Publications

2015
  • Lauren  Esposito; Trevor Bloom; Laura Caicedo-Quiroga; Angela M Alicea-Serrano; Jose A Sánchez-Ruíz ; Laura J May-Collado; Greta J Binford; Ingi Agnarsson. Islands within islands: diversification of tailless whip spiders (Amblypygi, Phrynus) in Caribbean caves. To Molecular Phylogenetics and Evolution.http://www.sciencedirect.com/science/article/pii/S1055790315002092  
  • Dines, J., Mesnick, S., Ralls, K., May-Collado, L.J., Agnarsson, I., and D. Matthew. 2015.A tradeoff between precopulatory and postcopulatory trait investment in male cetaceans. Evolution. http://onlinelibrary.wiley.com/doi/10.1111/evo.12676/abstract
  • May-Collado, L.J., C. W. Kilpatrick and I. Agnarsson. 2015. Mammals from ‘down under’: a multi-gene species-level phylogeny of marsupial mammals (Mammalia:Methateria). PeerJ 3:e805 http://dx.doi.org/10.7717/peerj.805.
  • Ruch J, Riehl T, May-Collado LJ & Agnarsson I (2015). Multiple origins of subsociality in crab spiders (Thomisidae). Molecular Phylogenetics and Evolution 82, Part A, 330–340. DOI 10.1016/j.ympev.2014.10.015


2013-2014
  • May-Collado, L.J. and S. Quinones-Lebron. Accepted. Dolphin changes in whistle structure with watercraft activity depends on their behavioral state.  J. Acoust. Soc. Am. EL (2014).
  • May-Collado, L.J. 2013. Guyana dolphins (Sotalia guianensis) from Costa Rica emit whistles that vary with surface behaviours. Journal of the the Acoustic Society of America, Express Letters, 134: in press.

2012
  • Páez-Rosas, D., D. Aurioles-Gamboa, J.J. Alava, and D.M. Palacios. 2012. Stable isotopes indicate differing foraging strategies in two sympatric otariids of the Galapagos Islands. Journal of Experimental Marine Biology and Ecology 424-425:44-52. doi:10.1016/j.jembe.2012.05.001. 
  • Palacios, D.M., J.C. Herrera, T. Gerrodette, C. García, G.A. Soler, I.C. Avila, S. Bessudo, E. Hernández, F. Trujillo, L. Flórez-González, and I. Kerr. 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):45-50.
  • May-Collado, L.J. and J. Forcada. 2012. Small-scale estimation of relative abundance for the coastal spotted dolphins (Stenella attenuata) in Costa Rica: the effect of habitat and seasonality Submitted to Revista de Biologia Tropical 60(2): 133-142.

2011
  • Félix, F., D.M. Palacios, S.K. Salazar, S. Caballero, B. Haase, and J. Falconí. 2011. The 2005 Galápagos Humpback Whale Expedition: A first attempt to assess and characterize the population in the archipelago. Journal of Cetacean Research and Management (Special Issue 3):291-299. 
  • Wingfield, D.K., S.H. Peckham, D.G. Foley, D.M. Palacios, B.E. Lavaniegos, R. Durazo, W.J. Nichols, D.A. Croll, and S.J. Bograd. 2011. The making of a productivity hotspot in the coastal ocean. PLoS ONE 6(11): e27874, doi:10.1371/journal.pone.0027874.t001.
  • Agnarsson, I., Zambrana-Torrelio, C. M., Flores-Saldana, N. P., and L. J. May-Collado. 2011. A time-calibrated species-level phylogeny of bats (Chiroptera, Mammalia). PLoS Currents: Tree of Life. Available from: http://knol.google.com/k/ingi-agnarsson/a-time-calibrated-species-level/3chrbtx927cxs/5.
  • Kuntner, M., May-Collado, L. J. and I. Agnarsson. 2011. Phylogeny and conservation priorities of afrotherian mammals (Afrotheria, Mammalia). Zoologica Scripta. 40:1-15.
  • Martinez-Fernandez, D., Montero-Cordero, A. and L. J. May-Collado. 2011. Cetaceos de las aguas costeras del Pacifico norte y sur de Costa Rica. Revista de Biologia Tropical. 59 (1): 283-290.
  • May-Collado, L.J. and I. Agnarsson. 2011. Phylogenetic analysis of conservation priorities for aquatic mammals and their terrestrial relatives, with a comparison of methods. PLoS One.6(7): e22562. Free download at: .http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0022562
  • Rasmussen, K., J. Calambokidis, G. Steiger. 2011. Distribution and migratory destinations of humpback whales off the Pacific coast of Central America during the boreal winters of 1996- 2003.  Marine Mammal Science. DOI: 10.1111/j.1748-7692.2011.00529.x   Available from: http://www.cascadiaresearch.org/reports/Rasmussen2011.pdf
  • Sobrero, R., May-Collado, L.J., I. Agnarsson, and C. E. Hernandez. 2011. Expensive brains: “brainy” rodents have higher metabolic rate. Frontiers in Evolutionary neuroscience . Vol 3 /Article 2/1. Free download at:http://www.frontiersin.org/Journal/Abstract.aspx?s=411&name=evolutionary_neuroscience&ART_DOI=10.3389/fnevo.2011.00002

