whistler

noun

1.
someone who makes a loud high sound
Derived from:
whistle
2.
large North American mountain marmot
hoary marmot Marmota caligata whistling marmot
3.
large-headed swift-flying diving duck of Arctic regions
Bucephala clangula Bucephela clangula goldeneye
4.
Australian and southeastern Asian birds with a melodious whistling call
thickhead