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Full-Text Articles in Life Sciences

Acoustic Analysis Of Nomascus Gibbon Songs As A Potential Measure Of Current Health Status, Caroline Rowley Jan 2020

Acoustic Analysis Of Nomascus Gibbon Songs As A Potential Measure Of Current Health Status, Caroline Rowley

All Master's Theses

Post-release monitoring is vital to the rehabilitation process. Gibbons offer a unique challenge, as they are notoriously difficult to follow through the forest, but their duets offer a non-invasive window into their lives. The aim of this project is to create a method that will evaluate the health of rehabilitated and released gibbons through acoustic analyses. Gibbon duets are in part genetically determined, but learning may play a role in song development. Additionally, songs may indicate resource holding potential, and are vital to acquiring mates and producing offspring. Captive-raised gibbons are often denied the experience of co-singing with their parents, …


Mommy Issues: Do Differential Rearing Histories Affect The Social Behavior Of Captive Chacma Baboons (Papio Ursinus), Madeleine Spencer Jan 2020

Mommy Issues: Do Differential Rearing Histories Affect The Social Behavior Of Captive Chacma Baboons (Papio Ursinus), Madeleine Spencer

All Master's Theses

I observed the behavior of 17 chacma baboons (Papio ursinus) in order to understand the relationship between rearing history, dominance hierarchy, and social behavior. The Centre for Animal Rehabilitation and Education (C.A.R.E.) has utilized hand-rearing in the past and is currently using a surrogate-rearing method. Hand-rearing involves one or more primary caregivers attending to an infant for 6 – 12 months. Surrogate-rearing involves one individual being the primary surrogate for the first 3 months of the infant’s life prior to bonding her or him to an adult female baboon before integrating both back into the surrogate’s troop. Mother-reared …