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Killer whales, blind bats, discriminating dolphins, mating birds
Date:6/25/2008

sels and swimmers on the behavior of spinner dolphins [Paper 1pAB2]. And NOAA's Marla Holt (marla.holt@noaa.gov) will present new result from her investigation of noise effects on the call amplitude of endangered killer whales. [Paper 1pAB6].

  • Paper 1aID1, "How sound from human activities affects marine mammals" will be presented at 10:30 a.m. on Monday, June 30 in room 342B.
  • Paper 1pAB3, "Effects of sound on the behavior of toothed whales" will be presented at 1:40 p.m. on Monday, June 30 in room 342B.
  • Paper 1pAB7, "Effects of noise on hearing in odontocetes" will be presented at 3:00 p.m. on Monday, June 30 in room 342B.
  • Paper 1pAB2, "Effects of vessels and swimmers on the spinner dolphins (Stenella longirostris) off the Big Island of Hawaii" will be presented at 1:20 p.m. on Monday, June 30 in room 342B.
  • Paper 1pAB6, "Investigating noise effects on the call amplitude of endangered Southern Resident killer whales (Orcinus orca)." will be presented at 2:40 p.m. on Monday, June 30 in room 342B,

2) BIRDS CHANGING THEIR TUNE.

With urban noise on the rise as human activity encroaches further and further into the natural habitats of wildlife, how flexible a species is in terms of acoustic adaptation could determine which birds will remain common in urban environments in the future, and which will retreat to quieter habitats. Hans Slabbekoorn (H.W.Slabbekoorn@Biology.LeidenUniv.NL) of Leiden University in The Netherlands studies variations in birdsong; birds rely on these vocalizations to defend their territory and attract a mate, but more and more avian breeding areas are being affected by human activities. Some birds have developed counter strategies involving changes in loudness, pitch, and timing of their birdsong. Observational data collected to date have revealed
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Contact: Jason Bardi
jbardi@aip.org
301-209-3091
American Institute of Physics
Source:Eurekalert

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