What is the world's smallest mammal by mass?
Long-tailed planigale
Pygmy possum
Etruscan shrew
Pygmy jerboa
The Etruscan shrew is the smallest known mammal by mass, weighing only about 1.8 grams (0.063 oz) on average. The bumblebee bat is regarded as the smallest mammal by skull size and body length. It is characterized by very rapid movements and a fast metabolism, eating about 1.5–2 times its own body weight per day.
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Answers by country
Long-tailed planigale
Pygmy possum
Etruscan shrew
Pygmy jerboa
answers
Sweden
20
the United States
103
Australia
32
Pakistan
11
Greece
15
the United Kingdom
46
Poland
1730
Germany
146
India
76
Austria
34
Switzerland
13