Granddaughter Kyndra had a blast celebrating her 7th birthday at the Denver Zoo. The hour was getting late. We were exhausted. The roar of the sad lion and laugh of the hyena faded into the distance ...
A black howler monkey vocal chorus is seen at the Biological Field Station Corrientes, Argentina in this handout image released to Reuters on October 21, 2015. REUTERS/Mariana Rano/Handout via Reuters ...
Yodellers of the world, you never stood a chance: Monkeys will always be better at yodelling than humans because they have a "cheap trick" hidden in their voice box, scientists revealed Thursday. When ...
WASHINGTON, Oct 22 (Reuters) - The howler monkeys whose guttural calls reverberate through Central and South American rainforests possess a secret that the males of the species may prefer to be left ...
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