Investigating the Impact of Acoustic Environment and Human Presence on Okapi Faecal Glucocorticoid Metabolites. - de Queiroz, Marina Bonde; Passos, Luiza Figueiredo; de Azevedo, Cristiano Schetini; Schork, Ivana; Palme, Rupert; Davies, William J.; Young, Robert John (Noise & Health, 2025)