The incredible shrinking puffin: Decreasing size and increasing proportional bill size of Atlantic puffins nesting at Machias Seal Island

• Heather L. Major ,

  Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Supervision, Writing – original draft, Writing – review & editing

  * E-mail: hmajor@unb.ca

  Affiliation Department of Biological Sciences, Atlantic Laboratory for Avian Research, University of New Brunswick, Saint John NB, Canada

  https://orcid.org/0000-0002-7265-1289

  ⨯
• Joy E. Rivers,

  Roles Data curation, Formal analysis, Methodology, Writing – review & editing

  Affiliation Department of Biological Sciences, Atlantic Laboratory for Avian Research, University of New Brunswick, Saint John NB, Canada

  ⨯
• Quinn B. Carvey,

  Roles Formal analysis, Methodology, Writing – review & editing

  Affiliation Department of Biological Sciences, Atlantic Laboratory for Avian Research, University of New Brunswick, Saint John NB, Canada

  https://orcid.org/0000-0001-8658-4681

  ⨯
• Antony W. Diamond

  Roles Conceptualization, Data curation, Funding acquisition, Investigation, Methodology, Project administration, Supervision, Writing – review & editing

  Affiliation Atlantic Laboratory for Avian Research, University of New Brunswick, Fredericton NB, Canada

  ⨯