Pine siskin

Rondeau Provincial Park, Ontario, Canada, Mar 13,2022.
We have had a good year for siskins so far.
Now they are showing more colour on their wings.


Spinus pinus
Pine Siskins get through cold nights by ramping up their metabolic rates—typically 40% higher than a “normal” songbird of their size. When temperatures plunge as low as –70°C (–94°F), they can accelerate that rate up to five times normal for several hours. They also put on half again as much winter fat as their Common Redpoll and American Goldfinch relatives.
Source - Cornell Lab of Ornithology.

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