Global warming effects on nesting in Prothonotary Warblers



Dataset includes temperature data (local average April daily temperatures), first egg dates and reproductive output of Prothonotary Warblers breeding in southernmost Illinois, USA. Also included are arrival dates for warblers returning to breeding grounds from wintering grounds, and global temperature anomaly data for comparison with local temperatures. These data were used in the manuscript entitled "Warmer April Temperatures on Breeding Grounds Promote Earlier Nesting in a Long-Distance Migratory Bird, the Prothonotary Warbler" published in Frontiers in Ecology and Evolution. A rich text file is included with explanations of each variable in the dataset.
Date made availableNov 14 2020
PublisherUniversity of Illinois Urbana-Champaign


  • prothonotary warbler
  • long-distance migratory bird
  • first egg dates
  • global warming
  • reproductive output
  • protonotaria citrea
  • local temperature effects

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