An aerial view of Hawai’i short-finned pilot whales at the surface. Credit: HIMB Marine Mammal Research Program How many squid short-finned pilot whales ( Globicephala macrorhynchus ) living off Hawaiʻi must eat each day, and whether the surrounding waters can support their needs, are key questions for conservation. Understanding these fundamentals helps scientists assess the stability of whale populations. A research team from the USA, Spain, Australia and Denmark reports in the Journal of