Learn how howler monkeys use deep roars to defend territory attract mates and warn rival groups from far away.

HENDERSON, Ky (WEHT) – Mesker Park Zoo & Botanic Garden has welcomed its newest howler monkey. Zoo officials state Rikki was born on September 7 and is the third howler monkey to be born at the zoo.

EVANSVILLE, Ind. (WFIE) - Mesker Park Zoo officials announced the birth of their newest Black Howler monkey, Rikki. According to zoo officials, Rikki marks the third howler monkey born at Mesker Park.

HENDERSON, Ky (WEHT) – Mesker Park Zoo & Botanic Garden has welcomed its newest howler monkey. Zoo officials state Rikki was born on September 7 and is the third howler monkey to be born at the zoo.