Dolphins Have Longest Memories in Animal Kingdom
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The need for action on underwater noise pollution is loud and
Dolphins struggling to communicate due to noise pollution
Dolphins 'shout' over loud underwater noise to complete a
Dolphins 'shout' to get heard over noise pollution - BBC News
Indo-Pacific (inshore) bottlenose dolphin
Threats to Dolphins - Dolphin Way
Dolphins 'forced to shout' over noise pollution which could
Dolphins struggling to communicate due to noise pollution
Waste incinerator threatens Hong Kong's finless porpoises, the
Ancient Balloon-Headed Dolphin Found by Fishers