Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Remsen,
J.V.
1978
Black-throated Blue Warbler-
Dendroica caeruleascens
Oct.29 Gum Cove, Cameron Parish, Louisiana: 2♂♂ - full ♂
plumage - both studied for 5-10+ minutes each.