Songbird Monitoring Tools - Nestling Ageing 

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Instructions

A Guide to Nestling Development and Aging in Altricial Passerines (2007)  
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The primary objectives of this guide are to report and promote research on species specific patterns of altricial passerine nestling development and aging, and to achieve better estimates of nestling ages. We present nestling development data on seven species of altricial passerines. We present suggestions for standardizing the collection of nestling data.


Nestling Field Data Collection Guide (2005)  
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PRBO Conservation Science

Data Form

Nestling Growth Data Form   
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PRBO Conservation Science

Data Table

Nestling Database Table   
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PRBO Conservation Science