Sawbill
Like the other mergansers, these fish-feeding ducks have serrated edges to their bills to help them grip their prey, so they are often known as "sawbills".
Mergus serrator
Mergus serrator
Golden-crowned kinglet.
Rondeau Provincial Park, Ontario, Canada, Oct 22, 2021. Flitting though the hedge, dashing to the water and gone again. Elapsed time 3 seconds or less. Regulus satrapa Though barely larger than a hummingbird, this frenetically active bird can survive –40 degree nights, sometimes huddling together for warmth. source- Cornell Lab of Ornithology.
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