Observer and automated estimation data from drone-based imagery of blackbird flocks foraging in commercial sunflower

Research Data Publication File Index

File Folder Description
_metadata_NWRC-RDS-2024-005.html   Metadata file in HTML format containing a description of the content, quality, and other characteristics of the data.
_metadata_NWRC-RDS-2024-005.xml   Metadata file in Extensible Markup Language (XML) format containing a description of the content, quality, and other characteristics of the data.
_variable_descriptions.csv \Data Comma-separated values (CSV) file containing a list and description of variables found in all data files.
Duttenhefner_Klug_Corr_Data.csv \Data CSV file containing data for comparing counts of blackbird flocks foraging in commercial sunflower. Data include both the automated estimate and the mean of 20 biologist estimates of 60 unique photos collected using drones. This file can be used with the provided R code (\Supplements\Duttenhefner_Klug_2025_WJO.R) to analyze the results as reported in Duttenhefner and Klug (2025).
Duttenhefner_Klug_LMM_Data.csv \Data CSV file containing data for comparing counts of blackbird flocks foraging in commercial sunflower. Data include both the automated estimate and 20 separate biologist estimates of 60 unique photos collected using drones.
Duttenhefner_Klug_2025_WJO.R \Supplements Text file containing R code. This code can be used with the provided data files to replicate results step by step as they appear in Duttenhefner and Klug (2025).
Duttenhefner_Klug_drone_images.pdf \Supplements Portable Document Format file containing the 60 unique drone images referenced in this study.