Peter Ilich Tchaikovsky did not, after all, write Duck Pond. The whooper swan, like its onomatopoeic cousins, the whistling and the trumpeter, belongs to an elegant society of sisters; the mute ...

But biologist Chris Perrins disagrees: “Find me a kinky human, and I’ll find you a ... It’s thought to derive from the sound a Whooper swan might make as it gasps for breath – a descending ...

Cui Liang, marketing director of Shengtian Lake in Ruicheng county, Yuncheng, Shanxi, told China Daily that the whooper swan is a rare species in China and is classified as a second-class ...