From Albert Ryckman’s Costa Rica gallery:
Above: White-throated Mountain Hummingbird, Lesser Violetear, Fiery-throated Hummingbird, Talamanca Hummingbird, Volcano Hummingbird./
Research has uncovered more about how hummingbirds use torpor. It is not a simple on or off switch. It is a complex set of activities and changes in metabolism, body temperature, etc. Click here for a summary of the study done on the hummers in Colombia’s Andes.
Towheeblog 
Da darn burds has (mostly) all done flown away
Harry
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div> Just drove down I-5 to our sonâs place
By: albert ryckman on April 27, 2023
at 5:08 pm