Letter | Published:

Is it True that No Animal can be shown to have Made Use of Antecedent Experience to intentionally improve upon the Past?

Nature volume 20, page 432 | Download Citation



I HAD a pair of yellow African singing finches last year. The hen laid twenty-two eggs during the year, three at each nesting. In early spring I gave her materials to build with. She selected cotton wool and fine dryish grass for her purpose. It was very cold weather when she built her first nest in a little basket which I fixed high up in her cage.

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