2010
  • Borobia, M., D.M. Palacios, R.S. Wells, M.K. Stolen, and E.R. Secchi. 2010. Nélio Baptista Barros (1960-2010) – a pioneer at home and abroad. Latin American Journal of Aquatic Mammals 8(1-2): 191-192, doi:10.1057/lajam00149. 
  • Santos, M.C.O., C. Olavarría, M. Borobia, S. Caballero, E.R. Secchi, S. Siciliano, and D.M. Palacios. 2010. A Tale of Two Dolphins: Introduction to the Special Volume on the Biology and Conservation of Neotropical Dolphins of the Genus Sotalia. Latin American Journal of Aquatic Mammals 8(1-2): 9-23, doi:10.1057/lajam00148. 
  • Kappes, M.A., S.A. Shaffer, Y. Tremblay, D.G. Foley, D.M. Palacios, P.W. Robinson, S.J. Bograd, and D.P. Costa. 2010. Hawaiian albatrosses track interannual variability of marine habitats in the North Pacific. Progress in Oceanography 86:246-260, doi: 10.1016/j.pocean.2010.04.012. 
  • Lonin, S.A., J.L. Hernández, and D.M. Palacios. 2010. Atmospheric events disrupting coastal upwelling in the western Caribbean. Journal of Geophysical Research-Oceans 115, C06030, doi:10.1029/2008JC005100.
  • Agnarsson, I., Kuntner, M., and L. J. May-Collado. 2010. Dogs, cats, and kin: a near species-complete phylogeny of Carnivora.Molecular Phylogenetics and Evolution 54: 726-745. Press coverage: http://news.bbc.co.uk/earth/hi/earth_news/newsid_8383000/8383070.stm
  • May-Collado, L. J. 2010. Changes in whistle structure of two dolphin species during interspecific associations. Ethology. 116:1065-1074.
  • Press coverage: http://news.bbc.co.uk/earth/hi/earth_news/newsid_9045000/9045389.stm
  • May-Collado, L.J.  and D. Wartzok. 2010. Sounds produced by tucuxi dolphins (Sotalia fluviatilis) from the Napo and Aguarico Rivers of Ecuador.Latin American Journal of Aquatic Mammals. Special Issue.  LAJAM 8(1-2): 131-136 

