Field Notes · Catnum 240015 · score 78 — high uncertainty
May 26: 1pm. 9 eggs emptied. CB unbanded on saddle open area in woods. Clearing visible from road. Six/B7 junction need ladders. 5/27 10:31am some. 5/28 11:37am one cold egg. 1:33pm one (C) cold no bruises 2CBII. 5/24 11:13am one egg (C) warm cold 3CBII. Yolk creamy no white. A setting upon st wound be warm as other 1 egg felt this morning even cooler. Egg under shed. 11:20am some leaving nest with 2(C) 5/30 9:48am 2(C) one crushed egg + one cold egg. Carrying crushed egg in warm to warm. 5/31 10:79am 3(C) - gathered egg warm crushed egg. Yolk - leaving nest with 4(C) June 1 1:05pm 4(C) warm no bruises CB not 7II another CBII. 6/2 7:03pm some warm some warm old - dry - no bruises CBII. 6/3 2:36pm some warm no bruises 2CBII. 6/5 11:45am 4(C) warm he warmed no brush CBII. 6/7 8:36am some warm dry no bruises (CB not labeled) and gathered egg from 69-320. 6/7 10:00am 4(C) one egg. 6/8 4:12am some warm all eggs no bruise CBII. 6/9 9:36am some warm all eggs no bruise CBII. 6/11 10:50am 4(C) red eggs gone but piece of blue shell on red (C) no bruises warm CBII. Added a CB control. 6/13 10:00am (C) one O la tiny bump put it looks like jam bruise CBII cold the warm egg. Egg despoiled but possibly with these high temps. can't get cold. 6/14 c. 10:45am some no further bruises warm to warm cold shelled CBII. 6/15 10:34am some warm no further bruises.
Metadata · Catnum 240015
Date28 May 1969
LocalityNew Haven, Connecticut, USA
CollectorRothstein, Steve
Eggs in Set4
Specimen TypeE
Incubationunknown
Identificationunknown
Nest Settingsaddle open area in woods, clearing visible from road
Nest NotesUnbanded catbird, nest location at Six/B7 junction requiring ladders to access. Extended monitoring period from May 26 to June 15 with daily observations of egg condition, temperature, and development. Multiple eggs mentioned as cold, warm, crushed, or having bruises throughout observation period.
HeaderCollected
Further Details24.05 x 16.75 SIBLEY | 23.64 x 17.02 egg saved for experiment | 23.65 x 17.46 | 24.11 x 16.83 SIBLEY | 24.25 x 16.46 SIBLEY | 69-264
✦ Anecdote
This record is highly unusual as it documents an exceptionally long monitoring period of nearly three weeks with daily observations, and mentions an unusually large clutch of 9 eggs for a Gray Catbird, which typically lays 3-5 eggs.