The whooper swan, like its onomatopoeic Cousins, the whistling and the trumpeter, belongs to an elegant society of sisters; the mute, Bewick's, black, and black-necked fill out the ranks.
The whooper swan, like its onomatopoeic Cousins, the whistling and the trumpeter, belongs to an elegant society of sisters; the mute, Bewick's, black, and black-necked fill out the ranks.