocating for other safety solutions, such as road closures and underground wildlife tunnels.
Volunteers usually work during the breeding period, when amphibian movements are more regular. However, this means they can miss groups of young toads, which, having existed as spawn and then tadpoles, exit their ponds over an irregular timetable in late summer. Because of their size – just a couple of cm wide – "they are destroyed by vehicles." And as being hit "essentially crushes them," it's more difficult to get data on them. At least when adult toads are lost, their remains can be counted.
Year-Round Efforts
Unlike most patrols, a specific volunteer group, who are in their eighth season of functioning, go out throughout the year – not nightly, but when weather are warm and wet, or if a member has reported about a toad sighting in their group chat. When I request to accompany them on duty, they admit it is "not ideal conditions" – winter dormancy has begun and it's been a arid period – but several of the helpers willingly accept to patrol their area with me and search for any toads. "If anyone can locate any toads tonight, that pair will find one," says the patrol manager, indicating her 14-year-old son and the longtime volunteer. We've been out for two hours without a single toad sighting, and now they have scaled a barbed wire fence to inspect beneath some logs.
Family Involvement
The family duo became part of the group a while back. The youngster adores all things wildlife and has an goal to become a environmentalist, 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 entrepreneur explains – so when the team was seeking a new manager lately, she decided to step up.
The teenager, too, has played an important role 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 approved an "restricted access" restriction between evening and morning from February through to spring. Most drivers 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 result – no toads, but several crushed salamanders. We spot one living newt as well, and the teenager is particularly pleased to see a daddy longlegs, which moves in his hands. Yet despite the group's hardest attempts to let me see 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 country – all the rescue teams I reach out to explain that it's very difficult at this season.
They project rescuing nearly 10,000 grown amphibians during migration
A message I receive from a different helper, who has kindly taken the trouble to check for toads in a noted location, thought to be the biggest tracked toad population in the UK, arrives in my inbox with the title: "No toads." However, in February and March, he informs me, the group expects to help around ten thousand mature amphibians across the road.
Effectiveness and Challenges
How much of a difference can these organizations truly achieve? "The reality that volunteers are performing this consistently on cold, damp and unpleasant late nights is remarkable," says an researcher. "This effort that very much should be celebrated." However, while rescue teams are able to slow the decline, they cannot prevent it entirely – not least because traffic is just one danger.
Additional Threats
The climate crisis has meant extended spells of dry weather, which create the wrong conditions for some of the animals that toads consume, such as worms and slugs, while higher water temperatures have led to an increase of blue-green algae, which can be toxic to toads. Warmer cold seasons also cause toads to emerge from their hibernation more often, disrupting the resource preservation crucial to their life cycle. Habitat destruction – especially the disappearance of big water bodies – is another menace.
Experts are "often concerned about putting too much of a utilitarian spin on wildlife," however "There is a big value in just their presence." But toads play an significant part in the ecosystem, eating almost any small creatures or tiny organisms they can swallow and in turn feeding a number of predators, such as hedgehogs and otters. Enhancing situations for toads – such as creating more ponds, protecting forests and constructing amphibian passages – "benefits for a whole bunch of other species."
Cultural Importance
Another reason to try to keep toads around is their "important cultural value," adds an specialist. Myths and folklore around toads date back {centuries|hundred