Summary：**These whales were hunted to 150 individuals. Now there are 50,000 of them – ABC News & Headlines –

**These whales were hunted to 150 individuals. Now there are 50,000 of them – ABC News & Headlines – Australian Broadcasting Corporation**

**Introduction**
A remarkable turnaround in marine conservation is unfolding off Australia’s coasts, where a once‑critically depleted whale population has rebounded to roughly 50,000 individuals. After being driven to the brink of extinction by intensive whaling in the early 20th century, the species now numbers more than three hundred times its historic low. This resurgence offers a vivid case study of how protective measures, international cooperation, and shifting public attitudes can revive threatened marine megafauna.

**Key Developments**
The latest survey, conducted by the Australian Marine Mammal Centre, estimates that the southern right whale population now exceeds 50,000, up from a mere 150 recorded in the 1920s. The increase follows the 1986 global moratorium on commercial whaling, the establishment of extensive marine protected areas along the migratory routes, and sustained monitoring programs that track calf survival rates. Recent satellite tagging data reveal that whales are utilizing new feeding grounds in the Southern Ocean, likely responding to shifts in krill distribution linked to climate variability. Community‑based whale‑watching enterprises have also expanded, generating AU$120 million annually and reinforcing local support for conservation initiatives.

**Industry Analysis**
Economically, the whale‑watching sector now rivals traditional fisheries in several coastal towns, demonstrating that non‑extractive uses of marine resources can yield comparable, if not greater, revenue streams. Ecologically, the growing whale population enhances nutrient cycling through the “whale pump,” whereby fecal plumes fertilize phytoplankton blooms