Humpback whale abundance in the North Pacific estimated by photographic capture-recapture with bias correction from simulation studies. - Barlow, Jay; Calambokidis, John; Falcone, Erin A.; Baker, C. Scott; Burdin, Alexander M.; Clapham, Phillip J.; Ford, John K. B.; Gabriele, Christine M.; LeDuc, Richard; Mattila, David K.; Quinn, Terrance J.; Rojas-Bracho, Lorenzo; et al. (Marine Mammal Science, 2011)