Santymire, R. M.; Misek, S.; Gossett, J.; Kamhout, M.; Chatroop, E.; Rafacz, M. Male Behaviours Signal the Female’s Reproductive State in a Pair of Black Rhinoceros Housed at Lincoln Park Zoo. JZAR 2016, 4 (1), 30-37. https://doi.org/10.19227/jzar.v4i1.149.