Image from the Biodiversity Heritage Library.
Contributed by Harvard University, Museum of Comparative Zoology, Ernst Mayr Library.
| www.biodiversitylibrary.org
Transcription
Vireo olivaceous.
Maine (Lake Umbagog).
1873.
Aug. 23. The males still sing occasionally.
1879.
May 28. Several males singing, the first I have heard. I
shot one in the act.
June 12. Two nests building.
1880.
May 20. Several.