Bird Observer, Volume 8, Issue 4 (1980)
CONTENTS
- Staff. 130.
- Contents. 131.
- Block Island. 132-136.
- Robert P. Fox.
- Field Identification of the Lesser Black-Backed Gull. 137-142.
- Richard R. Veit.
- Notes on the Identification of Selasphorus and Archilochus Hummingbirds. 143-146.
- Bruce A. Sorrie.
- Book Review: A Guide to Hawk Watching in North American, and Hawks and Owls of North America by Donald S. Heintzelman. 147-148.
- Alden Clayton.
- The Spring Migration March - May 1980. 149-170.
- Richard S. Heil, Robert H. Stymeist.
| Attachment | Size |
|---|---|
 Front Matter | 259.89 KB |
| Back Matter | 237.83 KB |
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