Archive
Day-15
Threshold Days: House Finch Nest Shifts From Eggs to Chicks
Field notes covering 7–9 May 2026 The three days spanned by these notes form a single biological event compressed into a long weekend: the turning of a clutch from still eggs to …
Day 15 — Regular male feeding visits; 4 chicks confirmed; apparent unhatched egg
Female on nest continuously through the overnight period. First departure of the day at 05:58 briefly reveals 2 chicks in the cup; she is back within a minute. A second short …