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Janet Linthicum

Janet Linthicum


Janet passed away in January of 2016. Her obituary is located in her literature section below.

She worked on various conservation and research projects involving raptors in California since 1983. As a member of the UC Santa Cruz Predatory Bird Research Group, she was Propagation Specialist during its captive propagation and release efforts involving Peregrine Falcons, Harris's Hawks, Aplomado Falcons, and Elf Owls, among other species. She maintained the data and produced contract and permit reports for all activities undertaken by the Group. Fieldwork included pioneering studies Peregrine Falcon nesting behavior, Bald Eagle ecology in California and Arizona for Biosystems Analysis Inc,, Peregrine Falcon manipulations and reintroductions, and California Condor tracking and provisioning through Audubon at the nadir of the remnant condor population in the 1980s.

The Bird Group
P.O. 8084  
Santa Cruz,  CA  95061  United States

   Research Interests

Peregrine and other species captive breeding and release, bald eagle studies, early CA condor work when trapping last adults, bald eagle migration, data of peregrine nesting in California with CDFG and USFWS. peregrine post-delisting nesting surveys, wintering burrowing owls.

Species of Interest: 
  • Elf Owl
  • Burrowing Owl
  • California Condor
  • Bald Eagle
  • Golden Eagle
  • Aplomado Falcon
  • Peregrine Falcon
  • Gyrfalcon


Pagel, J.E., W.G. Hunt, L.F. Kiff. 2016. In memoriam Janet Louise Linthicum 1960-2016. Journal of Raptor Research 50(2):239-240.       pdf


Cade, T.J., J.H. Enderson, and J. Linthicum. 1996. Guide to management of Peregrine Falcons at the eyrie. The Peregrine Fund, Boise, ID.

Holden, A., J. S. Park, T. Chin, G. Choi, V. Chu, M. Kim, P. Patel, A. Rhee, Y. Shi, J. Linthicum, and K. Hooper. 2008. Congener patterns of higher brominated PBDEs in biotic and abiotic matrices: evidence for BDE-209 debromination. Organohalogen Compounds 70:1036-1039.

Pagel, J.E., J. Linthicum, and P.H. Bloom. 2008. Brian James Walton, 1951-2006. Journal of Raptor Research 42:75-76.

Holden, A., J.-S. Park, V. Chu, M. Kim, G. Choi, Y. Shi, T. Chin, C. Chun, J. Linthicum, B.J. Walton, and K. Hooper. 2009. Unusual hepta- and octabrominated diphenyl ethers and nonabrominated diphenyl ether profile in California, USA, Peregrine Falcons (Falco peregrinus): more evidence for brominated diphenyl ether-209 debromination. Environmental Toxicology and Chemistry 28:1906-1911.        pdf

Hooper, K., A. Holden, C. Chun, J. Linthicum, and B. Walton. 2007. “Terrestrial” vs. “aquatic” food webs: high BDE-209 levels in Peregrine Falcon eggs from California. 2007. Organohalogen Compounds. 69:2715-2718.

Jarman, W.M., S.A. Burns, C.E. Bacon, J. Rechtin, S. DeBenedetti, J.L. Linthicum, and B.J. Walton. 1996. High levels of HCB and DDE associated with reproductive failure in Prairie Falcons (Falco mexicanus) from California. Bulletin of Environmental Contamination and Toxicology 57:8-15.

Jarman, W.M., S.A. Burns, R.R. Chang, R.D. Stephens, R.J. Norstrom, M. Simon, and J. Linthicum. 1993. Determination of PCDDs, PCDFs, and PCBs in California Peregrine Falcons (Falco peregrinus) and their eggs. Environmental Toxicology and Chemistry 12:105-114.

Kauffman, M.J., W.F. Frick, and J. Linthicum. 2003. Estimation of habitat-specific demography and population growth for Peregrine Falcons in California. Ecological Applications 13:1802-1816.       pdf

Latta, B.C., D.E. Driscoll, J.L. Linthicum, R.E. Jackman, and G. Doney. 2005. Capture and translocation of Golden Eagles from the California Channel Islands to mitigate depredation of endemic Island Foxes. Pp. 341-350 in D.K. Garcelon and C.A. Schwemm (eds.), Proceedings of the Sixth California Islands Symposium, Ventura, California, December 1-3, 2003. National Park Service Technical Publications CH15-05-01, Institute for Wildlife Studies, Arcata, CA.       pdf

Linthicum, J.L. 1992. Artificial incubation of Peregrine Falcon eggs. Pp. 24-28 in J.E. Pagel (ed.), Proceedings; symposium on Peregrine Falcons in the Pacific Northwest. Rogue River National Forest, Medford, OR.

Linthicum, J., R.E. Jackman, B.C. Latta, J. Koshear, and M. Smith. 2007. Annual migrations of Bald Eagles to and from California. Journal of Raptor Research 41:106-112.       pdf

Linthicum, J.L., W.M. Jarman, B.J. Walton, R.W. Risebrough, L.F. Kiff, and J.S. Minton. 1994. Weight loss during artificial incubation vs. eggshell thinning of California Peregrine Falcon Falco peregrinus eggs brought from the wild. Pp. 761-765 in B.-U. Meyburg and R.D. Chancellor (eds.), Raptor conservation today. World Working Group for Birds of Prey, Berlin, and Pica Press, London.

Newsome, S.D., J.-S. Park. B.W. Henry, A. Holden, M.L. Fogel, J. Linthicum, V. Chu, and K. Hooper. 2010. Polybrominated diphenyl ether (PBDE) levels in Peregrine Falcon (Falco peregrinus) eggs from California correlate with diet and human population density. Environmental Science and Technology 44:5248-5255.       pdf

Park, J.-S., A. Fong, V. Chu, A. Holden, J. Linthicum, and K. Hooper. 2010. Prey species as possible sources of PBDE exposures for Peregrine Falcon (Falco peregrinus) nesting in major California cities. Archives of Environmental Contamination and Toxicology DOI 10.1007/s00244-010-9546-x.       pdf

Park, J.-S., A. Holden, V. Chu, M. Kim, A. Rhee, P. Patel, Y. Shi, J. Linthicum, B.J. Walton, K. McKeown, N.P. Jewell, and K. Hooper. 2009. Time-trends and congener profiles of PBDEs and PCBs in California Peregrine Falcons (Falco peregrinus). Environmental Science and Technology 43:8744-8751.       pdf

Walton, B., J. Linthicum, and G. Stewart. 1988. Release and re-establishment techniques developed for Harris' Hawks -- Colorado River 1979-1986. Pp. 318-320 in R.L. Glinski, B.G. Pendleton, M.B. Ross, M.N. LeFranc, B.A. Millsap, and S.W. Hoffman (eds.), Proceedings of the Southwest Raptor Management Symposium and Workshop. National Wildlife Federation, Washington, D.C.

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