ZME Science on MSN
Monkeys With Smaller Testicles Scream Louder to Compensate
Dunn’s team analyzed the biological “budget” of these primates and found a direct negative correlation: males with large ...
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 ...
In a recent study, scientists report that howler monkeys in Costa Rica make longer calls in forest interiors and near naturally occurring forest edges, such as those along rivers, than near ...
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