Will the UK's Common Toads Be Saved from Traffic and Population Collapse?
It is a Friday night at 7:30, but instead of heading to the pub 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 evenings to protect the local toad population.
A Worrying Drop in Numbers
The common toad is growing more rare. A recent study led by an amphibian and reptile charity revealed that the UK toad population have dropped by half since 1985. Observing a creature that has been a stalwart of the British countryside in decline is labeled "worrying" by researchers. Toads "don't require 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."
Since 1985, Britain's toad numbers have nearly been cut in half
The Danger from Traffic
Though the study didn't cover the causes for the decline, cars is a major factor. Calculations suggest that 20 tonnes of toads are killed on British roads annually – in other words, several hundred thousand. Unlike frogs, which might be happy to mate "if you left out a small container," toads favor large ponds. Their ability to remain away from water for more time than frogs allows they can travel further to find them – sometimes long distances. They usually follow their traditional paths – it's typical for adult toads to go back to their birth pond to mate.
Breeding Patterns
Fittingly, the first toads start their journey for a mate around Valentine's day, but some move as late as April, waiting until it gets dark and moving through the night. During that period, toads start moving from wherever they have been hibernating "almost simultaneously."
One volunteer, who was raised in the area and has been trying to protect its toad population since he was a child, notes that "Their sole purpose: to go and mate." If their route happens to a street, they could be killed by traffic, and that mating period would be lost – preventing a new generation of toads from being born.
Toad Patrols Across the United Kingdom
Finding hundreds of dead toads on nearby streets "resonates deeply with people," and has led to the formation of rescue teams throughout the UK – hundreds of organizations are currently registered with a national initiative. These groups pick up toads and transport them across roads in containers, as well as recording the number of toads they encounter and lobbying for other safety solutions, such as blocked roads and amphibian passages.
Patrols usually work during the breeding period, when amphibian movements are more regular. However, this implies they can overlook groups of toadlets, which, having existed as eggs 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 car traffic." And as being run over "essentially crushes them," it's harder to collect information on them. At least when mature amphibians are killed, their remains can be tallied.
Annual Work
Unlike many groups, a specific volunteer group, who are in their eighth year of operating, go out throughout the year – not every night, but when weather are damp, or if a member 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" – winter dormancy has started and it's been a dry day – but a few of the volunteers willingly accept to walk up and down their area with me and search for any toads. "Should anyone can find any toads tonight, that pair will find one," says the patrol manager, indicating her 14-year-old son and the experienced member. After for 120 minutes without a glimpse of any amphibians, and now they have scaled a wire barrier to inspect beneath some logs.
Family Participation
The family duo joined the group a year and a half ago. The teenager loves all things nature-related and has an goal to become a conservationist, so his mother started to search for activities they could do together to protect native animals. Now she enjoys it as much as he does, the middle-aged entrepreneur tells me – 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 video he made, imploring the municipal authority to close a road through a protected area during migration season, swung the decision the group's way. After a twelve months of campaigning, the council agreed to an "access-only" rule between evening and morning from late winter through to spring. The majority of motorists duly avoided the route.
Other Wildlife and Difficulties
A few vehicles go by when I'm out on duty and we find some victims as a result – no toads, but three squashed newts. We see one living newt as well, and the teenager is especially excited to see a daddy longlegs, which dances in his hands. Yet despite the team's hardest attempts to let me see a toad, the local population has obviously gone dormant for the colder months. It appears that I wouldn't have had any more luck elsewhere in the nation – all the rescue teams 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 a different helper, who has generously taken the trouble to look for toads in a famous site, thought to be the biggest tracked toad group in the UK, reaches me with the subject line: "None found." However, in late winter, he informs me, the group plans to assist around 10,000 adult toads across the road.
Effectiveness and Challenges
What level of impact can these organizations actually make? "The reality that people are doing this regularly on chilly, wet and miserable late nights is quite extraordinary," notes an researcher. "That's something that very much deserves recognition." However, while rescue teams are able to slow the decline, they cannot prevent it entirely – partly since vehicles is just one danger.
Additional Threats
The climate crisis has resulted in longer periods of drought, which create the wrong conditions for some of the creatures that toads consume, such as invertebrates, while warmer ponds have led to an increase of blue-green algae, which can be harmful to toads. Milder winters also lead toads to emerge from their dormancy more frequently, disrupting the energy conservation crucial to their life cycle. Habitat destruction – especially the loss 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 their presence." But toads do have an important role in the ecosystem, consuming almost any small creatures or tiny organisms they can swallow and in turn sustaining a variety of birds and mammals, such as wildlife. Improving situations for toads – such as creating more ponds, protecting forests and constructing amphibian passages – "we'll improve them for a wide range of additional wildlife."
Historical Importance
Another reason to try to keep toads present is their "important cultural value," notes an specialist. Legends and tales around toads date back {centuries|hundred