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Showing 1 to 4 of 4 for “"belugas"”.
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Social behaviour of captive belugas, Delphinapterus leucas
… animals were adapted for studying captive belugas, providing quantitative descriptions of social relationships .among individuals. Five groups of captive belugas were observed, allowing a cross-sectional view of sociality in groups of diverse sizes and compositions. Inter-individual …
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Social behaviour of captive belugas, Delphinapterus leucas
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Biology, 1994.
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Examining Individual Identity in Beluga Whale (Delphinapterus leucas) Acoustic Repertoires as a Function of Call Type
… playback experiments with five belugas at Georgia Aquarium, supplemented with calls from an outgroup at Oceanogràfic de Valencia. Responses were measured as the number and duration of looks and approaches toward the speaker and analyzed with generalized linear mixed models. …
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Concentrations and Interactions of Selected Elements in Tissues of Four Marine Mammal Species Harvested by Inuit Hunters in Arctic Alaska, With an Intensive Histologic Assessment, Emphasizing the Beluga Whale
… regions of whales with lower tissue Hg. In belugas with higher hepatic Hg, metal grains were most abundant periportally, but also found pericentrally and midzonally. Metal grains concentrated in stellate macrophages, with much lower numbers in hepatocytic cytoplasm. Staining intensities …