Field Notes · Catnum 123154 · score 0 — low uncertainty
In willow tree 6 ft up, made of dried grass, mud etc. Eggs contained no yolk.
Metadata · Catnum 123154
Date19 May 1889
LocalityMontgomery, Pennsylvania, USA
Coordinates40.2120495, -75.354871 ↗ map
CollectorNorris, Henry
Eggs in Set3
Specimen Typee
Incubationfresh
Identificationbird on nest
Nest Height1.83 m (6 feet)
Nest Supportwillow tree
Nest Materialsdried grass, mud
HeaderOölogical Collection of J. Parker Norris
Further DetailsN.H. 761 | 60/3
✦ Anecdote
The eggs contained no yolk, which is highly unusual as normal bird eggs should contain yolk for embryonic development.