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Publications

Van Hemert, C. R. and C. M. Handel. 2016. Elements in whole blood of Northwestern Crows (Corvus caurinus) in Alaska: No evidence for an association with beak deformities. Journal of Wildlife Diseases In Press. doi:10.7589/2015-10-287 [Details] [Full Publication]

Zylberberg, M., C. R. Van Hemert, J. P. Dumbacher, C. M. Handel, T. Tihan, and J. L. DeRisi. 2016. Novel picornavirus associated with avian keratin disorder in Alaskan birds. mBio 7(4):e00874-16. doi:10.1128/mBio.00874-16 [Details] [Full Publication]

Handel, C. M. and C. R. Van Hemert. 2015. Environmental contaminants and chromosomal damage associated with beak deformities in a resident North American passerine. Environmental Toxicology and Chemistry 34(2):314-327. doi:10.1002/etc.2799 [Details] [Full Publication]

Van Hemert, C. R., A. G. Armien, J. E. Blake, C. M. Handel, and T. M. O'Hara. 2013. Macroscopic, Histologic, and Ultrastructural Lesions Associated With Avian Keratin Disorder in Black-Capped Chickadees (Poecile atricapillus). Veterinary Pathology 50(3):500-513. doi:10.1177/0300985812469637 [Details] [Full Publication]

Van Hemert, C. R., C. M. Handel, and D. M. O'Brien. 2012. Stable isotopes identify dietary changes associated with beak deformities in Black-capped Chickadees (Poecile atricapillus). The Auk 129(3):460-466. doi:10.1525/auk.2012.12037 [Details] [Full Publication]

Van Hemert, C. R., C. M. Handel, and T. M. O'Hara. 2012. Evidence of accelerated beak growth associated with avian keratin disorder in Black-capped Chickadees (Poecile atricapillus). Journal of Wildlife Diseases 48(3):686-694. [Details] [Full Publication]

Van Hemert, C., C. M. Handel, J. E. Blake, R. M. Swor, T. M. O'Hara. 2012. Microanatomy of passerine hard-cornified tissues: Beak and claw structure of the black-capped chickadee (Poecile atricapillus). Journal of Morphology 273(2): 226–240. [PDF file 2.49 MB]

D'Alba, L., C. R. Van Hemert, C. M. Handel, and M. D. Shawkey. 2011. A natural experiment on the condition-dependence of achromatic plumage reflectance in Black-capped Chickadees. PLoS One 6(10):e25877. doi:10.1371/journal.pone.0025877 [Details] [Full Publication]

Handel, C. M., L. M. Pajot, S. M. Matsuoka, C. Van Hemert, J. Terenzi, S. L. Talbot, D. M. Mulcahy, C. U. Meteyer, and K. A. Trust. 2010. Epizootic of beak deformities among wild birds in Alaska: An emerging disease in North America? Auk 127(4):882-898. (11.9mb PDF high resolution) or (719kb PDF lower resolution)

Van Hemert, C. R. and C. M. Handel. 2010. Beak deformities in Northwestern Crows: Evidence of a multispecies epizootic. The Auk 127(4):746-751. doi:10.1525/auk.2010.10132 [Details] [Full Publication] [PDF file 976 KB] [Online Supplement 134 KB]

Van Hemert, C. 2007. Alaskan birds at Risk: Widespread beak deformities in resident species. American Birding. 39(5):48-55. [PDF file 977 KB]

Handel, C. M., L. M. Pajot, S. M. Matsuoka, K. A. Trust, J. M. Stotts, J. Terenzi, and S. L. Talbot. 2006. Potential Role of Environmental Contaminants in the Pathology of Beak Deformities among Black-capped Chickadees in South-central Alaska. Unpublished final report. Project ID: 1130-7F22. U. S. Geological Survey, Alaska Science Center, Anchorage, Alaska. [PDF - 15 MB]

Handel, C. M., L. M. Pajot, S. L. Talbot, and G. K. Sage. 2006. Use of buccal swabs for sampling DNA from nestling and adult birds. Wildlife Society Bulletin 34(4):1094-1100. [PDF - 701KB]

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Black-capped Chickadee with upper mandible curved downward - photo by Joy Geiselman, USGS
Black-capped Chickadee - photo by Joy Geiselman

 

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