Spider Population Explodes in Guam
( 01:03 )
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The exploding spider population in Guam is reaching numbers up to 40 times higher than nearby islands. This is due to an invasive species of snakes that entered Guam from their native Australia in the 1940’s. Their diet consists mainly of birds and by the 1980’s the snakes had already killed off ten of twelve native species of birds.

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