Silence as an Antipredation Strategy by Weddell Seals

• Main Authors: Thomas, Jeanette A., Ferm, Lisa M., Kuechle, Valerian B.
• Other Authors: NAVAL OCEAN SYSTEMS CENTER SAN DIEGO CA
• Format: Text
• Language: English
• Published: 1989
• Subjects: Biological Oceanography; Acoustics; *SEALS(MAMMALS); *UNDERWATER SOUND SIGNALS; *MARINE BIOLOGICAL NOISE; EDGES; ISOLATION; RATES; ACOUSTIC DETECTION; SEASONAL VARIATIONS; ICE; HABITATS; COLONIES(BIOLOGY); QUIET; ANTARCTIC REGIONS; WHALES; STABILIZED PLATFORMS; BREEDING; RISK; ICE BREAKUP; REPRINTS; POSITION(LOCATION); WEDDELL SEALS; SILENCE; Antarctic; Austral; McMurdo Sound; McMurdo Station; Weddell; Antarc*; Antarctica; Leopard Seals; Weddell Seal; Weddell Seals
• Online Access: http://www.dtic.mil/docs/citations/ADA208289; http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA208289

In McMurdo Sound, Antarctica, Weddell seals return to traditional breeding colonies on shorefast ice each austral spring. This fast ice provides a stable platform, over a 2-month period, for raising pups and a fixed location for establishing underwater mating territories. However, it also may provid...