This is an older painting of mine, and the rhododendrons certainly in bloom, but I felt compelled to write about this week’s freeze and the little birds in our meadow.
From coast to coast, I know we’ve all had amazing weather this past week. The southern storms drove a giant blast of Canadian air down and west over the Cascades, and here we’ve had record lows for a week. Temps haven’t gotten out of the twenties, with nights down into the lower teens, weather we just don’t ever get in Puget Sound. None of us have clothes for this stuff. And while we’ve all been suffering, that can’t be anything compared to what our two wintering-over Anna’s hummingbirds must be experiencing. For all my decades around the Northwest, I’ve never seen hummers here in winter, but last year we had one stay all season, and we’ve heard we’re not alone with this. We put out a feeder when we spotted him, but it wasn’t because of the sugar water that he was here, because we put it out AFTER we spotted him. This year we have an adult and a juvie, and we were ready with a feeder (and a 150w flood lamp on it 24 hours a day after the freeze hit). So far it’s working.
I wrote about hummers a few years ago, and learned that they have ways to cope with this cold stuff. They have normal body temps of about 105-108F, with a sitting heart rate of about 250 beats per minute. However, at night they sleep normally, or, they can go into a turbid state where they actually drop their body temp to between 30 and 65 degrees (depending on need), and drop their metabolic rate to one-fifteenth of normal. In this way, they can maybe make it through a very long night of 15 degrees.
Before nightfall, they make one extra smart move. They find and remember where breakfast is going to be. Then, in the morning it takes upwards of an hour to fully wake up before flying. This requires a huge energy drain on this thumb-sized bird, and if that feeder is frozen when it gets to it, the bird is in big trouble (like a car on empty that gets to the gas station and the pumps are locked).
Temperatures are warming up now, but we’ve felt a great privilege to keep tabs on these two intrepid birds this week. Snow and hummingbirds just don’t go together, but if this is a sign of Climate Change, I’m happy with it.
Thanks for reading this week.
Larry Eifert
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