Cetacean Health and Life History Program l Program Staff 

Please contact the main author for copies of these publications


Kellar, N. M., Trego,M. L., Chivers, S. J., and Archer, F. I. (2013). "Pregnancy patterns ofspotted dolphins in the eastern tropical Pacific determined from hormonalanalysis of biopsies and their correlation with the purse-seine tuna fishery"Marine Biology. DOI 10.1007/s00227-013-2299-0. previous link is a link to Non-Federal government web site. Click to review NOAA Fisheries Disclaimer

Edwards, E., Kellar, N.M., and Perrin, W. F. (2013). “Form, function, and pathology in the pantropicalspotted dolphin (Stenella attenuata)”.NOAA Tech Memo. NOAA-TM-NMFS-SWFSC-516.

Kellar,N. M., Trego, M. L., Chivers, S. J., Danil, K., Archer, F. I., and Perryman, W.L. (2013) “Are there biases in biopsy sampling? Potential drivers of sex ratioin projectile biopsy samples from two small delphinids” Marine Mammal Science. previous link is a link to Non-Federal government web site. Click to review NOAA Fisheries Disclaimer

Trego,. L M., Kellar N. M., and K. Danil (2013).“Validation of blubber progesteroneconcentrations for pregnancy determination in three dolphin species and aporpoise” PLoS ONE 8(7): e69709 (9 p.)

Hunt,Kathleen E. Hunt, Michael J. Moore, Rosalind M. Rolland, Nicholas M. Kellar,Alisa J. Hall, Joanna Kershaw, Stephen A. Raverty, Cristina E. Davis, Laura C.Yeates, Deborah A. Fauquier, Teresa K. Rowles, and Scott D. Kraus (2013)“Overcoming the challenges of studying conservation physiology in large whales:a review of available methods”. Conservation Physiology 1:1-24. previous link is a link to Non-Federal government web site. Click to review NOAA Fisheries Disclaimer

Nicholas M. Kellar, Marisa L. Trego, Susan J. Chivers, Fredrick I. Archer, Jeremiah J. Minich, and Wayne L. Perryman. In Press. Are there biases in biopsy sampling? Potential drivers of sex ratio in projectile biopsy samples from two small delphinids. Marine Mammal Science.

Scott, M. D., S. J. Chivers, R. O. Olson, P. C. Fiedler, and K. Holland. 2012. Pelagic predator associations: tuna and dolphins in the eastern tropical Pacific Ocean. Marine Ecology Progress Series 458:283-302 (doi 10.3354/meps09740)

Au, D. and W. Perryman. 1985. Dolphin habitats in the eastern tropical Pacific. Fishery Bulletin 83(4):623-643.

Perryman, W., and M. Lynn. 1993. Identification of geographic forms of common dolphin (Delphinus delphis) from aerial photogrammetry. Marine Mammal Science, 9(2):119-137.

Perryman, W., and M. Lynn. 1994. Examination of stock and school structure of striped dolphin (Stenella coeruleoalba) in the eastern Pacific from aerial photogrammetry. Fishery Bulletin 92:122-131. 

Perryman, W., and R. Westlake. 1998. A new geographic form of the spinner dolphin, Stenella longirostris, detected with aerial photogrammetry. Marine Mammal Science, 14(1):38-50.

Danil, K., K.M. Robertson and S.J. Chivers. 2004. An evaluation of using enhanced digital microscopy to estimate ages of short-beaked common dolphins Delphinus delphis. NOAA-Technical Memorandum-NMFS-SWFSC-365. 25pp.

Danil, K. and S. J. Chivers. 2006. Habitat-based spatial and temporal variability in life history characteristics of female common dolphins Delphinus delphis in the eastern tropical Pacific. Marine Ecology Progress Series. 318: 277-286. 

Danil, K. and S.J. Chivers. 2007. Growth and reproduction of female short-beaked common dolphins, Delphinus delphis, in the eastern tropical Pacific. Canadian Journal of Zoology. 85: 108-121.

Stellar Sea Lions and other Pinnipeds 

Westlake, R., Perryman, W., and K. Ono. 1997. Comparison of vertical aerial photographic and ground censuses of Steller sea lions at Año Nuevo Island, July 1990-1993. Marine Mammal Science, 13(2):207-218.

Snyder, G., Pitcher, K., Perryman, W., and M. Lynn. 2001. Counting Steller sea lion pups in Alaska: An evaluation of medium-format, color aerial photography. Marine Mammal Science, 17(1): 136-146.

Pitman, R.L. and Durban, J.W. 2009. Save the Seal! Natural History. November 2009, 48.  

Gray Whales

Ford, J., Durban, J. Ellis, G. Towers, J. Pilkington, J., Barrett-Lennard, L., Andrews, R. 2012. New insights into the northward migration route of gray whales between Vancouver Island, British Columbia, and southeastern Alaska. Marine Mammal Science . DOI: 10.1111/j.1748-7692.2012.0057

Weller, D.W., Klimek, A., Bradford, A.L., Calambokidis, J., Lang, A.R., Gisborne, B., Burdin, A.M., Szaniszlo, W., Urbán, J., Gomez-Gallardo Unzueta, A., Swartz, S. and Brownell, R.L., Jr. 2012. Movements of gray whales between the western and eastern North Pacific. Endangered Species Research 18:193-199

Perryman, W., Donahue, M., Laake, J., and T. Martin. 1999. Diel variation in migration rates of eastern Pacific gray whales measured with thermal imaging sensors. Marine Mammal Science, 15(2):426-445.

