This README.txt file was generated on 2022-08-29 by Julien Renoult GENERAL INFORMATION 1. Title of Dataset: Mandrillus Face Database: Portrait pictures of the population of wild mandrills from Bakoumba (Gabon). 2. Author Information Corresponding Investigator Name: Dr Julien Renoult Institution: CEFE, CNRS, Montpellier, France Email: julien.renoult@cefe.cnrs.fr Co-investigator Name: Dr Marie Charpentier Institution: ISEM, CNRS, Montpellier, France 3. Date of data collection: 2012-2020 4. Location of data collection: Lekedi Nature Reserve, Bakoumba, Gabon 5. Recommended citation for this dataset: Charpentier et al. (2022), Data from: Primate mothers promote proximity between their offspring and infants who look like them, Dryad, Dataset DATA & FILE OVERVIEW 1. Description of dataset This dataset includes portrait pictures of Mandrills (Mandrillus sphinx). All individus belong to one wild, free-ranging, habituated social group studied in the Mandrillus Project (http://www.projetmandrillus.com/). 2. File List: File 1 Name: MFD_photos_metadata.csv File 1 Description: Metadata of photos of the Mandrillus Face Database File 2 Name: MFD_date_of_birth.xlsx File 2 Description: Date of birth for infants and juveniles depicted in the Mandrillus Face Database File 3 Name: MandrillusFaceDatabase.zip File 3 Description: Portrait pictures of the Mandrillus Face Database METHODOLOGICAL INFORMATION Pictures were taken by various field assitants using different DLSR camera models. Raw images were manually oriented to have the pupils aligned horizontally, cropped and centered onto the face. No other post-processing were added. DATA-SPECIFIC INFORMATION FOR: MFD_photos_metadata.csv 1. Number of variables: 7 2. Number of cases/rows: 32869 3. Variable List: photo_Name: photo file name id: Identifier of the depicted individual 0FaceView: Binary variable decribing wether the face is in frontal (1) or profile (0) view. 1FaceQual: 4-level qualitative variable scoring the quality of the image. Quality was ranked subjectively by a single experimenter. For details, see Charpentier, M. J., Harté, M., Poirotte, C., de Bellefon, J. M., Laubi, B., Kappeler, P. M., & Renoult, J. P. (2020). Same father, same face: Deep learning reveals selection for signaling kinship in a wild primate. Science advances, 6(22), eaba3274 parent_folder: 3-level qualitative variable indicating in which subfolder the image is stored (see ) shootDate: date of image shooting sex: sex of the depicted individual DATA-SPECIFIC INFORMATION FOR: MFD_date_of_birth.xlsx 1. Number of variables: 3 2. Number of cases/rows: 311 3. Variable List: id: Identifier of the individual sex: 2-level categorical variable indicating the sex of the individual: male (m) or female (f) dob: date of birth of the individual (format: dd/mm/yyyy) DATA-SPECIFIC INFORMATION FOR: MandrillusFaceDatabase.zip This zipped folder contains 1 main folder: BASE_DE_DONNEE_PORTRAITS_20220303. The main folder contains 3 subfolders: MANDRILLS BKB (portrait pictures of individuals from Bakoumba population) MANDRILLS CIRMF (portrait pictures of individuals from the CIRMF population in Franceville) and MANDRILLS AUTRES (portrait pictures of individuals from other places). Each subfolder contains one subsubfolder per individuals. That is, all the pictures of a given individual are grouped within a single subsubfolder. Subsubfolder name is individual name (=iD in MFD_photos_metadata.csv).