Tundra and Trumpeter Swans

Adult Trumpeter Swan (left) and adult Tundra Swan (right) showing larger size difference of Trumpeter and different bill shape. Tommy Thompson Park in Toronto on 17 December 2017.

These two Tundra Swans have been at Tommy Thompson since the fall migration (not sure when they first arrived). Tommy Thompson Park in Toronto on 17 December 2017.

This Tundra is a known bird with a pale left eye. Tommy Thompson Park on 17 December 2017

Note yellow on bill and rounder, shallower shape of the facial skin between the eyes compared to deeper V shaped facial skin on Trumpeter below. Tommy Thompson Park on 17 December 2017.

Photo shows deeper V shaped facial skin on Trumpeter below. Tommy Thompson Park on 17 December 2017.

Two adult Trumpeter Swans at the swing bridge in Tommy Thompson Park on 17 December 2017