Peter B. Sharpe

Research Ecologist

Publications

  • Poessel, S.A., Evgeny A. Bragin, P.B. Sharpe, David K. Garcelon, Kordian Bartoszuk, and Todd E. Katzner. 2018. Movements and landscape use of Eastern Imperial Eagles Aquila heliaca in Central Asia. Bird Study 65:208-218. HTTP

  • Newsome, S.D., P.W. Collins, and P.B. Sharpe. 2015. Foraging ecology of a reintroduced population of breeding Bald Eagles on the Channel Islands, California, USA, inferred from prey remains and stable isotope analysis. The Condor. 117:396–413. HTTP

  • Pagel, J. E., P. B. Sharpe, D. K. Garcelon, A. E. Little, S. K. Taylor, K. R. Faulkner, and C. S. Gorbics. 2012. Exposure of bald eagles to lead on the Northern Channel Islands, California. Journal of Raptor Research, 46(2):168-176. HTTP

  • Bragin, A. T. Katzner, P. Sharpe, D. Garcelon, and A. E. Bragin. 2008. Results of research on imperial eagle migrations from northern Kazakhstan. Research and conservation of birds of prey of northern Eurasia. Materials of the 5th international conference on birds of prey of northern Eurasia. Ivanovo, 4-7 February 2008. Ivanovo State University Press. Edited by V.M.Galushin, V.N.Melnikov, A.I.Shretaikov, D.I.Chudnenko. 360 p. In Russian.

  • Dooley, J. A., P. B. Sharpe, and D. K. Garcelon. 2005. Movements, foraging, and survival of bald eagles reintroduced on the Northern Channel Islands, California. Pages 313-322 in Garcelon, D. K. and C. A. Schwemm (eds). Proceedings of the Sixth California Islands Symposium, Ventura, California, December 1-3, 2003. National Park Service Technical Publication CHIS-05-01, Institute for Wildlife Studies, Arcata, California. 

  • Sharpe, P. B., and D. K. Garcelon. 2005. Restoring and monitoring bald eagles in southern California: the legacy of DDT. Pages 323-330 in Garcelon, D. K. and C. A. Schwemm (eds). Proceedings of the Sixth California Islands Symposium, Ventura, California, December 1-3, 2003. National Park Service Technical Publication CHIS-05-01, Institute for Wildlife Studies, Arcata, California.

  • Sharpe, P. B., and B. Van Horne. 1999. Relationships between the thermal environmental and activity of Piute ground squirrels (Spermophilus mollis). Journal of Thermal Biology 24:265-278.

  • Skagen, S.K., P. B. Sharpe, R.G. Waltermire, and M.B. Dillon. 1999. Biogeographical Profiles of Shorebird Migration in Midcontinental North America: Biological Science Report USGS/BRD/BSR--2000-0003, 167 pp. PDF

  • Van Horne, B, and P. B. Sharpe. 1998. Effects of tracking by armored vehicles on Townsend’s ground squirrels in the Orchard Training Area, Idaho. Environmental Management 22:617-623.

  • Sharpe, P. B., and B. Van Horne. 1998. Influence of habitat on behavior of Townsend's ground squirrels (Spermophilus townsendii). PDF

  • Van Horne, B., R. L. Schooley, and P. B. Sharpe. 1998. Influence of habitat, sex, age, and drought on the diet of Townsend's ground squirrels. Journal of Mammalogy 79:521-537. PDF

  • Sharpe, P. B., A. Woolf, and D. D. Roby. 1998. Raising tame ruffed grouse for field studies. American Midland Naturalist 139:39-48.

