Molt and taxonomy of red-breasted nuthatches
The Wilson Bulletin
By: R.C. Banks
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Abstract
The postnuptial and postjuvenal molts of Red-breasted Nuthatches occur from middle June to late September. Some birds may be nearly finished with the complete molt before other individuals begin, so that specimens taken at any given time may differ by as much as two months in the age of their plumage. No characters useful in ageing birds after the completion of the autumn molt were found.....The proposed racial subdivision of Sitta canadensis was based on misleading evidence resulting from variation of plumage age in birds assumed to be seasonally comparable, sooting of birds in industrialized parts of the country, and variation in quality of prepared specimens.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Molt and taxonomy of red-breasted nuthatches |
| Series title | The Wilson Bulletin |
| Volume | 82 |
| Issue | 2 |
| Year Published | 1970 |
| Language | English |
| Contributing office(s) | Patuxent Wildlife Research Center |
| Description | 201-205 |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Wilson Bulletin |
| First page | 201 |
| Last page | 205 |
| Google Analytic Metrics | Metrics page |