A review of geographic variation in continental populations of the Ruby-crowned Kinglet (Regulus calendula)
Browning, M. Ralph
Article
1979-06-03
Nemouria; occasional papers of the Delaware Museum of Natural History
21
1--9
BioStor
English
[Greenville], Delaware Museum of Natural History,
BioStor: https://biostor.org/reference/143511
In Copyright. Digitized with the permission of the rights holder
https://www.biodiversitylibrary.org/permissions/
http://creativecommons.org/licenses/by-nc-sa/3.0/
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