  • Schooley, R. L., P. B. Sharpe, and B. Van Horne. 1996. Can shrub cover increase predation risk for a desert rodent? Canadian Journal of Zoology 74:157-163. PDF

Technical Reports

  • Sharpe, P. B.. 2022. Bald Eagle and Golden Eagle Research on the California Channel Islands, January - December 2022. Unpublished report prepared by the Institute for Wildlife Studies, Arcata, California for the California Department of Fish and Wildlife. 29 pp. PDF

  • Sharpe, P.. 2022. Peregrine falcon monitoring on the California Channel Islands, California, 2022. Unpublished report prepared by the Institute for Wildlife Studies, Arcata, California for the California Department of Fish and Wildlife. 41 pp. PDF

  • Sharpe, P. B.. 2021. Bald Eagle and Golden Eagle Research on the California Channel Islands, January - December 2021. Unpublished report prepared by the Institute for Wildlife Studies, Arcata, California for the California Department of Fish and Wildlife. 25 pp. PDF

  • Sharpe, P.. 2021. Peregrine falcon monitoring on the California Channel Islands, California, 2021. Unpublished report prepared by the Institute for Wildlife Studies, Arcata, California for the California Department of Fish and Wildlife. 12 pp. PDF

  • Sharpe, P. B.. 2020. Bald Eagle and Golden Eagle Research on the California Channel Islands, January - December 2020. Unpublished report prepared by the Institute for Wildlife Studies, Arcata, California for the California Department of Fish and Wildlife. 19 pp. PDF

  • Sharpe, P.. 2020. Peregrine falcon monitoring on the California Channel Islands, California, 2020. Unpublished report prepared by the Institute for Wildlife Studies, Arcata, California for the California Department of Fish and Wildlife. 19 pp. PDF

  • Sharpe, P. B. and N. Melling. 2019. Bald Eagle and Golden Eagle Research on the California Channel Islands, January - December 2019. Unpublished report prepared by the Institute for Wildlife Studies, Arcata, California for the California Department of Fish and Wildlife. 26 pp. PDF

  • Sharpe, P. and N. Melling. 2019. Peregrine falcon monitoring on the California Channel Islands, California, 2019. Unpublished report prepared by the Institute for Wildlife Studies, Arcata, California for Montrose Settlements Restoration Program. 34 pp. PDF

  • Sharpe, P. B. and N. Melling. 2019. Bald Eagle and Golden Eagle Research on the California Channel Islands, January - December 2018. Unpublished report prepared by the Institute for Wildlife Studies, Arcata, California for the California Department of Fish and Wildlife. 23 pp. PDF

  • Sharpe, P. and N. Melling. 2019. Peregrine falcon monitoring on the California Channel Islands, California, 2018. Unpublished report prepared by the Institute for Wildlife Studies, Arcata, California for Montrose Settlements Restoration Program. 35 pp. PDF

  • Sharpe, P. B. 2018. Bald Eagle Restoration on the California Channel Islands, January - December 2017, 16th Annual Report. Unpublished report prepared by the Institute for Wildlife Studies, Arcata, California for the National Fish and Wildlife Foundation and Montrose Settlements Restoration Program. 21 pp. PDF

  • Sharpe, P. B. 2018. Peregrine falcon monitoring on the California Channel Islands, California, 2017. Unpublished report prepared by the Institute for Wildlife Studies, Arcata, California for Montrose Settlements Restoration Program. 44 pp. PDF

  • Sharpe, P. B. 2017. Bald Eagle Restoration on the California Channel Islands, January - December 2016, 15th Annual Report. Unpublished report prepared by the Institute for Wildlife Studies, Arcata, California for the National Fish and Wildlife Foundation and Montrose Settlements Restoration Program. 23 pp. PDF

  • Sharpe, P. B. 2017. Peregrine falcon monitoring on the California Channel Islands, California, 2016. Unpublished report prepared by the Institute for Wildlife Studies, Arcata, California for Montrose Settlements Restoration Program. 58 pp. PDF

  • Sharpe, P. B. 2016. Bald Eagle Restoration on the California Channel Islands, January - December 2015, 14th Annual Report. Unpublished report prepared by the Institute for Wildlife Studies, Arcata, California for the National Fish and Wildlife Foundation and Montrose Settlements Restoration Program. 23 pp. PDF

  • Sharpe, P. B. 2016. Peregrine falcon monitoring on the California Channel Islands, California, 2015. Unpublished report prepared by the Institute for Wildlife Studies, Arcata, California for Montrose Settlements Restoration Program. 52 pp. PDF

