1. (c) Christine Veeschkens, some rights reserved (CC BY-NC-ND)
2. (c) Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Mammals, some rights reserved (CC BY-NC-SA)
3. (c) Figure 8 from article: Aguilar de Soto N, Martín V, Silva M, Edler R, Reyes C, Carrillo M, Schiavi A, Morales T, García-Ovide B, Sanchez-Mora A, Garcia-Tavero N, Steiner L, Scheer M, Gockel R, Walker D, Villa E, Szlama P, Eriksson IK, Tejedor M, Perez-Gil, some rights reserved (CC BY)
4. (c) Dani Bichero, some rights reserved (CC BY-NC-SA)