Field Notes · Catnum 240027 · score 32 — high uncertainty
May 31 - 11:37 AM, 4 inches in on road, 5 eggs, catbird but no head visible. Go SSE from sign. Put red lid halfway from sign to nest. 10 yards tall cedar 15 feet west of completed robin nest. June 2, 11:55 - start 5 warm eggs, bird on nest, 1 real + bird. Candled 4 of this [24.40 x 18.38 embryo present] 6/3. 11:13 AM - 4 eggs, no new trace, warm. 6/5 1:40 PM - same, warm, no bruise, 3 eggs, no warm, no bruise. 6/9 10:59 AM - same, warm, no bruise. 6/11 10:17 AM - 3 eggs remain, eyes just grey, no warm, no bruise.
Metadata · Catnum 240027
Date02 Jun 1969
LocalityNew Haven, Connecticut, USA
CollectorRothstein, Steve
Eggs in Set5
Specimen TypeE
Incubationcommenced
Identificationbird on nest
Nest Supporttall cedar
Nest Setting15 feet west of completed robin nest
Nest NotesNest located 4 inches in on road, 10 yards from tall cedar, with red lid placed halfway from sign to nest as marker
HeaderCathbird
Further Details69-288
✦ Anecdote
This record documents an unusually detailed monitoring sequence over 11 days, with specific candling measurements and progressive egg loss from 5 to 3 eggs, suggesting either predation or abandonment during incubation.