File:Detail-54068.jpg
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Two animals of the same species interacting in a cooperative manner, demonstrating reciprocal altruism.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:52, 16 December 2023 | | 1,456 × 832 (1.5 MB) | Ai (talk | contribs) | Two animals of the same species interacting in a cooperative manner, demonstrating reciprocal altruism. |
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