Fifty years ago, a troop of Japanese macaques was observed washing sandy sweet potatoes in a stream, sending ripples through the fields of ethology, comparative psychology, and cultural anthropology. The issue of animal culture has been hotly debated ever since. Now Kevin Laland and Bennett Galef have gathered key voices in the often rancorous ...
The seemingly innocent observation that the activities of organisms bring about changes in environments is so obvious that it seems an unlikely focus for a new line of thinking about evolution. Yet niche construction - as this process of organism-driven environmental modification is known - has hidden complexities. By transforming biotic and ...
In 1953 a young female Japanese macaque called Imo began washing sweet potatoes before eating them, presumably to remove dirt and sand grains. Soon other monkeys had adopted this behaviour, and potato washing gradually spread throughout the troop. When, three years after her first invention, Imo devised a second novel foraging behaviour, that of ...
The seemingly innocent observation that the activities of organisms bring about changes in environments is so obvious that it seems an unlikely focus for a new line of thinking about evolution. Yet niche construction - as this process of organism-driven environmental modification is known - has hidden complexities. By transforming biotic and ...
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