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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

Mute Swan or Tundra Swan? (1 Viewer)

This is a Mute. Bill shape (including the beginnings of the "knob"), black lores (the bit connecting bill and eyes) and a generally more "curvy" appearance, in particular neck posture (OK not too far off straight in this bird, but it would be much straighter, and less flexible-looking, in a Tundra or Whooper/Trumpeter) are the easy ways to tell...
 
Mute Swan. The head / bill shape on Tundra is noticeably triangular, Mute Swan has an all black bill as a juvenile and the bare lores are more extensive
 
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