Data source Search terms(s) Process
GBIF Turdus merula Downloaded from GBIF GBIF.org (02 July 2020) GBIF Occurrence Download https://doi.org/10.15468/dl.dn3vez
iNaturalist Turdus merula Downloaded from iNaturalist.
Twitter Turdus merula Manual search
Flickr Turdus merula Blackbird Automatic API search using python code and then query geographical data using FlickrAPI package in R 37,47.
Instagram #Turdusmerula Manual search