📸 “Spread Your Wings and Fly O Mighty One” – 30 Days of Hummingbirds – Day 23

❓While we’re on the topic of migration, did you know Hummingbird migration is triggered by circadian or daily internal clock and the circannual rhythm or yearly clock. Changes in the weather, temperature, time of season, decline in food supply and shorter days with less sunlight are factors that influence the beginning of fall migration.

Field Notes:
Camera: Canon EOS 6D
Lens: Canon EF 100mm – 400mm
Focal Length: 400mm
Shutter Speed 1/640
Aperture: f5.6
ISO: 4000
Time of Day: 9:41a.m.

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