A field guide for aging passerine nestlings using growth data and predictive modeling

作     者：Audrey A.Sanchez Andrew W.Bartlow Allison M.Chan Jeanne M.Fair Aaron A.Skinner Kelly Hutchins Maria A.Musgrave Emily M.Phillips Brent E.Thompson Charles D.Hathcock Audrey A.Sanchez;Andrew W.Bartlow;Allison M.Chan;Jeanne M.Fair;Aaron A.Skinner;Kelly Hutchins;Maria A.Musgrave;Emily M.Phillips;Brent E.Thompson;Charles D.Hathcock

作者机构：Environmental StewardshipLos Alamos National LaboratoryLos AlamosNMUSA Biosecurity and Public HealthLos Alamos National LaboratoryLos AlamosNMUSA Water ProgramN3BLos AlamosNMUSA 

出 版 物：《Avian Research》 (鸟类学研究（英文版）)

年 卷 期：2021年第12卷第2期

页      面：141-149页

核心收录：

学科分类：0710[理学-生物学] 0830[工学-环境科学与工程（可授工学、理学、农学学位）] 07[理学] 0905[农学-畜牧学] 0906[农学-兽医学] 0713[理学-生态学] 

基　　金：supported by Los Alamos National Laboratory managed by Triad National Security, LLC funding from the U.S. Department of Energy's National Nuclear Security Administration 

主　　题：Cavity-nesting Nest boxes Nestling development Predictive models Western Bluebird 

摘      要：Background:Accurate nestling age is valuable for studies on nesting strategies,productivity,and impacts on repro-ductive *** aging guides consist of descriptions and photographs that are time consuming to read and subjective to *** Western Bluebird(Sialia mexicana)is a secondary cavity-nesting passerine that nests in coniferous and open deciduous *** box programs for cavity-nesting species have provided suitable nesting locations and opportunities for data collection on nestling growth and ***:We developed models for predicting the age of Western Bluebird nestlings from morphometric meas-urements using model training and *** were developed for mass,tarsus,and two different culmen ***:Our models were accurate to within less than a day,and each model worked best for a specific age *** mass and tarsus models can be used to estimate the ages of Western Bluebird nestlings 0-10 days old and were accurate to within 0.5 days for mass and 0.7 days for *** culmen models can be used to estimate ages of nest-lings 0-15 days old and were also accurate to within less than a *** daily mean,minimum,and maximum values of each morphometric measurement are provided and can be used in the field for accurate nestling age estimations in real ***:The model training and validation procedures used here demonstrate that this method can create aging models that are highly *** methods can be applied to any passerine species provided sufficient nest-ling morphometric data are available.