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"When resources are abundant, song sparrows can rear four clutches of eggs in a year" according to the Wingspan card
Mori Point R7 + 100-400mm F5.6-8 @ 400mm, ISO 640, 1/2500, F8(9MP crop, equiv 1229mm F25)
San Francisco D5600 + 70-300mm F4.5-6.3 @ 300mm, ISO 280, 1/1250, F6.3(13MP crop, equiv 584mm F13)
San Francisco D5600 + 70-300mm F4.5-6.3 @ 300mm, ISO 1000, 1/400, F6.3(21MP crop, equiv 450mm F9.5)
Pt. Reyes, CA R7 + 800mm F11, ISO 500, 1/800(27MP crop, equiv 1293mm F18)