The moth invasion in Alicante is due to a lack of sparrows and swifts
May and June have brought an unusual proliferation of moths up to five centimetres long on balconies and windows across the province. Experts point out that the disappearance of urban birds has broken the ecosystem's balance.
The spring nights of 2025 have left an unusual sight across the entire province of Alicante: large moths, some up to five centimetres long, flying over balconies, doorways and windows.
Specialists attribute this proliferation to an ecological imbalance caused by the drastic reduction in populations of urban insectivorous birds such as sparrows and swifts. These species acted as natural controllers of insects.
Without these natural predators, moths have found a favourable environment to reproduce unchecked. The phenomenon is affecting urban centres throughout the province, generating annoyance amongst residents.
Experts warn that restoring the natural balance requires protection measures for urban birds and the creation of green spaces that encourage their presence in cities.
Source: informacion.es
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