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Ruffed and Hazel Grouse - George Miksch Sutton Avian Research ...

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nigra (L.), Black <strong>Grouse</strong> Tetrao tetrix (L.) <strong>and</strong> <strong>Hazel</strong> Hen Bonasa bonasia (L.) inLodz region (the results of an enquiry). Acta Universitatis Lodziensis FoliaBiologica et Oecologica 1:217-225. (in Polish with English summary).Helle, P., V. Belkin, L. Bjudnik, P. I. Danilov, <strong>and</strong> A. Jakimov. 2003.Metsakanalintukannat Suomessa ja Venajan Karjalassa. [Changes in grousepopulations in Finl<strong>and</strong> <strong>and</strong> Russian Karelia during recent decades.] SuomenRiista 49:32-43. (in Finnish with English summary).Helle, P., <strong>and</strong> J. Lindstrom. 1991. Censusing tetraonids by the Finnish wildlife trianglemethod: principles <strong>and</strong> some applications. Ornis Fennica 68:148-157.Herman, C. M., J. Hynson, <strong>and</strong> S. D. Schemnitz. 1972. Malaria in woodcock <strong>and</strong> <strong>Ruffed</strong><strong>Grouse</strong> in Maine. J. Wildl. Dis. 8:318.Herres, B. 1978. The <strong>Ruffed</strong> <strong>Grouse</strong>. Maryl<strong>and</strong> Conservationist 54(6):15-18.Hewitt, D. G. 1994. <strong>Ruffed</strong> <strong>Grouse</strong> nutrition <strong>and</strong> foraging in the southern Appalachians.PhD Dissertation. Virg. Polytech. Inst & State Univ.Hewitt, D. G. 1996. Review of <strong>Ruffed</strong> <strong>Grouse</strong> ecology <strong>and</strong> management withimplications for the Central Rocky Mountains. Utah State Univ. 48pp.Hewitt, D. G., D. M. Keppie, <strong>and</strong> D. F. Stauffer. 2001. Predation effects on forestgrouse recruitment. Wildl. Soc. Bull. 29:16-23.Hewitt, D. G., <strong>and</strong> R. L. Kirkpatrick. 1993. Ground nest predation <strong>and</strong> <strong>Ruffed</strong> <strong>Grouse</strong>densities in southwest Virginia. Wils. Bull. 105:521-524.Hewitt, D. G., <strong>and</strong> R. L. Kirkpatrick. 1996. Forage intake rates of <strong>Ruffed</strong> <strong>Grouse</strong> <strong>and</strong>potential effects on grouse density. Can. J. Zool. 74:2016-2024.Hewitt, D. G., <strong>and</strong> R. L. Kirkpatrick. 1997. Daily activity times of <strong>Ruffed</strong> <strong>Grouse</strong> insouthwestern Virginia. J. Field Ornithol. 68:413-420.Hewitt, D. G., <strong>and</strong> R. L. Kirkpatrick. 1997. <strong>Ruffed</strong> <strong>Grouse</strong> consumption <strong>and</strong>detoxification of evergreen leaves. J. Wildl. Manage. 61:129-139.Hewitt, D. G., N. W. Lafon, <strong>and</strong> R. L. Kirkpatrick. 1997. Effect of tannins on galliformcecal partitioning. Physiol. Zool. 70:175-180.Hewitt, D. G., <strong>and</strong> T. A. Messmer. 2000. <strong>Ruffed</strong> <strong>Grouse</strong> (Bonasa umbellus) foraging inaspen st<strong>and</strong>s during winter in northern Utah. Western North American Naturalist60:211-215.Hewitt, D. G., F. A. Servello, <strong>and</strong> R. L. Kirkpatrick. 1992. <strong>Ruffed</strong> <strong>Grouse</strong> food36

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