2009
  • Pardo, M.A., A. Mejía-Fajardo, S. Beltrán-Pedreros, F. Trujillo, I. Kerr, and D.M. Palacios. 2009. Odontocete sightings collected during offshore cruises in the western and southwestern Caribbean Sea. Latin American Journal of Aquatic Mammals 7(1-2):57-62, doi:10.5597/lajam00135. 
  • Pardo, M.A., C. Jiménez-Pinedo, and D.M. Palacios. 2009. The false killer whale (Pseudorca crassidens) in the southwestern Caribbean: first stranding record in Colombian waters. Latin American Journal of Aquatic Mammals 7(1-2):63-67, doi:10.5597/lajam00136. 
  • Bailey, H., B.R. Mate, D.M. Palacios, L. Irvine, S.J. Bograd, and D.P Costa. 2009. Behavioural estimation of blue whale movements in the Northeast Pacific from state- space model analysis of satellite tracks. Endangered Species Research 10:93-106, doi:10.3354/esr00239. 
  • Schramm, Y., S.L. Mesnick, J. de la Rosa, D.M. Palacios, M.S. Lowry, D. Aurioles- Gamboa, H.M. Snell, and S. Escorza-Treviño. 2009. Phylogeography of California and Galápagos sea lions and population structure within the California sea lion. Marine Biology 156(7):1375-1387, doi:10.1007/s00227-009-1178-1.
  • May-Collado, L.J. and D. Wartzok. 2009. A characterization of Guyana dolphin (Sotalia guianensis) whistles from Costa Rica: The importance of broadband recording systems. Journal of the Acoustical Society of America. 125 (2): 1202-1213.
  • May-Collado, L. J. Chapter 42: Marine Mammals. 2009. In Marine Biodiversity of Costa Rica, Central America. Edited by Wehrmann, I. and J. Cortes. Springer Verglag Academic Press. 
  • Pardo, M.A., A. Mejía-Fajardo, S. Beltrán-Pedreros, F. Trujillo, I. Kerr, and D.M. Palacios. 2009. Odontocete sightings collected during offshore cruises in the western and southwestern Caribbean Sea. Latin American Journal of Aquatic Mammals 7(1-2):57-62.
  • Pardo, M.A., C. Jiménez-Pinedo, and D.M. Palacios. 2009. The false killer whale (Pseudorca crassidens) in the southwestern Caribbean: first stranding record in Colombian waters. Latin American Journal of Aquatic Mammals 7(1-2):63-67.
  • Schramm, Y., S.L. Mesnick, J. de la Rosa, D.M. Palacios, M.S. Lowry, D. Aurioles-Gamboa, H.M. Snell, and S. Escorza-Treviño. 2009. Phylogeography of California and Galápagos sea lions and population structure within the California sea lion. Marine Biology 156(7):1375-1387.

2008
  • Shillinger, G.L., D.M. Palacios, H. Bailey, S.J. Bograd, A.M. Swithenbank, P. Gaspar, B.P. Wallace, J.R. Spotila, F.V. Paladino, R. Piedra, S.A. Eckert, and B.A. Block. 2008. Persistent leatherback turtle migrations present opportunities for conservation. PLoS Biology 6(7), e171, doi:10.1371/journal.pbio.0060171. 
  • Bograd, S.J., C.G. Castro, E. Di Lorenzo, D.M. Palacios, H. Bailey, W. Gilly, and F.P. Chavez. 2008. Oxygen declines and the shoaling of the hypoxic boundary in the California Current. Geophysical Research Letters 35, L12607, doi:10.1029/2008GL034185. 
  • Bailey, H., G. Shillinger, D. Palacios, S. Bograd, J. Spotila, F. Paladino, and B. Block. 2008. Identifying and comparing phases of movement by leatherback turtles using state- space models. Journal of Experimental Marine Biology and Ecology 356:128-135, doi:10.1016/j.jembe.2007.12.020.
  • May-Collado, L. J. and D. Wartzok. 2008. A comparison of bottlenose dolphin whistle in the Western Atlantic Ocean: insights on factors promoting whistle variation. Journal of Mammalogy. 89:205-216.
  • Agnarsson, I. and L. J. May-Collado. 2008. The phylogeny of Cetartiodactyla: the importance of dense taxon sampling, missing data, and the remarkable promise of Cytochrome b to provide reliable species-level phylogenies. Molecular Evolution and Phylogenetics. 48:964-985.
  • Shillinger, G.L., D.M. Palacios, H. Bailey, S.J. Bograd, A.M. Swithenbank, P. Gaspar, B.P. Wallace, J.R. Spotila, F.V. Paladino, R. Piedra, S.A. Eckert, and B.A. Block. 2008. Persistent leatherback turtle migrations present opportunities for conservation. PLoS Biology 6(7). 

