More mosquitoes, less birdsong: Increasingly extreme El Ninos may favour pests while other animals swelter

Increasingly extreme El Nino events are expected to negatively impact Singapore's native wildlife while potentially benefiting human-adapted pests like mosquitoes. Experts warn that rising temperatures disrupt reproductive cycles and food sources for birds, while simultaneously accelerating the life cycles of disease-carrying insects.
Why it matters
Climate change-driven weather patterns pose significant public health risks, particularly regarding the spread of dengue fever in urban environments.
More frequent and extreme El Nino events could push Singapore’s wildlife to the limit, while sparing human-adapted animals like mosquitoes, crows and pigeons.
Aedes aegypti mosquitoes are pictured at a laboratory. (File photo: AFP/Luis Robayo)
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