Lester, David (2017) Non-human animal suicide could be tested. Animal Sentience 20(3)
David M. Peña-Guzmán, Can nonhuman animals commit suicide?
Schaefer (1967) showed that mice can discriminate live from dead mice and lethal from nonlethal environments, and that they avoid a lethal environment; but the experiment lacked some controls. This might be a way to test whether mice would ever choose a lethal environment. Humans may also choose a potentially lethal environment unconsciously.
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