2007
  • Agnarsson, I., Coddington, J.A., and L.J. May-Collado. 2007. Elongated pedicillate setae- a putative sensory system and synapomorphy of spiders. Journal of Arachnology. 35: 411-426.
  • Branch, T.A., K.M. Stafford, D.M. Palacios, C. Allison, J.L. Bannister, C.L.K. Burton, E. Cabrera, C.A. Carlson, B. Galletti-Vernazzani, P.C. Gill, R. Hucke-Gaete, K.C.S. Jenner, M-N.M. Jenner, K. Matsuoka, Y.A. Mikhalev, T. Miyashita, M.G. Morrice, S. Nishiwaki, V.J. Sturrock, D. Tomorosov, R.C. Anderson, A.N. Baker, P.B. Best, P. Borsa, R.L. Brownell, Jr., S. Childerhouse, K.P. Findlay, T. Gerrodette, A.D. Ilangakoon, M. Joergensen, B. Kahn, D.K. Ljungblad, B. Maughan, R.D. McCauley, S. Mckay, T.F. Norris, Oman Whale And Dolphin Research Group, S. Rankin, F. Samaran, D. Thiele, K. Van Waerebeek and R.M. Warneke. 2007. Past and present distribution, densities and movements of blue whales Balaenoptera musculus in the Southern Hemisphere and northern Indian Ocean. Mammal Review 37:116-175.
  • May-Collado, L. J., Agnarsson, I., and D. Wartzok. 2007. Phylogenetic review of tonal sound production in whales in relation to sociality. BMC Evolutionary Biology. 7:136 (Highly accessed).
  • May-Collado, L. J., Agnarsson, I., and D. Wartzok. 2007. Reexamining the relationship between body size and tonal signals frequency in whales: a phylogenetic comparative approach. Marine Mammal Science. Marine Mammal Science. 23 (3): 524–552.
  • May-Collado, L. J. and D. Wartzok. 2007. Inia geoffrensis high frequency whistles.  Journal of the Acoustical Society of America. 121 (2): 1203-1212.
  • Rasmussen, K., D.M. Palacios, J. Calambokidis, M. Saborio, L. Dalla-Rosa, E. Secchi, G. Steiger, J. Allen, and G. Stone. 2007. Southern Hemisphere humpback whales wintering off Central America: insights from water temperature into the longest mammalian migration. Biology Letters 3(3):302-305.
  • Acevedo, J., K. Rasmussen, F. Félix, C. Castro, M. Llano, E. Secchi, M.T. Saborío, A. Aguayo- Lobo, B. Haase, M. Scheidat, L. Dalla-Rosa, C. Olavarría, P. Forestell, P. Acuña, G. Kaufman, L.A. Pastene. 2007. Migratory destinations of humpback whales from the Magellan Strait feeding ground, southeast Pacific. Marine Mammal Science.

2006
  • May-Collado, L. J. and I. Agnarsson. 2006. Cytochrome b and Bayesian inference of whale phylogeny. Molecular Phylogenetics and Evolution. 38: 344–354 (2nd most downloaded paper between February and March 2006).
  • Pardo, M.A., and D.M. Palacios. 2006. Cetacean occurrence in the Santa Marta region, Colombian Caribbean, 2004-2005. Latin American Journal of Aquatic Mammals 5(2):129-134.
  • Palacios, D.M., S.J. Bograd, D.G. Foley, and F.B. Schwing. 2006. Oceanographic characteristics of biological hot spots in the North Pacific: A remote sensing perspective. Deep-Sea Research II 53(3-4):250-269.

2005
  • Palacios, D.M., and S.J. Bograd. 2005. A census of Tehuantepec and Papagayo eddies in the northeastern tropical Pacific. Geophysical Research Letters 32, L23606, doi:10.1029/2005GL024324.
  • Mendelssohn, R., S.J. Bograd, F.B. Schwing, and D.M. Palacios. 2005. Teaching old indices new tricks: A state-space analysis of El Niño related climate indices. Geophysical Research Letters 32, L07709, doi:10.1029/2005GL022350.
  • May-Collado, L. J.; Gerrodete, T.; Calambokidis, J.; Rassumen K. and I. Sereg. 2005. Distribution of Cetaceans sightings in the EEZ of Costa Rica. Revista de Biología Tropical. 53: 249-263.
  • May-Collado, L. J. and Morales Ramírez, A. 2005. Presencia y Patrones de comportamiento del delfín manchado costero, Stenella attenuata graffmani (Cetacea: Delphinidae) en el Golfo de Papagayo, Costa Rica. Revista de Biología Tropical. 53 : 265-276.

