Scientists studied a mammal that lived 250 million years ago and found they had an eardrum that could detect and react to ...
On discs: Library of Natural Socuds, Cornell Laboratory of Ornithology, in association with Conservation International. On cover of accompanying pamphlet: Sounds of ...
Of the roughly 250,000 known marine species, scientists think all ~126 marine mammals emit sounds – the ‘thwop’, ‘muah’, and ‘boop’s of a humpback whale, for example, or the boing of a minke whale.
"Prepared for: CNO(N45), Washington, D.C."--Cover. "November 2010"--Cover. "NPS-OC-10-004CR"--Cover. "Approved for public release; distribution unlimited"--Cover ...
NParks is developing guidelines to shield Singapore's marine mammals from underwater noise generated by coastal development ...