... that these signals are used as cohesion calls that function to maintain contact when the whales are moving or become separated, rather than a signal that initiates suckling. Furthermore, the acoustic signals were recorded at low amplitudes in a habitat with elevated ambient noise levels due to breaking waves, which...

...) and the marbled (Pomatoschistus marmoratus) gobies is adapted to enhance sound transmission and reception in Atlantic shallow water environments. We recorded and measured the sound pressure levels of social vocalisations of both species, as well as snapshots of ambient noise of habitats characterised by different...

... the article. COMPETING INTERESTS No competing interests declared. 23 4 2013 4 9 2013 © 2013. Published by The Company of Biologists Ltd 2013 selective encoding insect auditory interneuron katydid ambient noise novelty detection Reproductive isolation...

...-10 dB higher levels in the river compared to the sea (Loch Torridon, Scotland). Boussard(1981) observed ambient noise levels of 80-100 dB re 1 μPa (1/3-octave bands) in the River Meuse,Belgium. Lugli and Fine (2003)presented data on the ambient noise of two Italian rivers (Stirone stream,River...