Energy Demands of an Apex Predator Require Vast Hunting Territories

A single tiger’s appetite can dictate miles of forest.

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Tigers primarily feed on large hoofed mammals to meet their energy needs.

An adult tiger requires substantial caloric intake, primarily from large ungulates. To sustain itself, it must control a territory large enough to ensure consistent prey availability. In fragmented habitats, territorial needs often exceed available space. Reduced territory size increases competition and conflict risk. For the South China tiger, shrinking forests meant shrinking energy budgets. Apex predators operate at the top of energy pyramids and depend on robust prey bases. When energy flow contracts, predator survival falters.

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Territorial range correlates with prey density and habitat quality. In optimal environments, ranges may contract; in degraded landscapes, they expand unsustainably. Fragmentation forces predators into smaller, less productive areas. This increases the likelihood of livestock predation and human conflict. Energy constraints become ecological bottlenecks.

Reestablishing viable tiger populations requires rebuilding entire prey networks across connected landscapes. Energy dynamics underscore why apex predator conservation cannot be isolated from broader ecosystem health. The South China tiger’s decline reflects energy pyramid collapse from the top down. Protecting apex species demands protecting energy flow itself.

Source

World Wide Fund for Nature

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