Field Notes · Catnum 134041 · score 1 — low uncertainty
On two track R.R. bridge, 20 ft. from the ground & 20 ft. down from the track, placed on a big bolt amid several cross straining rods; invisible from below. Well made of grasses & mud, & lined thickly with grasses. Bridge used by many trains daily.
Metadata · Catnum 134041
Date22 May 1911
LocalityFrankford, Philadelphia, Pennsylvania, USA
Coordinates40.014874, -75.078951 ↗ map
CollectorMiller, Wm. Mck.
Eggs in Set5
Specimen Typee
Incubationfresh
Identificationpositive
Nest Height6.1 m (20 feet)
Nest Supportrailroad bridge bolt amid cross straining rods
Nest Materialsgrasses, mud
Nest Lininggrasses
Nest Settingtwo track railroad bridge
Nest NotesNest invisible from below. Bridge used by many trains daily.
HeaderCOLLECTION OF RICHARD F. MILLER, PHILADELPHIA, PENNA.
Further DetailsTulip Street near Luzerne Street | 3
✦ Anecdote
This robin built its nest on an active railroad bridge used by many trains daily, demonstrating remarkable adaptation to industrial infrastructure.