News and Resources

Scientific Publications

• Guzman, H.M. & J.J. Capella. (2017). Short-Term Recovery of Humpback Whales after Percutaneous Satellite Tagging. J. Wildlife Management. DOI: 10.1002/jwmg.21235
• Guzman, H.M. & F. Felix (2017). Movements and Habitat Use by Southeast Pacific Humpback Whales Satellite Tracked at Two Breeding Grounds Sites. Aquatic Mammals. 43:139-155.
• Norman BM, Holmberg JA, Arzoumanian Z, Reynolds S, Wilson RP, Gleiss AC, Rob D, Pierce SJ, de la Parra R, Galvan B, Ramirez-Macias D, Robinson D, Fox S, Graham R, Rowat D, Potenski M, Levine M, Mckinney JA, Hoffmayer E, Dove A, Hueter R, Ponzo A, Araujo G, Aca E, David D, Rees R, Duncan A, Rohner CA, Hearn A, Acuna D, Berumen ML, Vazquez A, Green J, Bach SS, Schmidt JV & Morgan DL. In revision. Understanding constellations: ‘citizen scientists’ elucidate the global biology of a threatened marine mega-vertebrate. Bioscience (accepted with minor revisions, December 2016)
• Peñaherrera-Palma C, Hobday AJ, Hearn AR, Espinoza E, Shillinger G, Ketchum JT, Klimley AP, Frusher S, Fischer C & J Semmens (in press) Efficacy of a marine protected area to protect sharks with differential habitat use. Marine Ecology Progress Series (accepted with minor revisions, December 2016)

• Hearn A, J Green, MH Roman, D Acuña-Marrero, E Espinoza & AP Klimley (2016). Adult female whale sharks make long distance movements past Darwin Island (Galapagos, Ecuador) in the Eastern Tropical Pacific. Marine Biology 163: 213–224
• Hoyos-Padilla, E.M., F. Galván-Magaña, and A.P. Klimley.  2016.  Movement patterns of juvenile and adult white sharks (Carcharodon carcharias) at Guadalupe Island, Mexico.  Animal Biotelemetry, 4: 1-14; DOI 10.1186/s40317-016-0106-7.
• Nasar J, J Ketchum, C Peñaherrera, R Arauz, S Bessudo, E Espinoza, G Soler, G Shillinger, F Vallejo, I Zanella, J Green, H Guzman, M Hoyos, S Henderson, AP Klimley, T Steiner & A Hearn (2016) Tracking Sharks and Marine Wildlife among UNESCO World Heritage Sites in the Eastern Tropical Pacific. UNESCO World Heritage Papers 45:57–65

• Guzman, H.M., R. Condit, B. Pérez-Ortega, J.J. Capella and P. Stevick. (2015). Population size and migratory connectivity of humpback whales wintering in Las Perlas Archipelago, Panama. Mar. Mamm. Sci. 31:90-105.
Klimley, A.P., D. Acuña, R. Arauz, S. Bessudo, E. Espinosa, J.R. Green,  H. Guzman, A. Hearn, M. Hoyos, J. Ketchum, C. Peñeherrera, G. Shillinger, and G. Soler.  2015.  Shark trails in the Eastern Pacific.  American Scientist, 103: 276-283.
• Quintanilla S, A. Gómez, C. Mariño-Ramírez, C. Sorzano, S. Bessudo, G. Soler, J. E. Bernal and S. Caballero (2015) Conservation Genetics of the Scalloped Hammerhead Shark in the Pacific Coast of Colombia. Journal of Heredity: Vol 106 p 448-458.

• Acuña-Marrero D, J Jimenez, F Smith, PF Doherty Jr, A Hearn, JR Green, J Paredes-Jarrin, P Salinas (2014). Whale shark (Rhincodon typus) seasonal presence, residence time, and habitat use at Darwin Island, Galapagos Marine Reserve. PLOS One 9(12): e115946
• Edgar GJ and 24 other authors, including G. Soler (2014) Global conservation outcomes depend on marine protected areas with five key features. Nature 506, 216–220.
• Felix, F. & H.M. Guzman. (2014). Satellite Tracking and Sighting Data Analyses of Southeast Pacific Humpback Whales (Megaptera novaeangliae): Is the Migratory Route Coastal or Oceanic? Aqua. Mamm. 40:329-340
Hoyos-Padilla, E.M., J.T. Ketchum, A.P.  Klimley, and F. Galván-Magaña,.  2014.  Ontogenetic migration of a female scalloped hammerhead shark in the Gulf of California.  Animal Biotelemetry,2 (17): 1-9; http://www.animalbiotelemetry.com/content/pdf/2050-3385-2-17.
• Ketchum JT, A Hearn, AP Klimley, C Peñaherrera, E Espinoza, S Bessudo, G Soler & R Arauz (2014) Interisland movements of scalloped hammerhead sharks (Sphyrna lewini) and seasonal connectivity in a marine protected area in the eastern tropical Pacific. Marine Biology doi: 10.1007/s00227-014-2393-y
• Ketchum JT, A Hearn, AP Klimley, E Espinoza, Peñaherrera C & J Largier (2014). Seasonal changes in movements and habitat preferences of the scalloped hammerhead shark (Sphyrna lewini) while refuging near an oceanic island. Marine Biology doi: 10.1007/s00227-013-2375-5

