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Soon No More Lizards? How the Horseshoe Snake Is Hollowing Out Ibiza's Smallest Islands

Why Small Island Lizards Are So Vulnerable to Invasive Snakes

Small island lizard populations in the Balearics can disappear quickly when invasive snakes spread, because they have limited space and no refuge.

Published: May 16, 2026
Soon No More Lizards? How the Horseshoe Snake Is Hollowing Out Ibiza's Smallest Islands

Answer

Can invasive snakes threaten lizards on small islands near Mallorca and Ibiza?

Yes. On very small islands, even a few snakes can be enough to push local lizard populations into collapse within a short time. The risk is especially serious for endemic species that exist only in the Balearics and have nowhere else to retreat.

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