Field Notes · Catnum 240043 · score 36 — high uncertainty
Nest located between arbors. May 28 10:47 AM. Nest moved 1 inch bordering 18 inches east of center and center of east side of arbor 4 inches. 3 eggs warm to touch, cold on day. Upper shell smooth, others have dried white or clear. White catbird eggs numbered 1, 3. New, creamy cedar. [25.18 x 18.31] Sibley whole crystal clear no development. 5/29 10:35 AM. 2 eggs both have rectangular windows broken under them. All or nearly all of contents still there. Observer removed nest.
Metadata · Catnum 240043
Date28 May 1968
LocalityNew Haven, Connecticut, USA
CollectorRothstein, Steve
Eggs in Set3
Specimen TypeE
Incubationfresh
Identificationunknown
Nest Height0.46 m (18 inches)
Nest Supportcedar
Nest Settingbetween arbors
Nest NotesNest moved 1 inch bordering 18 inches east of center and center of east side of arbor 4 inches. Observer removed nest on 5/29.
Further Details68-237
✦ Anecdote
This record describes eggs with 'rectangular windows broken under them' with contents still present, suggesting deliberate examination holes were made in the shells for developmental study.