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Comparing depth and seabed terrain preferences of individually identified female humpback whales (Megaptera novaeangliae), with and without calf, off Maui, Hawaii
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2018
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Source: Marine Mammal Science, 34(4), 1097-1110
[PDF-666.04 KB]
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Journal Title:Marine Mammal Science
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NOAA Program & Office:
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Description:Differences in habitat preferences of females with and without dependent offspring have been well documented in several mammalian species (e.g., Main et al. 1996, Wolf et al. 2005, Ciuti et al. 2006, Walker et al. 2006, Pinard et al. 2012, Craig et al. 2014). In some studies, such differences have been reported by observing changes in behavior by individual females. For example, in Alpine ibex (Capra ibex) individually identified females had significantly smaller home ranges during summer months when they were with a kid than without (Grignolio et al. 2007). Potential factors contributing to a female with offspring segregating from others into a habitat that is different from that which it would occupy when without offspring include predator avoidance (e.g., Main et al. 1996, Ciuti et al. 2006, Walker et al. 2006, Pinard et al. 2012), limitations in offspring mobility and activity budgets (Grignolio et al. 2007), access to better food resources (including fresh water for land-dwelling mammals) (Rachlow and Bowyer 1998), avoidance of harassment by males prospecting for mating opportunities (e.g., Wolf et al. 2005, Craig et al. 2014), and/or promotion of maternal-offspring bonding (Lent 1974, Schwede et al. 1993).
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Source:Marine Mammal Science, 34(4), 1097-1110
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DOI:
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ISSN:0824-0469;1748-7692;
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Rights Information:Accepted Manuscript
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Compliance:Library
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