Study reveals rising decline of Common Toads across UK and Switzerland

Study reveals rising decline of Common Toads across UK and Switzerland (Image: Canva)

According to new research, populations of the common toad (Bufo bufo), are declining at dangerous rates in the United Kingdom and Switzerland. The common toad is no longer as common as it used to be.

This once-abundant species is facing a massive population decline that could have far-reaching negative effects if the common toad goes extinct.

Sharp Decline in Common Toads Confirmed

A study was published in Biodiversity and Conservation. The common toad is rapidly declining in the UK and Switzerland. The UK has reported a 41% decrease since 1985, and Switzerland has seen a 33% decrease since 1973. Scientists are concerned that this threatens amphibian populations and also suggests larger environmental issues at work.

Causes of the Decline

Habitat fragmentation, expanding urban areas and loss of available breeding ponds have been identified in the study as major causes of this decline. Increased road traffic to highways has also been a massive problem, creating significant mortality rates during seasonal migrations.

The issues are complicated by climate change, pollution and other environmental forces which may destabilise local ecosystems.

Ecological Consequences

The loss of a once-common species like the common toad can lead to ecological imbalances. Toads regulate populations of important insect species and are a food source for birds and mammals.

Declining toad populations may lead to insect population booms and disrupt the food chain. This suggests the connection of biodiversity.

Conservation Efforts

In the UK, volunteers are organising "toad patrols" to assist migrating toads safely across roads and reduce mortality rates during migration. Despite these efforts, the habitat destruction continues to put further pressure on toad populations.

Experts are saying that ongoing conservation measures are necessary. These measures include pond restoration, improving connectivity of habitats, and public education campaigns. These strategies will help stave off further declines.