Upload
viveka
View
39
Download
2
Embed Size (px)
DESCRIPTION
In Hand Ageing and Sexing Techniques:. Molt Pattern Shortcuts and Summaries. Adrienne J. Leppold and Robert S. Mulvihill. North American Bird Bander Vol. 18 No. 1. Summaries of Molt Patterns for Passerines (and some near passerines) - Know Where to Look. - PowerPoint PPT Presentation
Citation preview
In Hand Ageing and Sexing Techniques:
Adrienne J. Leppold and Robert S. Mulvihill
Molt Pattern Shortcuts and Summaries
Summaries of Molt Patterns for Passerines (and some near passerines)
- Know Where to Look• Consistencies within genera and families of birds
- Ageing shortcuts
Exceptions to the Rule (for CC/A1 moltlimits)
Common Yellowthroats and White-eyed Vireos can often have a more extensive molt including outer PP and inner SS.
Often an extensive molt including all GC, CC, alula, tertials, additional inner secondaries and outer primaries
Cardinalids
Often an extensive molt including all GC, CC, alula, tertials, additional inner secondaries and outer primaries
Indigo Bunting
Complete or nearly complete molt
Icterids
Northern Cardinal
Swallows
Presence of molt limit = HY/SY
Absence of molt limit = U/AHY