• Acuña-Marrero D, J Zimmerhackel, J Mayora & A Hearn (2013) First record of three shark species, Odontaspis ferox, Mustelus albipinnis and Centrophorus squamosus, from the Galapagos Islands. Marine Biodiversity Records 6: e87 doi:10.1017/S1755267213000596
• Guzman, H.M., C.G. Gomez, C.A. Guevara & L. Kleivane. (2013). Potential vessel collisions with southern hemisphere humpback whales wintering off Pacific Panama. Mar. Mamm. Sci. 29:629-642.
Hearn AR, JR Green, E Espinoza, C Peñaherrera, D Acuña, AP Klimley (2013) Simple criteria to determine detachment point of towed satellite tags provide first   evidence of return migrations of whale sharks (Rhincodon typus) at the Galapagos Islands, Ecuador. Journal of Animal Biotelemetry 1:11
• Soler GA, S. Bessudo & A. Guzmán (2013) Long term monitoring of Pelagic fishes at Malpelo Island, Colombia. PROCAT. Vol. 3(2): 28-37
• Thys T, J Whitney, A Hearn, K Weng, C Peñaherrera, L Jawad, J Alfaro-Shigueto, JC Mangel & SA Karl (2013). First record of the southern ocean sunfish Mola ramsayi, in the Galapagos Marine Reserve. Marine Biodiversity Records 6: e70 doi:10.1017/S1755267213000377

• Caballero S, Cardeñosa D, Soler G &Hyde J. (2012). Application of multiplex PCR approaches for shark molecular identification: feasibility and applications for fisheries management and conservation in the Eastern Tropical Pacific. Mol Ecol Resour. 2(2):233-7.
• Palacios, D. M., Herrera, J.C., Gerrodette, T., García, C., Soler, G.A., Avila, I.C., Bessudo, S., Hernández, E., Trujillo, F., Flórez-González, L. and Kerr, L. 2012. Cetacean distribution and relative abundance in Colombia’s Pacific EEZ from survey cruises and platforms of opportunity. Journal of Cetacean Research and Management 12 (1): 45-60.
• Penaherrera C, A Hearn & A Kuhn (2012) Diel use of a saltwater creek by white-tip reef sharks Triaenodon obesus (Carcharhiniformes, Carcharhinidae) in Academy Bay, Galapagos Islands. Revista de Biologia Tropical 60 (2): 735–743

• Bessudo S, G Soler, P Klimley, J Ketchum, A Arauz, A Hearn, A Guzman & B Calmettes (2011) Vertical and horizontal movements of the scalloped hammerhead shark (Sphyrna lewini) around Malpelo and Cocos Islands (Tropical Eastern Pacific) using satellite telemetry. Boletín de Investigaciones Marinas y Costeras,  Special supplement: Malpelo 40: 91–106
• Bessudo S, G Soler, P Klimley, J Ketchum, A Arauz, A Hearn (2011). Residency of the scalloped hammerhead shark (Sphyrna lewini) at Malpelo Island and evidence of migration to other islands in the Eastern Tropical Pacific. Environmental Biology of Fishes 91 (2): 165-176
• Herrera Carmona JC, J.J Capella Alzueta, G.A. Soler, S. Bessudo, C. García & L. Flórez-González. (2011) Ocurrencia y Tasas de Encuentro De Mamíferos Marinos en las Aguas de da Isla Malpelo y hacia el Continente. Boletin del INVEMAR 40: 57-78.

• Hearn A, Ketchum J, Klimley AP, Espinoza E & C Peñaherrera (2010). Hotspots within hotspots? Hammerhead shark movements around Wolf Island, Galapagos Marine Reserve. Marine Biology 157 (9): 1899-1915
Nance H & A Hearn (2008) Current research aimed at protecting the globally endangered scalloped hammerhead shark, Sphyrna lewini, in the Eastern Tropical Pacific. Endangered Species Update 2008 25 (1): 9-11 (published in 2010)