Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Remsen,
J.V.
1975
Ruby-crowned Kinglet
Regulus calendula
Jan.17 Tilden Reg. Park, Contra Costa Co., Calif: 1 giving with the first part of
the song - early?
Jan.24 Tilden Reg. Park: 1 (S) - one full song.
Oct.12 Monterey area, Monterey Co., Calif - 1 (S) - gave full phrase of one song.
Oct.15 Tilden Park: 15. Several singing complete phrases of song (one 'cycle'),
and one seen displaying red crown vigorously.
Nov.29 Morongo Wildlife Refuge, San Bernardino Co., Calif: 2 different individuals heard
singing partial songs when chasing another kinglet.