Conserving whale stocks under the ICRW since 1946.
Humpback whales have surged from about 2,000 to 35,000 in roughly 40 years, drawing them into Rio’s Guanabara Bay. Tours with biologists onboard have grown, while researchers study migration patterns and the Abrolhos Bank habitat. A scientific expedition runs June 26–July 9 to map behavior and routes.