Field Notes · Catnum 165711 · score 5 — moderate uncertainty
Nest 20 feet from ground upon foot wide ledge of rock in an unused stone quarry, at base of sloping dirt bank 20 ft. long above it. Composed of weed stems, grasses and mud, and lined thinly with grass blades. Large and deeply cupped.
Metadata · Catnum 165711
Date01 May 1900
LocalityHolmesburg, Philadelphia, Pennsylvania, USA
Coordinates40.03766, -75.017701 ↗ map
CollectorMiller, Richard F.
Eggs in Set4
Specimen TypeE
Incubationfresh
Identificationbird on nest (transcribed as “Female on Nest”)
Nest Height6.1 m (20 feet)
Nest Supportfoot wide ledge of rock
Nest Materialsweed stems, grasses, mud
Nest Lininggrass blades
Nest Settingunused stone quarry, at base of sloping dirt bank
Nest NotesLarge and deeply cupped nest located on a foot wide rock ledge in an unused stone quarry with a 20 ft. long sloping dirt bank above it.
Further Details761 | 4-Apr
✦ Anecdote
This nest was built in an unusual industrial location - an unused stone quarry - rather than the typical tree or shrub habitat normally associated with American Robin nests.