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Record 2,100+ Southern Right Whales Counted at Península Valdés

The UNESCO site’s monitoring program credits conservation measures with fueling a standout breeding season.

Overview

  • The 2025 monitoring survey produced the highest count on record at the site, exceeding 2,100 animals.
  • Researchers documented 77 mating groups, 381 solitary individuals and 826 mother‑calf pairs, deepening understanding of social and reproductive dynamics.
  • The total sharply exceeded recent seasons, compared with 1,468 whales in 2024 and 1,237 in 2023.
  • The results stem from the species’ ongoing scientific monitoring program that guides protected‑area management.
  • Scientists call the season unique and local operators expect stronger whale‑watching demand, with renewed emphasis on sustaining conservation policies and careful visitor management.