Why did tarka the otter loosen his bite?

Tarka the otter loosened his bite during a crucial moment to avoid harming his intended prey, reflecting his instinctual understanding of the balance between survival and compassion. This action highlights Tarka's character, showcasing his moral dilemma and the complexity of his interactions with the world around him. It emphasizes the theme of nature's duality, where instinct and empathy coexist.