The monkey then shows Shinchan one pig's nose.
Even after adjusting, the monkey might remain wary of outsiders and might show hostile behavior.
What is known about interactions between olive colobus monkeys and other related species shows that their social structure is very complex.
The four other vaccinated monkeys became infected but showed no symptoms of disease.
The monkeys showed no facial expression, not even pain or agony.
His team also reported in July that calorically restricted monkeys showed still another sign of a slower aging process.
The monkey resented the liberty, and showed it by nipping Blade's left ear.
But the monkeys quickly showed a marked preference (71% of trades) for the first seller.
Every so often, Ronin found himself searching the terraced trees at the verge of the jungle for movement but no monkeys showed themselves.
Indeed, there is limited understanding of the degree to which monkeys show imitative behaviour.