  • Sharpe, P. B. 2015. Bald Eagle Restoration on the California Channel Islands, January - December 2014, 13th Annual Report. Unpublished report prepared by the Institute for Wildlife Studies, Arcata, California for the National Fish and Wildlife Foundation and Montrose Settlements Restoration Program. 25 pp. PDF

  • Sharpe, P. B. 2015. Peregrine falcon monitoring on the California Channel Islands, California, 2014. Unpublished report prepared by the Institute for Wildlife Studies, Arcata, California for Montrose Settlements Restoration Program. 58 pp. PDF

  • Sharpe, P. B. 2014. Bald Eagle Restoration on the California Channel Islands, January - December 2013, 12th Annual Report. Unpublished report prepared by the Institute for Wildlife Studies, Arcata, California for National Park Service, Ventura, California. 25 pp. PDF

  • Sharpe, P. B. 2014. Peregrine falcon monitoring on the California Channel Islands, California, 2013. Unpublished report prepared by the Institute for Wildlife Studies, Arcata, California for Montrose Settlements Restoration Program. 60 pp. PDF

  • Sharpe, P. B. 2013. Bald Eagle Restoration on the California Channel Islands, January - December 2012, 11th Annual Report. Unpublished report prepared by the Institute for Wildlife Studies, Arcata, California for National Park Service, Ventura, California. 27 pp. PDF

  • Sharpe, P. B. 2012. Bald Eagle Restoration on the California Channel Islands, January - December 2011, 10th Annual Report. Unpublished report prepared by the Institute for Wildlife Studies, Arcata, California for National Park Service, Ventura, California. 27 pp. PDF

  • Sharpe, P. B. 2011. Bald Eagle Restoration on the California Channel Islands, January - December 2010, 9th Annual Report. Unpublished report prepared by the Institute for Wildlife Studies, Arcata, California for National Park Service, Ventura, California. 30 pp. PDF

  • Sharpe, P. B. 2010. Bald Eagle Restoration on the California Channel Islands, January - December 2009, 8th Annual Report. Unpublished report prepared by the Institute for Wildlife Studies, Arcata, California for National Park Service, Ventura, California. 25 pp. PDF

  • Sharpe, P. B. 2009. Bald Eagle Restoration on the California Channel Islands, January - December 2008, 7th Annual Report. Unpublished report prepared by the Institute for Wildlife Studies, Arcata, California for National Park Service, Ventura, California. 31 pp. PDF

  • Sharpe, P. B. 2008. Bald Eagle Restoration on the Northern Channel Islands, California, January - December 2007, 6th Annual Report. Unpublished report prepared by the Institute for Wildlife Studies, Arcata, California for National Park Service, Ventura, California. 24 pp. PDF

  • Sharpe, P. B. 2008. Restoration and Management of Bald Eagles on Santa Catalina Island, California, 2007. Contract report submitted to the Montrose Settlements Restoration Program. 15 pp. PDF

  • Sharpe, P. B. 2007. Bald Eagle Restoration on the Northern Channel Islands, California, January - December 2006, 5th Annual Report. Unpublished report prepared by the Institute for Wildlife Studies, Arcata, California for National Park Service, Ventura, California. 50 pp. PDF

  • Sharpe, P. B. 2007. Restoration and Management of Bald Eagles on Santa Catalina Island, California, 2006. Unpublished report prepared by the Institute for Wildlife Studies, Arcata California for Fish and Wildlife Service Office, Carlsbad, California. 15 pp. PDF

  • Sharpe, P. B. 2006. Bald Eagle Restoration on the Northern Channel Islands, California, January - December 2005, 4th Annual Report. Unpublished report prepared by the Institute for Wildlife Studies, Arcata, California for National Park Service, Ventura, California. 48 pp. PDF

  • Sharpe, P. 2006. Population Status and Golden Eagle Removal Efforts on Santa Cruz and Santa Rosa Islands 2005-2006. Report to The Nature Conservancy. 22 pp. PDF

  • Sharpe, P. B. 2006. Restoration and Management of Bald Eagles on Santa Catalina Island, California, 2005. Contract report submitted to the Montrose Settlements Restoration Program. 27 pp. PDF

