Field Notes · Catnum 165789 · score 10 — moderate uncertainty
Nest 15 feet up in a thin willow tree, in a crotch in tree row at bottom of a 50 foot railroad embankment, along a woodsy, open path. Composed of grass, twigs and boulders and thick cup of clay lined thickly with dry grasses; of average size. Fresh 1 egg in the nest. Within a few yards of another Robin's nest containing 1 egg.
Metadata · Catnum 165789
Date04 May 1916
LocalityAramingo, Philadelphia, Pennsylvania, USA
Coordinates39.998939, -75.086374 ↗ map
CollectorMiller, Richard F.
Eggs in Set3
Specimen TypeE
Incubationfresh
Identificationunknown
Nest Height4.57 m (15 feet)
Nest Supportwillow tree
Nest Materialsgrass, twigs, boulders, clay
Nest Liningdry grasses
Nest Settingtree row at bottom of railroad embankment along woodsy, open path
Nest NotesNest in crotch of thin willow tree, of average size, containing 1 fresh egg. Within a few yards of another Robin's nest containing 1 egg.
HeaderBird's Seas.
Further Details761 | 227/3
✦ Anecdote
This record is unusual because it describes a robin's nest constructed with boulders as a building material, which is highly atypical for this species that normally uses fine twigs, grass, and mud.