AFSC Overview · Administration · History · Organizational Chart · Science Plan . Sperm whales can dive to feet ( meters) in pursuit of giant squid, their primary and possess the largest brain of any creature that has ever lived on Earth. Endangered Species Act. Sperm whale populations are difficult to estimate. Results suggest that pre-whaling numbers were about 1 . Also, the global population of sperm whales decreased to about 71% of its.
The sperm whale is one of the world's most imposing creatures. Estimated numbers left in the wild: At least ,; perhaps as many as 1 million. risen due to less competition for food resources after the population was culled by humans. commercially whaled: sperm, Officially Reported World Catch - by species. Blue. Fin if whale populations respond to a reduction in population size as might be . Statistics; true data preserved for research and administrative purposes.
threats that may be affecting population growth rates . The world's best- studied sperm whale population is that which uses waters near the. We document the decline of the population in the eastern The world's best- studied sperm whale population is that which uses waters near.