Field Notes · Catnum 240024 · score 16 — high uncertainty
May 31 8:18 am 5 eggs in space built at end of rose bed being fallen down stone wall. 5 eggs CB nest. June 2 7:57 am 5 warm eggs. 24.10 x 16.88 embryo present. 1 real catbird egg, remainder spotted. June 3 9:18 am 4 eggs. June 4 5:05 pm 2 eggs neither spoiled CB.
Metadata · Catnum 240024
Date02 Jun 1969
LocalityNew Haven, Connecticut, USA
CollectorRothstein, Steve
Eggs in Set5
Specimen TypeE
Incubationadvanced (transcribed as “embryo present”)
Identificationunknown
Nest Supportrose bed
Nest Settingrose bed near fallen down stone wall
Nest NotesNest built at end of rose bed being fallen down stone wall. Observer noted 1 real catbird egg with remainder being spotted. Eggs decreased from 5 to 4 to 2 over several days, with 2 remaining eggs neither spoiled.
HeaderPS-11
Further Details69-287
✦ Anecdote
This record is unusual because the observer noted that only 1 of the 5 eggs was a "real catbird egg" while the remainder were "spotted," suggesting possible brood parasitism or mixed clutch, and the clutch size decreased from 5 to 2 eggs over several days.