Field Notes · Catnum 240031 · score 30 — high uncertainty
5:30 PM huge bakery at Sewal / channel on side road edge - catbird 4 warm eggs bird on nest. 2 large bakery on road/ slash - to 60 S/ tower, complete (1 nest old?) 8:45 AM 4 warm eggs added (c) 8:35 AM 4 eggs warm to warm cold @ zero. Think 6 bird yet off nest. [23.40 X 18.12] network of blood vessels and possibly a slow embryo preserved. 7:54 AM 3 eggs (15) warm no bruises 8:07 AM same warm no bruises bird on nest. 8:43 AM 2 broken unspotted eggs (15) 2 possible small peck marks (inspected) 9:50 AM 3 broken + (15) 2 to 3 peck marks removed and numbered (15) banded. Another BII
Metadata · Catnum 240031
Date29 May 1968
LocalityNew Haven, Connecticut, USA
CollectorRothstein, Steve
Eggs in Set4
Specimen TypeE
Incubationcommenced
Identificationbird on nest
Near Waternear water
Nest Settingside road edge
Nest NotesComplete nest found at 5:30 PM, eggs measured 23.40 X 18.12 mm with network of blood vessels and possibly slow embryo development. Multiple observations made over several days showing declining egg count from 4 to 3 to 2, with broken eggs showing peck marks. Bird banded.
HeaderField S/PS-11
Further DetailsCB nearly II | 68-240
✦ Anecdote
This record documents apparent nest predation or abandonment over multiple days, with the egg count declining from 4 to 2 as eggs were found broken with peck marks, suggesting either predation or possibly the parent bird destroying its own eggs.