Field Notes · Catnum 116325 · score 0 — low uncertainty
Nest composed of unusual material used by 761a as there is barely any variation in their nests of weeds and grass walled with mud.
Metadata · Catnum 116325
Date—
LocalityAmerican Fork, Utah, Utah, USA
CollectorJohnson, H.C.; for
Eggs in Set3
Specimen Typee
Incubationfresh
Identificationunknown (transcribed as “geographical”)
Nest Materialsweeds, grass, mud
Nest NotesNest composed of unusual material used by 761a as there is barely any variation in their nests of weeds & grass walled with mud.
HeaderCOLLECTION OF D. A. COHEN, ALAMEDA, CAL.
Further Details3-Jan
✦ Anecdote
The record mentions that this nest was composed of 'unusual material' despite describing typical American Robin nesting materials of weeds, grass, and mud, and references another specimen '761a' suggesting a comparative study.