Field Notes · Catnum 240523 · score 37 — high uncertainty
6 feet high on 4 inch tree, Cathedral. Nest 1. 5 eggs. 10 inches north from trunk of tree. Nest 1. 90 north road. 4 feet road. 350 from beginning road. 6/26-10: 4:34 north 5 eggs. Check nest II probably another. 6/27-10:28 a.m. 4 eggs. no Brews 2. 6/28-11:40 a.m. 4 warm eggs. yolk 23.38 x 17.50 embryo present.
Metadata · Catnum 240523
Date26 Jun 1970
LocalityDelta, Manitoba, Canada
CollectorRothstein, Steve
Eggs in Set5
Specimen TypeE
Incubationcommenced
Identificationunknown
Nest Height1.83 m (6 feet)
Nest Support4 inch tree
Nest SettingCathedral
Nest NotesMultiple observations over several days (6/26-6/28). Initially 5 eggs, then 4 eggs found on subsequent visits. Final observation noted warm eggs with embryo present measuring 23.38 x 17.50. Possible second nest (nest II) mentioned. Located 10 inches north from trunk, 90 north road, 4 feet from road, 350 from beginning of road.
HeaderAnderson
Further Details70-122
✦ Anecdote
This record documents multiple visits to the same nest over three consecutive days, showing a decrease from 5 to 4 eggs and the development of embryos, with precise measurements of yolk size recorded on the final visit.