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Pre-1941 Eggshell Characteristics of Some Birds

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/22416

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dc.creator Osborne, David R. en_US
dc.creator Winters, R. en_US
dc.date.accessioned 2006-07-07T01:34:49Z
dc.date.available 2006-07-07T01:34:49Z
dc.date.issued 1977-01 en_US
dc.identifier.citation The Ohio Journal of Science. v77, n1 (January, 1977), 10-23 en_US
dc.identifier.issn 0030-0950 en_US
dc.identifier.uri http://hdl.handle.net/1811/22416
dc.description Author Institution: Department of Zoology, Miami University en_US
dc.description.abstract Parameters and techniques used to characterize avian eggshells are reviewed. Elongation, volume and thickness indices were calculated to estimate the shape and size of 1145 eggs (328 sets) representing 18 orders, 54 families and 253 species of the Clark K. Lloyd Collection at Miami U., Oxford, Ohio. The study includes eggs of species from 13 countries and 37 states collected prior to the widespread use of pesticides. Fifty four species came from Ohio and 43 from California. Sixteen species are considered rare or endangered, or have declining populations. A comparison of egg volumes as determined by Paganelli et al (1974) was made and differences ranged from 0.7% to 22%. en_US
dc.format.extent 844871 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US
dc.title Pre-1941 Eggshell Characteristics of Some Birds en_US