Field Notes · Catnum 85712 · score 4 — moderate uncertainty
Situated on a steel road bridge that spanned a railroad cut, 25 feet from the ground and 4 feet from the bridge floor. Placed on a side I girder, beside the land between two parallel upright pieces of steel riveted to the girder 4 inches wide and 4 inches apart, made of grass stems & stalks, weed stems and much mud, lined thickly with soft grass. Inside depth 1 1/2 in., outside 2 1/2 in.; outside width 4 in., inside 3 inches. A nest was found in same site in 1905.
Metadata · Catnum 85712
Date01 May 1906
LocalityFrankford, Philadelphia, Pennsylvania, USA
Coordinates40.014874, -75.078951 ↗ map
CollectorMiller, Richard F.
Eggs in Set4
Specimen Typee
Incubationslight
Identificationbird seen (transcribed as “by noisy birds”)
Nest Height7.62 m (25 feet)
Nest Supportsteel I girder on road bridge
Nest Materialsgrass stems, grass stalks, weed stems, mud
Nest Liningsoft grass
Nest Settingsteel road bridge spanning railroad cut
Nest NotesNest placed beside land between two parallel upright steel pieces riveted to girder, 4 inches wide and 4 inches apart. Inside depth 1.5 inches, outside depth 2.5 inches, outside width 4 inches, inside width 3 inches. A nest was found in same site in 1905.
HeaderCollection of Richard F. Miller.
Further Details#1407 | WPM #85712 | 60/4
✦ Anecdote
This robin chose an unusual nesting site on a steel bridge girder 25 feet above a railroad cut, and remarkably, another nest was found in the exact same location the previous year in 1905.