The Influence of Target Animacy and Social Rank on Hand Preference in Barbary Macaques (Macaca sylvanus) Marzia BaldachiniBarbara RegaiolliCaterina Spiezio OriginalPaper 29 January 2021 Pages: 155 - 170
Impact of Electric Shock and Electrocution on Populations of Four Monkey Species in the Suburban Town of Diani, Kenya Pamela M. K. CunneyworthAlice M. Slade OriginalPaper 24 February 2021 Pages: 171 - 186
Male-Directed Object Use by Proceptive Female Bearded Capuchin Monkeys (Sapajus libidinosus) in Captivity Ricardo Mucury FilhoMurilo R. CamargoFrancisco D. C. Mendes OriginalPaper 16 February 2021 Pages: 187 - 200
Hormones and Color Change in Female White-Cheeked Gibbons, Nomascus leucogenys Susan W. MargulisMargrét Rósa Hálfdanardóttir OriginalPaper 08 February 2021 Pages: 201 - 219
Infant Survival Among Free-Living Bonnet Macaques (Macaca radiata) in South India Małgorzata E. ArletKrishna N. BalasubramaniamBrenda McCowan OriginalPaper Open access 02 March 2021 Pages: 220 - 236
Influences of Forest Structure on the Density and Habitat Preference of Two Sympatric Gibbons (Symphalangus syndactylus and Hylobates lar) Emma L. HankinsonRoss A. HillAmanda H. Korstjens OriginalPaper 10 March 2021 Pages: 237 - 261
Population Status of the Critically Endangered Preuss’s Red Colobus Monkey (Piliocolobus preussi Matschie 1900) and Recommendations for Its Conservation Joshua M. LinderChristos AstarasLucy J. Ormsby OriginalPaper 31 March 2021 Pages: 262 - 282
Deconstructing Protein in the Diet and Biomass of Colobine Primates Katarina D. EvansWilliam J. FoleyJessica M. Rothman OriginalPaper 27 March 2021 Pages: 283 - 300
Prenatal Androgen Effects as a Proximate Mechanism Underpinning Variation in Social Behavior Among Female Nonhuman Primates Caroline HowlettBrandon C. Wheeler OriginalPaper Open access 22 March 2021 Pages: 301 - 329
Correction to: Evidence for Dialects in Three Captive Populations of Common Marmosets (Callithrix jacchus) Yvonne ZürcherJudith M. Burkart Correction 24 February 2021 Pages: 330 - 335