Field Notes · Catnum 4166 · score 7 — moderate uncertainty
Nesting season: April 23 - May 20. Abundance: Fairly common. This set: very large eggs - thought to be complete - by color of bird - not close. Nest: Placed 15' above ground in hickory tree. Made of mud & [illegible text] principally - lined with grass & [illegible text] only.
Metadata · Catnum 4166
Date24 Apr 1921
LocalityTurley, Tulsa, Oklahoma, USA
CollectorPemberton, John R.
Eggs in Set3
Specimen Typee
Incubationunknown (transcribed as “First”)
Identificationbird on nest
Nest Height4.57 m (15 feet)
Nest Supporthickory tree
Nest Materialsmud
Nest Lininggrass
Nest NotesVery large eggs - thought to be complete set - identified by color of bird - not observed closely
HeaderFROM THE OOLOGICAL COLLECTION OF JOHN R. PEMBERTON
Further Details4166 | 761 -1269/3
✦ Anecdote
The collector noted these were "very large eggs" for American Robin, which is unusual as robin eggs are typically quite consistent in size within the species.