natural history
US /ˌnætʃ.ər.əl ˈhɪs.tər.i/
UK /ˌnætʃ.ər.əl ˈhɪs.tər.i/

1.
storia naturale
the scientific study of animals or plants, especially as observed in their natural environment
:
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She has a keen interest in natural history and spends hours observing birds.
Ha un vivo interesse per la storia naturale e passa ore a osservare gli uccelli.
•
The museum has an impressive collection of exhibits on natural history.
Il museo ha una collezione impressionante di mostre sulla storia naturale.