These small fish try to jump over a small waterfall in the rainforest of Sri Lanka. Perhaps they are heading up the river to spawn. What is the persis

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These small fish try to jump over a small waterfall in the rainforest of Sri Lanka. Perhaps they are heading up the river to spawn. What is the persistence of instinct!

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Size: 4240px × 2827px
Photo credit: © Maximilian Buzun / Alamy / Afripics
License: Royalty Free
Model Released: No

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