Utah Bird Records Committee
  
Help with Tough ID's

A list of references suggested by members of the Records Committee

   
General ID sites

• "Bad Photos of Good Birds"  by Kevin J. McGowan Cornell website
• Macaulay Library  (Sound and Video Catalog)
  (Cornell Lab of Ornithology)   http://animalbehaviorarchive.org/loginPublic.do
• Jean Iron's Gull Page   http://www.jeaniron.ca/Gulls/htmgulls/index.htm

Cackling Goose

• Monterey Birds:  http://creagrus.home.montereybay.com/MTYbirdsCACG.html
• Angus Wilson's web page:  http://www.oceanwanderers.com/CAGO.Subspecies.html#update
• Mark Stackhouse's letter:  http://www.utahbirds.org/RecCom/NewGoose.htm
• Harry Krueger's ID guide:  http://www.idahobirds.net/identification/cackling.html
• Mobrey et.al in Cornell's BNA online, subscription service:  http://bna.birds.cornell.edu/bna
• Sibley:  http://www.sibleyguides.com/canada_cackling.htm
• Bill Schmoker - Photos: http://www.schmoker.org/BirdPics/CACG_CANG.html
• Photos and Primer: http://www.granstrand.net/gallery/album12
• Texas Bird Records Committee: http://texasbirds.org/tbrc/Canadagooset.html

Mexican Duck v Mallard

• Links provided by Kenny Frisch:
  
  "here are two articles from Birding on Mexican Duck ID that I have found helpful with this confusing new species."
       https://www.aba.org/mexican-duck/
       https://www.aba.org/mexican-duck-photo-essay/
•  

Pacific Golden-Plover vs. American Golden-Plover

• By Oscar W. Johnson & Patricia M. Johnson  Article - Montana State University
    

Sphyrapicus Anxiety  Identifying Hybrid Sapsuckers

• By Stephen A. Shunk  Paradise Birding.Article
  This article examines variation and hybridization in the varius complexof Yellow-bellied, Red-naped, and Red-breasted Sapsuckers. Definitive identifications are not always possible,but it is worthwhile all the same to pay careful attention to sapsuckers that “don’t look quite right”.