Field Notes · Catnum 105817 · score 3 — moderate uncertainty
Set of 4 taken fresh from this pair May 9 in oak 50 yards distant. A nest examined about 25 feet in locust close to this nest belongs to this pair apparently and upon examination about May 25 was found unfinished and in same state June 11. This nest was found with 3 eggs and on June 8 today eggs were cold and no birds present. Nest composed of: herewith. Small. Top rimmed with mud. Placed about 10 feet up, saddled to small horizontal limb of locust.
Metadata · Catnum 105817
Date11 Jun 1922
LocalityAlameda, Alameda, CA, USA
Coordinates37.773545, -122.278268 ↗ map
CollectorCohen, D.A.
Eggs in Set3
Specimen Typee
Incubationfresh
Identificationpositive (transcribed as “unmistakable”)
Nest Height3.05 m (10 feet)
Nest Supportsmall horizontal limb of locust
Nest Materialsmud
Nest Settinglocust tree
Nest NotesSet of 4 eggs taken fresh May 9. Another nest examined about 25 feet away in locust, apparently belonging to same pair, found unfinished May 25 and remained in same state June 11. This nest found with 3 eggs, but by June 8 eggs were cold with no birds present. Nest composed of materials, small size, top rimmed with mud, placed about 10 feet up saddled to small horizontal limb.
HeaderCollection of D. A. Cohen, Alameda, Cal.
Further Detailsn/3 22
✦ Anecdote
This record documents a pair of robins that apparently built multiple nests, with the collector finding one successful nest with 4 fresh eggs and another abandoned nest with 3 cold eggs, suggesting possible nest abandonment or predation.