Bird details
Mute Swan
Cygnus olor
“no song at all — just hissing, grunting and singing wings”
Far from mute: hearing one hiss is often a strong suggestion to make yourself scarce.
Read more on WikipediaBird details
Cygnus olor
“no song at all — just hissing, grunting and singing wings”
Far from mute: hearing one hiss is often a strong suggestion to make yourself scarce.
Read more on Wikipedia