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Analysis of Stable Isotopes of Hydrogen to Determine Migrational Source of Silver-Haired Bats (Lasionycteris noctivagans) in Alabama
Hirt, Samuel (2008-08-15)
Signatures of deuterium obtained from claws of 21 silver-haired bats (Lasionycteris noctivagans) were used to estimate the nearest probable pre-migratory location of these bats. For 5 consecutive weekends beginning 28 ...
Sexual Dimorphism, the Big-Mother Hypothesis, and Analyses of Hormones, Minerals, and Stable Isotopes to Determine Reproductive Events in Bowhead Whales (Balaena mysticetus)
Hirt, Samuel (2015-12-03)
Baleen from bowhead whales (Balaena mysticetus) provided an opportunity to study reproduction and sexual dimorphism via analyses of hormones, minerals, and stable-isotopes. Concentration of progesterone in baleen was ...