Field Notes · Catnum 166931 · score 1 — low uncertainty
Placed on cap of girder, beside cross beam and under extended floor of the wooden road (Willett) bridge spanning deep railroad cut, about 25 feet from the railroad and 15 inches under the overhung floor. Large, bulky nest, well made of liberal amount of grasses and weed stems, and mud, lined thickly with fine grasses. There was a nest in the same site several years ago.
Metadata · Catnum 166931
Date30 Apr 1915
LocalityHolmesburg, Philadelphia, Pennsylvania, USA
Coordinates40.03766, -75.017701 ↗ map
CollectorMiller, Richard F.
Eggs in Set3
Specimen TypeE
Incubationfresh
Identificationbird seen (transcribed as “birds seen”)
Nest Height0.38 m (15 inches)
Nest Supportcap of girder, beside cross beam
Nest Materialsgrasses, weed stems, mud
Nest Liningfine grasses
Nest Settingunder extended floor of wooden road bridge spanning deep railroad cut
Nest NotesLarge, bulky nest, well made with liberal amount of materials. Located about 25 feet from the railroad and 15 inches under the overhung floor. There was a nest in the same site several years ago.
HeaderCOLLECTION OF E. A. BUTLER.
Further Details166,931 | Jan-15
✦ Anecdote
This nest was built in an unusual industrial location on bridge infrastructure over a railroad cut, and the collector noted that robins had used this exact same site in previous years, suggesting site fidelity to this artificial nesting location.