1994-2004
  • Palacios, D.M., S.K. Salazar, and D. Day. 2004. Cetacean remains and strandings in the Galápagos Islands, 1923-2003. Latin American Journal of Aquatic Mammals 3(2):127- 150, doi:10.5597/lajam00058. 
  • Palacios, D.M., S.J. Bograd, R. Mendelssohn, and F.B. Schwing. 2004. Long-term and seasonal trends in stratification in the California Current, 1950-1993. Journal of Geophysical Research-Oceans 109, C10016, doi:10.1029/2004JC002380. 
  • Palacios, D.M. 2004. Seasonal patterns of sea-surface temperature and ocean color around the Galápagos: regional and local influences. Deep-Sea Research II-Topical Studies in Oceanography 51(1-3):43-57, doi:10.1016/j.dsr2.2003.08.001. 
  • Palacios, D.M. 2002. Factors influencing the island-mass effect of the Galápagos Islands. Geophysical Research Letters 29(23), 2134, doi:10.1029/2002GL016232. 
  • Capella, J.J., L. Flórez-González, P. Falk-Fernández and D.M. Palacios. 2002. Regular appearance of otariid pinnipeds along the Colombian Pacific coast. Aquatic Mammals 28(1):67-72. 
  • Rodríguez-Hernández, B. Chinchilla, F. A. and May-Collado, L. J. 2002.  Lista de especies,endemismo, y conservación de los mamíferos de Costa Rica. Revista Mexicana de Mastozoología. 6: 19-41.
  • Palacios, D.M. 1999. Blue whale (Balaenoptera musculus) occurrence off the Galápagos Islands, 1978-1995. Journal of Cetacean Research and Management 1(1):41-51. 
  • Pitman, R.L., D.M. Palacios, P.L.R. Brennan, B.J. Brennan, K.C. Balcomb, III, and T. Miyashita. 1999. Sightings and possible identity of a bottlenose whale in the tropical Indo-Pacific: Indopacetus pacificus? Marine Mammal Science 15(2):513-518, doi:10.1111/j.1748-7692.1999.tb00818.x. 
  • Muñoz-Hincapié, M.F., D.M. Mora-Pinto, D.M. Palacios, E.R. Secchi and A.A. Mignucci- Giannoni. 1998. First osteological record of the dwarf sperm whale in Colombia, with notes on the zoogeography of Kogia in South America. Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales 22(84):433-444. 
  • Van Waerebeek, K., F. Félix, B. Haase, D.M. Palacios, D.M. Mora-Pinto and M.F. Muñoz- Hincapié. 1998. Inshore records of the striped dolphin Stenella coeruleoalba from the Pacific coast of South America. Report of the International Whaling Commission 48:525- 532. 
  • Palacios, D.M., F. Félix, L. Flórez-González, J.J. Capella, D. Chiluiza and B.J.M. Haase. 1997. Sightings of Galápagos sea lions (Zalophus californianus wollebaeki) on the coasts of Colombia and Ecuador. Mammalia 61(1):114-116. 
  • Palacios, D.M. and B.R. Mate. 1996. Attack by false killer whales (Pseudorca crassidens) on sperm whales (Physeter macrocephalus) in the Galápagos Islands. Marine Mammal Science 12(4):582-587, doi:10.1111/j.1748-7692.1996.tb00070.x. 
  • Palacios, D.M. 1996. On the specimen of the ginkgo-toothed beaked whale, Mesoplodon ginkgodens, from the Galápagos Islands. Marine Mammal Science 12(3):444-446, doi:10.1111/j.1748-7692.1996.tb00596.x. 
  • Palacios, D.M. 1996. Earlier observations of presumed Galápagos sea lions, Zalophus californianus wollebaeki, from coastal Ecuador. Marine Mammal Science 12(3):497, doi:10.1111/j.1748-7692.1996.tb00606.x. 
  • Palacios, D.M. and D. Day. 1995. A Risso’s dolphin (Grampus griseus) carrying a dead calf. Marine Mammal Science 11(4):593-594, doi:10.1111/j.1748-7692.1995.tb00684.x. 
  • Palacios, D.M. 1995. Re-identification of three dolphin skulls in the Museum of the Charles Darwin Research Station. Noticias de Galápagos 55:6-8. (Now Galápagos Research). 
  • Palacios, D.M., P. Rodriguez, B. Brennan, and K. Marshall. 1994. Notes on the Cuvier's beaked whale (Ziphius cavirostris) with observations of a dead specimen. Noticias de Galápagos 54:29-31. (Now Galápagos Research).​
For more publications, field and administration reports go to the personal website of our research team.