  • Sharpe, P. B., J. Dooley, and D. K. Garcelon. 2005. Bald Eagle Restoration on the Northern Channel Islands, California, January - December 2004, 3rd Annual Report. Unpublished report prepared by the Institute for Wildlife Studies, Arcata, California for National Park Service, Ventura, California. 51 pp. PDF

  • Sharpe, P.B., J. Dooley, and D.K. Garcelon. 2004. Bald Eagle restoration on the Northern Channel Islands, California, May 2003-December 2003. 2nd annual report. Unpublished report prepared by the Institute for Wildlife Studies, Arcata, CA, for National Park Service, Ventura, CA. 45 pp. PDF

  • Sharpe, P.B., J. Dooley, and D.K. Garcelon. 2003. Bald Eagle restoration on the Northern Channel Islands, California, May 2002-April 2003. 1st annual report. Unpublished report prepared by the Institute for Wildlife Studies, Arcata, CA, for National Park Service, Ventura, CA. 30 pp. PDF

  • Sharpe, P.B. 2003. Restoration and management of Bald Eagles on Santa Catalina Island, California, 2003. Unpublished report by Institute for Wildlife Studies, Arcata, CA, for Montrose Settlements Restoration Program. 23 pp. PDF

  • Sharpe, P.B. 2002. Restoration and management of Bald Eagles on Santa Catalina Island, California, 2002. Unpublished report by the Institute for Wildlife Studies, Arcata, CA, for U.S. Fish and Wildlife Service, Sacramento, CA. 26 pp. PDF

  • Sharpe, P. B. 2001. Restoration of Osprey on Santa Catalina Island, California, 2001. Report submitted to the California Department of Fish and Game. 7 pp. PDF

  • Sharpe, P. B., and J. Dooley. 2001. Restoration and Management of Bald Eagles on Santa Catalina Island, California, 2001. Contract report submitted to the Damage Assessment Branch, U.S. Fish and Wildlife Service, Sacramento Fish and Wildlife Office. 27 pp. PDF

  • Sharpe, P. B., and D. K. Garcelon. 2000. Restoration and Management of Bald Eagles on Santa Catalina Island, California, 2000. Contract report submitted to the Damage Assessment Branch, U.S. Fish and Wildlife Service, Sacramento Fish and Wildlife Office. 26 pp. PDF

  • Valoppi, L, D. Welsh, D. Glaser, P. Sharpe, D. Garcelon, and H. Carter. 2000. Final predictive ecological risk assessment for the potential reintroduction of bald eagles to the Northern Channel Islands. Report to the Southern California Damage Assessment Trustee Council. U.S. Fish and Wildlife Service, Sacramento, CA. 103 pp.

  • Sharpe, P. B., and D. K. Garcelon. 2000. Restoration and Management of Bald Eagles on Santa Catalina Island, California, 1999. Contract report submitted to the Damage Assessment Branch, U.S. Fish and Wildlife Service, Sacramento Fish and Wildlife Office. 25 pp. PDF

  • Sharpe, P. B., and D. K. Garcelon. 1999. Restoration and Management of Bald Eagles on Santa Catalina Island, California, 1998. Contract report submitted to the Damage Assessment Branch, U.S. Fish and Wildlife Service, Sacramento Fish and Wildlife Office. 29 pp. PDF

  • Sharpe, P. B., and D. K. Garcelon. 1998. Restoration and Management of Bald Eagles on Santa Catalina Island, California, 1997. Contract report submitted to the Damage Assessment Branch, U.S. Fish and Wildlife Service, Sacramento Fish and Wildlife Office. 26 pp. PDF

  • Garcelon, D. K., and P. B. Sharpe. 1998. Research protocol to aid in the recovery of the San Clemente loggerhead shrike. Contract report submitted to the Southwest Division, Naval Facilities Engineering Command, San Diego, CA. 69 pp.

