Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Remsen,
J.V.
1975
Northern Parula
Parula americana
Apr. 27 Waterton, Jefferson Co., Colo. 1♀ (sex not certain)
May 7 Waterton: 1♀ in nearly the same spot as on Apr. 27. - yellow throat and
breast, blue upperparts with greenish spot on back, white wing bars, partial
pale eye-ring, small body size
May 10 Jumbo Res., Sedgwick Co., Colo.: 1♂ watched at close range twice
during the afternoon in willow rows along NE edge of lake