A comprehensive excel spreadsheet with two tabs containing relevant data concerning the presence/absence of masturbation in birds.

Variables
Order
Species latin and common names
Indication of whether masturbation has been observed in this species before
Indication of confidence of respondent
Sex of bird
Number of individuals observed masturbating
Wild or captive origin
Group size
Housing conditions with list of four potential options
Rearing origin (hand or parent reared)
Age (adult or juvenile)
Condition (good or bad)
Any applicable notes
Reliability of data (scored 1-4 with being highest score)

There is a second tab on the excel spreadsheet which details the breeding system of birds that were reported in our data.