Barn owl survey data

Each row represents one image that appeared on a Google Images Search Engine Result Page (SERP). The column headings are as follows: survey_id - unique identifier of the survey result; comments - researcher's comments on the image; age - barn owl age (juvenile/adult); sex - barn owl sex (male/female); photographer - name of photographer; colour_morph - barn owl colour morph score (1-8); spottiness - barn owl spottiness score (1-8); image_usable - if image of barn owl in region of interest with colour morph visible (yes/no); state - state in USA or area where photograph taken; country - country in which photograph taken; bucket - region in which photograph taken used in analyses; latitude - latitude at which photograph was taken in decimal degrees; longitude - longitude at which photograph was taken in decimal degrees; direct_link - the URL of the image on the internet; visible_link - the website on which the image appeared; search_name - human readable search description; search_query - search phrase entered into Google Images