A disputed lost bridgeSourced
Did island animals walk in
on a vanished land bridge?
The GAARlandia hypothesis proposes that South America and the Greater Antilles were linked about 33 million years ago. Some biological lineages seem to fit the idea, but critics say geological evidence for a continuous bridge is lacking. Its existence remains disputed.
Animal histories hint
at a road geology may not support.
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GAARlandia · Wikimedia contributors
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Reviewed: 2026-10-01