Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 4 of 4 for “"ratite"”.
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Triple oxygen isotope measurements by tunable infrared laser direct absorption spectroscopy, and applications to ratite eggshell
… and analytical systems, it is applied to fossil ratite eggshell (RES) samples spanning the mid-Miocene through Quaternary Namib environments. A data correction scheme for relating TILDAS measurements to the VSMOW2-SLAP2 scale is also introduced. Applying this correction, analyses of the …
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The Allometry of Giant Flightless Birds
… equations generated for anseriforms and ratites suggest mid-shaft femur circumference is the best measure to use in estimating avian body mass. The small sample size of extant ratites makes mass estimate extrapolation to larger extinct species inaccurate. The division of ratites into …
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The metabolic profile of cardiac and skeletal muscle tissue from captive emus (Dromaius novaehollandiae) raised in northern Colorado: implications for assessing muscle health for emus with splayed-leg disorder
… into the enzymatic profile of domesticated ratite (group of paleognathous flightless birds that includes emus) cardiac tissue. This thesis established the first ratite cardiac metabolic profile by determining the myoglobin concentration (3.41 ± 0.06 mg g-1 wet tissue) and activities of …
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Palaeobiology and flight capacity of volant palaeognaths (Pan-Palaeognathae: Lithornithidae): implications for the common ancestor of extant palaeognaths and early crown birds
… bird diversity comprises the flightless ratites (ostriches, rhea, kiwi, cassowaries, and emu), as well as the partridge-like tinamous that fly powerfully over short distances. As the sister clade of all other crown birds (Neognathae), insight into the biology of early palaeognaths may …