  • Sharpe, P. B., R. L. Schooley, and B. Van Horne. 1994. Behavior of Townsend's ground squirrels in different habitat types. Pages 188-199 in K. Steenhof, ed. Snake River Birds of Prey Area Research and Monitoring, Annual Report. U.S. Dept. Interior, Bureau Land Management, Boise, ID.

  • Sharpe, P. B., and B. Van Horne. 1993. Behavior of Townsend's ground squirrels in different habitat types. Pages 209-225 in K. Steenhof, ed. Snake River Birds of Prey Area Research and Monitoring, Annual Report. U.S. Dept. Interior, Bureau Land Management, Boise, ID.

  • Van Horne, B., R. L. Schooley, P. B. Sharpe, J. G. Corn, K. P. Burnham, G. S. Olson, P. G. Wilber, and D. W. Duszynski. 1992. Habitat relationships of Townsend's ground squirrels. Pages 166-246 in K. Steenhof, ed. Snake River Birds of Prey Area Research and Monitoring, Annual Report. U.S. Dept. Interior, Bureau Land Management, Boise, ID.

  • Sharpe, P. B., B. Van Horne, and E. C. Atkinson. 1991. Preliminary report on the behavior of Spermophilus townsendii in different habitat types. Pages 143-149 in K. Steenhof, ed. Snake River Birds of Prey Area Research and Monitoring, Annual Report. U.S. Dept. Interior, Bureau Land Management, Boise, ID.

Presentations and Posters

  • American Peregrine Falcon Recovery on the California Channel Islands. P. Sharpe. Catalina Island Conservancy Last Friday Lecture Series, 2019, Avalon, CA.

  • Peregrine Falcons Recover on the Channel Islands. P. Sharpe. From Sea to Shore Lecture Series, Channel Islands National Park, Ventura, CA. Presented at Santa Catalina Island Conservancy Symposium, 15 November, 2014, Long Beach, CA.

  • American Peregrine Falcon Recovery on the California Channel Islands. P.B. Sharpe. Presented at Santa Catalina Island Conservancy Symposium, 15 November, 2014, Long Beach, CA.
    Peregrine Falcons on the Channel Islands. P. Sharpe. Presented at From Sea to Shore Lecture Series, 8 October, 2014, Channel Islands National Park, Ventura, CA.
    http://www.nps.gov/chis/learn/photosmultimedia/2014sts.htm

  • Successful Restoration of Bald Eagles (Haliaeetus leucocephalus) on the California Channel Islands. P. Sharpe and D.K. Garcelon. Presented at the Raptor Research Foundation Conference, 24-28 September, 2014, Corpus Christi, TX.

  • American Peregrine Falcon Recovery on the California Channel Islands. P.B. Sharpe, J. Barnes, and D.K. Garcelon. Presented at Worldwide Raptor Conference, 21-24 October, 2013 Bariloche, Rio Negro, Argentina.

  • Bald Eagle Restoration and Recovery on the Channel Islands. P. Sharpe. Presented at From Sea to Shore Lecture Series, 8 November, 2012, Channel Islands National Park, Ventura, CA.
    http://www.nps.gov/chis/learn/photosmultimedia/2012sts.htm

  • Breeding Success by a Restored Population of Bald Eagles on the California Channel Islands. P. Sharpe and D. Garcelon. Presented at the 8th California Islands Symposium, 23-26 October, 2012, Ventura, CA.

  • Bald Eagle Restoration Success on the Channel Islands. P. Sharpe. Presented at the Santa Catalina Island Conservancy Symposium, 10 November, 2011, Long Beach, CA.

  • Bald eagle restoration and monitoring on the California Channel Islands.  P.B. Sharpe and D.K. Garcelon. Presented at The Wildlife Society, Western Section annual meeting, 9-11 February, 2011, Riverside, CA.

  • Current status, trends, and potential threats to the recovery of bald eagles in California and Nevada  P.B. Sharpe. Presented at Western Raptor Symposium, 8-9 February, 2011, Riverside, CA.

  • Bald eagles recovering from DDE impacts on the California Channel Islands. P. Sharpe and D. Garcelon. Presented at The Wildlife Society annual meeting, 20-24 September, 2009, Monterey, CA.

