Unequal rivals, ring-legged fiddler crabs (Uca annulipes) display

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Size: 3727px × 2485px
Location: Sarawak, Borneo, Malaysia
Photo credit: © Andrew Mackay / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: aggression, animals, borneo, calling, claws, crabs, dimorphism, mangrove, nature, ocypodidae, rainforest, rivals, selection, wildlife