Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Duval
E.H.
2000
Journal
Isla Boca Brava, Chiriqui Prov., Panama
8 Apr 00 Dance Displays
- thick-billed euphonia incident
- ♂ + to perch, changes direction:
cartwheel of ♀♂ changes direction, too.