How Many Humpbacks Existed in the North Atlantic? (2 of 3) (image) Wildlife Conservation Society Share Print E-Mail Caption A humpback whale calf breaches. Using hundreds of genetic samples from whales across the Atlantic and from the Southern Hemisphere, the research team calculated that the North Atlantic once contained more than 100,000 whales, two to three times the amount calculated from old whaling records, and four to five times the current abundance for the population. Credit Salvatore Cerchio/Wildlife Conservation Society Usage Restrictions One-time use only. Must use the following credit: Salvatore Cerchio/Wildlife Conservation Society Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.