  • The reintroduction of bald eagles to the Channel Islands: a 30-year summary.  D.K. Garcelon and P. Sharpe.  Presented at the Raptor Research Foundation annual conference, 29 September–4 October, 2004, Bakersfield, CA.

  • Bald Eagle Restoration on the California Channel Islands. P.B. Sharpe and D.K. Garcelon. Presented at 7th California Islands Symposium, 5-7 February, 2008, Oxnard, CA.

  • Bald Eagle Restoration on the California Channel Islands. P. Sharpe and D.K. Garcelon. Presented at American Ornithologists' Union annual meeting, 8-11 August, 2007, Laramie, WY.

  • Bald eagle survivorship and movements on the northern Channel Islands, California. J.A. Dooley, D.T. Rempel, P.B. Sharpe, and D.K. Garcelon. Presented at North American Ornithological Conference annual meeting, 3-7 October, 2006, Veracruz, Mexico.

  • Twenty-five years of bald eagle restoration in southern California and the continuing effects of DDT. P.B. Sharpe. Presented at the Raptor Research Foundation annual meeting, 10-13 November, 2004, Bakersfield, CA.

  • Bald eagle restoration on the California Channel Islands: 30 years after the banning of DDT. P. Sharpe, J. Dooley, and D. Garcelon. Presented at The Wildlife Society, Western Section annual meeting, February 27-March 1, 2003, Irvine, CA.

  • Restoring and monitoring bald eagles in southern California: the legacy of DDT. P.B. Sharpe and D.K. Garcelon. Presented at 6th California Islands Symposium, 1-3 December, 2003, Ventura, CA.

  • Movements, foraging, and survival of bald eagles reintroduced on the Northern Channel Islands, California. J.A. Dooley, P.B. Sharpe, and D.K. Garcelon. Presented at 6th California Islands Symposium, 1-3 December, 2003, Ventura, CA.

  • Survival and movements of a reintroduced bald eagle population. P. Sharpe and D. Garcelon. Presented at Society for Conservation Biology annual meeting, 29 July-1 August, 2001, Hilo, HI.

  • Restoring Bald Eagles in Southern California. P. Sharpe. Presented at the 22nd Klamath Falls Bald Eagle annual conference, 16-18 February, 2001, Klamath Falls, OR.

  • Nesting behavior of bald eagles in a contaminated environment. P. Sharpe. Presented at American Ornithologist's Union annual meeting, 14-19 August, 2000, St. John's, Newfoundland.

  • Bald eagle restoration on the California Channel Islands: 30 years after the banning of DDT. L. Valoppi, D. Welsh, D. Glaser, P. Sharpe, D. Garcelon, and H. Carter. Presented at Society for Risk Assessment annual meeting, 3-6 December, 2000, Arlington, VA.

  • Can shrub cover increase predation risk and vigilance behavior of Spermophilus townsendii? P.B. Sharpe, R. Schooley, and B. Van Horne. Presented at American Society of Mammalogists annual meeting, 20-24 June, 1995, Burlington, VT.

  • Can shrub cover increase predation risk and vigilance behavior of Spermophilus townsendii? P. Sharpe. Presented at Guild of Rocky Mountain Population Biologists annual meeting, 1995, Nederland, CO.

  • Behavior/habitat relationships of Townsend's ground squirrels. P. Sharpe. Presented at Guild of Rocky Mountain Population Biologists annual meeting, 1993, Abiquiu, NM.

  • Behavior of Townsend's ground squirrels in the Snake River Birds of Prey Area, Idaho. P. Sharpe and B. Van Horne. Presented at American Society of Mammalogists, June 19-23, 1993, Bellingham, WA.

  • Behavior of Townsend's ground squirrels in the Snake River Birds of Prey Area, Idaho. P. Sharpe. Presented at Guild of Rocky Mountain Population Biologists annual meeting, 1992, Nederland, CO.

  • Ecology of ruffed grouse in southern Illinois. P. Sharpe. Presented at Guild of Rocky Mountain Population Biologists annual meeting, 1991, Nederland, CO.