Image from the Biodiversity Heritage Library.
Contributed by Harvard University, Museum of Comparative Zoology, Ernst Mayr Library.
| www.biodiversitylibrary.org
Transcription
Circus hudsonius
1899.
October 1'
1900.
September 5' from 6 'sds. 14' from
1904.
September 11' from and flying Bethel.
1907.
July 20 'sds flying from Bethel.