American tree sparrow



 American tree sparrow, Rondeau Provincial Park, Ontario, Canada, December 19, 2023.

Not rare but it is what is coming to the yard these days,

Spizelloides arborea

American Tree Sparrows need to take in about 30 percent of their body weight in food and a similar percentage in water each day. A full day's fasting is usually a death sentence. Their body temperature drops and they lose nearly a fifth of their weight in that short time.

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