Field Notes · Catnum 104051 · score 4 — moderate uncertainty
In oak tree in fork of large limb 8 feet above ground. Bird flushed from nest. Nest made of straws and mud lined with fine fibers. Large egg infertile.
Metadata · Catnum 104051
Date05 Jul 1901
LocalityCochise, Arizona, USA
Coordinates31.447806, -110.338508 ↗ map
CollectorHoward, Ozora W.
Eggs in Set3
Specimen Typee
Incubationadvanced
Identificationflushed
Nest Height2.44 m (8 feet)
Nest Supportoak tree in fork of large limb
Nest Materialsstraws, mud
Nest Liningfine fibers
Nest NotesLarge egg infertile. Altitude 9000 feet. Record marked as abnormal.
HeaderAbnormal
Further DetailsAltitude 9000 Feet | 3/3H
✦ Anecdote
This record is unusual for documenting an infertile American Robin egg at the exceptionally high altitude of 9000 feet, which is well above the typical breeding range for this species.