Siberian Tiger Litters Shrink Under Poaching Pressure

When a single male tiger is poached, unborn cubs may effectively receive a death sentence.

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🤯 Did You Know (click to read)

Female Amur tigers may wait years between successful litters if cubs are repeatedly lost to incoming males.

In the forests of the Russian Far East, home to the Amur tiger, male turnover can be deadly for cubs. When dominant males disappear due to poaching, rival males move in quickly. New males often kill existing cubs to mate with females sooner. This behavior, known as infanticide, accelerates reproductive cycles but devastates cub survival. Studies in Primorye have shown that cub survival plummets when territories destabilize. Even a small rise in illegal hunting can cascade into multiple lost litters. Because official statistics focus on adult population numbers, the indirect cub losses are harder to quantify publicly. The disappearance of one male can erase years of reproductive investment. The forest appears unchanged, but the next generation quietly vanishes.

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💥 Impact (click to read)

Amur tigers already exist at relatively low densities across vast territories. Losing cubs means fewer dispersing juveniles to recolonize empty habitat. Genetic diversity shrinks when breeding males rotate too rapidly. This makes the population more vulnerable to disease and environmental change. Conservation success stories sometimes highlight rising adult counts without detailing cub recruitment rates. But without stable cub survival, those gains are fragile illusions. A population can look stable on paper while hollowing out underneath.

The irony is that one poached tiger can trigger more deaths than the single bullet suggests. Infanticide multiplies the demographic damage. Protecting adult males therefore indirectly protects entire litters. Anti-poaching patrols are not just about saving one animal at a time. They are about preserving social stability in a territorial species. When officials underreport cub losses tied to poaching, the public underestimates the true cost. In endangered predators, stability is survival.

Source

Panthera - Amur Tiger Program

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