Ludo and the Tower: Understanding Gray Whale Vocal Behavior UAV-Drone Photogrammetry to Measure Gray Whale Growth and Body Condition Attaching D-Tags to Record Gray Whale Fine-Scale Behavior Another Gray Whale Saved in Laguna San Ignacio Mystery Whale Single gray whales in Bahia Magdalena, B.C.S., Mexico Sergio Martinez’s Wonders of Laguna San Ignacio Steven meets a Gray whale mother and calf Gray whale mother and calf in Bahia Magdalena, Baja California Sur, Mexico WWF Interview with Steven Swartz – March 2012 “Curious” gray whale approaches researchers in Laguna San Ignacio, B.C.S., Mexico