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Phenology effects in the North American Breeding Bird Survey

December 5, 2022

This data product provides summary information, by species, of changes in relative visibility of birds (phenology effects) through the April - July time period in which the North American Breeding Bird Survey (BBS) is conducted. Data are presented for 408 species of birds. Seasonal phenology effects are presented for selected latitudes and years, documenting changes in visibility and a variety of statistics to allow users to assess the significance of those effects. Results are presented as csv files, stored in zip files by first letter of the species common name and a single zip file containing csv files for 408 species.  Links are provided to Child Items containing additional information in species-specific R data sets and graphics in species-specific pdf files. 

Publication Year 2022
Title Phenology effects in the North American Breeding Bird Survey
DOI 10.5066/P9812ULJ
Authors John R Sauer, William A Link
Product Type Data Release
Record Source USGS Digital Object Identifier Catalog
USGS Organization Eastern Ecological Science Center at the Leetown Research Laboratory