10.1371/journal.pone.0082686.g001 Bridget M. Waller Bridget M. Waller Kate Peirce Kate Peirce Cátia C. Caeiro Cátia C. Caeiro Linda Scheider Linda Scheider Anne M. Burrows Anne M. Burrows Sandra McCune Sandra McCune Juliane Kaminski Juliane Kaminski Example of facial movement AU101 (inner brow raiser) in a domestic dog (Rhodesian Ridgeback, not a subject in the study), increasing the height and overall size of the orbital cavity (eye): A) neutral on right side of face, B) AU101 on right side of face. Public Library of Science 2013 wolf populations rehoming shelters co-evolutionary process Paedomorphic Facial Expressions paedomorphic features behavioural traits Selective Advantage paedomorphic characteristics dog domestication wolves 2013-12-26 04:42:46 Figure https://plos.figshare.com/articles/figure/_Example_of_facial_movement_AU101_inner_brow_raiser_in_a_domestic_dog_Rhodesian_Ridgeback_not_a_subject_in_the_study_increasing_the_height_and_overall_size_of_the_orbital_cavity_eye_A_neutral_on_right_side_of_face_B_AU101_on_right_side_of_face_/887265 <p>Example of facial movement AU101 (inner brow raiser) in a domestic dog (Rhodesian Ridgeback, not a subject in the study), increasing the height and overall size of the orbital cavity (eye): A) neutral on right side of face, B) AU101 on right side of face.</p>