October 26, 1986 30 min
Overview
Is there a peaceable kingdom? Not really. Wild animals have "sibling rivalries" just like humans. Ironically, related species compete more frequently, and more intensely, than do non-related species. These family conflicts can be fatal when it comes to the crucial concerns of food, territory, or affection... and it's not always the larger or more powerful "cousin" which wins the competition!
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