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• W2095685763 abstract "AB Aquatic Biology Contact the journal Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout the JournalEditorsTheme Sections AB 6:109-120 (2009) - DOI: https://doi.org/10.3354/ab00170 Geographic variation in vocalizations of pups and mother-pup behavior of harp seals Pagophilus groenlandicus I. C. Van Opzeeland1,*, P. J. Corkeron2, D. Risch3, G. Stenson4, S. M. Van Parijs2,3 1Ocean Acoustics Lab, Alfred Wegener Institute, Am alten Hafen 26, 27568 Bremerhaven, Germany 2Bioacoustics Research Program, Cornell Lab of Ornithology, 159 Sapsucker Woods Road, Ithaca, New York 14850, USA 3Northeast Fisheries Science Center, NOAA, 166 Water Street, Woods Hole, Massachusetts 02543, USA 4Dept. of Fisheries and Oceans, Northwest Atlantic Fisheries Center, PO Box 5667, St. John’s, Newfoundland A1C 5X1, Canada *Email: ilse.van.opzeeland@awi.de ABSTRACT: All harp seal populations form breeding aggregations on the Arctic pack ice. However, pack ice conditions vary spatially and temporally among these aggregations with variation in environmental and oceanographic conditions, which may affect the behavioral interactions between mothers and their newborn pups. We investigated the variation in mother-pup behavior between harp seal breeding aggregations in the NE (Greenland Sea) and NW Atlantic coastal shelf region (Front). Acoustic cues provided by the pups are thought to be important in facilitating reunions with their mothers. Consequently, we measured variation in vocal parameters among seals to investigate geographic differences in pup vocalizations. Classification trees showed a distinctive split between Front and Greenland Sea pup vocalizations. There were no clear differences between male and female pups at the Front, where 42% of male and 38% of female pup calls could be attributed to a given individual. This contrasts with the Greenland Sea, where 55% of vocalizations of female pups were attributed to individuals compared with only 8% for males. Analyses of behavioral observations of mother-pup pairs made in the afternoon and evening showed that pups in the Greenland Sea suckled more and were more alert than pups in the Front. Further, mother-pup attendance patterns differed between sites. Mothers at the Front attended their pups 85.1% of the time, whereas mothers in the Greenland Sea attended their pups 52.2% of the time. These substantial differences between sites might be related to evolutionary changes in behavior resulting from commercial hunting or variable environmental conditions. KEY WORDS: Harp seal · Pagophilus groenlandicus · Pup vocalizations · Mother-pup behavior · Geographic variation · Climate change Full text in pdf format PreviousNextCite this article as: Van Opzeeland IC, Corkeron PJ, Risch D, Stenson G, Van Parijs SM, (2009) Geographic variation in vocalizations of pups and mother-pup behavior of harp seals Pagophilus groenlandicus. Aquat Biol 6:109-120. https://doi.org/10.3354/ab00170 Export citation RSS - Facebook - Tweet - linkedIn Cited by Published in AB Vol. 6. Online publication date: July 15, 2009 Print ISSN: 1864-7782; Online ISSN: 1864-7790 Copyright © 2009 Inter-Research." @default.
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• W2095685763 title "Geographic variation in vocalizations of pups and mother-pup behavior of harp seals Pagophilus groenlandicus" @default.
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