A pair of mute swans, Cygnus olor, courting in spring. Curving necks form a heart shape.

- Image ID: BNCGA5
A pair of mute swans, Cygnus olor, courting in spring. Curving necks form a heart shape.
Louise Heusinkveld / Alamy Stock Photo
Image ID: BNCGA5
Mute swans are an introduced species in North America, and in some regions they are considered invasive, although they are still protected in many areas. See also CBBFRX
Location: Victoria, British Columbia, Canada