- Whistler, James Abbott McNeill Whistler - United States painter (1834-1903)
--1 is a kind of painter
- whistler - makes a loud high sound
--2 is a kind of signaler, signaller
Derived forms: verb whistle1, verb whistle3 - hoary marmot, whistler, whistling marmot, Marmota caligata - large North American mountain marmot
--3 is a kind of marmot
- goldeneye, whistler, Bucephela clangula - large-headed swift-flying diving duck of arctic regions
--4 is a kind of duck
--4 is a member of Bucephala, genus Bucephala
--4 has particulars: Barrow's goldeneye, Bucephala islandica - thickhead, whistler - Australian and southeastern Asian birds with a melodious whistling call
--5 is a kind of Old World flycatcher, true flycatcher, flycatcher
--5 is a member of Pachycephala, genus Pachycephala