@article{Fröhlich2019, author = "Marlen Fröhlich and Kevin Lee and Tatang Mitra Setia and Caroline Schuppli and Carel P. van Schaik", title = "{Additional information on methods and results from The loud scratch: a newly identified gesture of Sumatran orangutan mothers in the wild}", year = "2019", month = "6", url = "https://rs.figshare.com/articles/journal_contribution/Additional_information_on_methods_and_results_from_The_loud_scratch_a_newly_identified_gesture_of_Sumatran_orangutan_mothers_in_the_wild/8314001", doi = "10.6084/m9.figshare.8314001.v1" }