Perryman, W., Donahue, M., Perkins, P., and S. Reilly. 2002. Gray whale calf production 1994-2000: Are observed fluctuations related to changes in seasonal ice cover? Marine Mammal Science, 18(1):121-144.

Durban, J. et al. 2010. Comparing two methods of shore-based counts of eastern North Pacific gray whales. Report to the Scientific Committee of the International Whaling Commission SC/62/BRG8.

Blue Whales

Olson, P.A., Ensor, P., Olavarria, C., Bott, N. Constantine, R., Weir, J., Childerhouse, S., van der Linde, M., Schmitt, N., Miller, B.S., and Double, M.C. 2015. New Zealand blue whales: information on residency, morphology, and feeding behavior of a little-known population. Pacific Science 69(4):477-485.

Torres-Florez, J.P., Olson, P.A., Bedriñana-Romano, L., Rosenbaum, H., Ruiz, J., LeDuc, R., and Hucke-Gaete, R. First documented migratory destination for Eastern South Pacific blue whales. 2015. Marine Mammal Science, 31(4):1580-1586.

Gilpatrick, J. and W. Perryman. 2008. Geographic variation in external morphology of North Pacific and Southern Hemisphere blue whales (Balaenoptera musculus). Journal of Cetacean Resource Management 10(1):9-21.


Pitman, R., Perryman, W., LeRoi, D., and E. Eilers. 2007. A dwarf form of Killer Whale in Antarctica. Journal of Mammalogy, 88(1):43-48.

Rehn, N. et al. 2010. Cross-cultural and cross-ecotype production of a killer whale 'excitement' call suggests universality. Naturwissenschaften. DOI 10.1007/s00114-010-0732-5.

 Foote, A.D. et al. 2010. Positive selection on the killer whale mitogenome. Biology Letters. DOI 10.1098/rsbl.2010.0638. 

Barrett-Lennard, L.G.,et al. Gray Whale Predation and Prolonged Feeding on Submerged Carcasses by Transient Killer Whales at Unimak Island, Alaska. Marine Ecology Progress Series, in press.

Olson, P.A., Ensor, P. and S. Kuningas. 2012. Observations of killer whales off east Antarctica, 082 - 095E, in 2009. Journal of Cetacean Research and Management 12(1):61-64

Pitman, R.L. et al. 2010. Observations of a distinctive morphotype of killer whale (Orcinus orca), type D, from subantarctic waters. DOI 10.1007/s00300-010-0871-3.  

Pitman, R.L and Durban. J.W. 2010. Killer whale predation on penguins in Antarctica. Polar Biology. DOI 10.1007/s00300-010-0853-5.

Durban, J. et al. 2010. Clustered mark-recapture analysis of mammal-eating killer whales around the Aleutian Islands and Gulf of Alaska. Marine Biology 157(7): 1591-1604.

Morin, P. A., et al. 2010. Complete mitochondrial genome analysis of killer whales (Orcinus orca) indicates multiple species. Genome Research 20:908–916.

Olson, Paula A., and Tim Gerrodette. 2008. Killer whales of the eastern tropical Pacific: a catalog of photo-identified individuals. U.S. Department of Commerce, NOAA Technical Memorandum NMFS, NOAA-TM-NMFS-SWFSC-428, 120 p 

Right Whales

LeDuc, R., Perryman, W., Gilpatrick, J., Hyde, J., Stinchcomb, C., Carretta, J., and R. Brownell. 2001. A note on recent surveys for right whales in the southeastern Bering Sea. Journal of Cetacean Resource Management (Special Issue) 2, 287-289.

Dwarf Sperm Whales

Chivers, S. J., R. G. LeDuc, K. M. Robertson, N. B. Barros, and A. E. Dizon. 2005. Genetic variation of Kogia spp. with preliminary evidence for two species of Kogia sima. Marine Mammal Science 21(4):619-634.

Bowhead Whales

Kellar, N. M., Keliher,J., Rosa, C., Trego, M. L., Hanns, C., and Suydam, R. (2013).  "Variation of bowhead whale progesteroneconcentrations across demographic groups and sample matrices" EndangeredSpecies Research 22:61-72

Fishery Bycatch

Archer, F. I., J. V. Redfern, T. Gerrodette, S. J. Chivers, and W. F. Perrin. 2010. A method for estimating relative exposure of dolphins to fishery activity in the Eastern Tropical Pacific. Marine Ecology Progress Series 410:245-255.

Chivers, S.J., R.W. Baird, D.J. McSweeney, D.L. Webster, N.M. Hedrick, and J.C. Salinas. 2007. Genetic variation and evidence for population structure in eastern North Pacific false killer whales (Pseudorca crassidens). Canadian Journal of Zoology 85:783-794.

Carretta, J. V., S. J. Chivers, and K. Danil. 2005. Preliminary estimates of marine mammal bycatch, mortality, and biological sampling of cetaceans in California gillnet fisheries for 2004. NOAA, NMFS, Southwest Fisheries Science Center Administrative Report LJ-05-10. 17pp.

Carretta, J.V., Price, T., Petersen, D., and Read, R. 2005. Estimates of marine mammal, sea turtle, and seabird mortality in the California drift gillnet fishery for swordfish and thresher shark, 1996-2002. Marine Fisheries Review 66(2):21-30.

Chivers, S. J., Robertson, K. M. and Henshaw, M. D. 1997. Composition of the incidental kill of cetaceans in two California gillnet fisheries: 1990-1995. Rep. Int. Whal. Comm. 47:909-15.

Last modified: 3/21/2016