Form, Weight, and Special Adaptations

The weight of an adult North American beaver ranges between 40 and 50 lb (~18–23 kg). Recorded beaver weights are 96 lb (43.6 kg) in 1960 in Missouri¹ and about 110 lb (50 kg) in 1921 at the Iron River in Wisconsin.² The body including the tail reaches about 48 inches (1.2 m) in length. The tail its...

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Bibliographic Details
Published inThe Beaver p. 11
Main Author Dietland Müller-Schwarze
Format Book Chapter
LanguageEnglish
Published Cornell University Press 07.04.2011
Edition2
Subjects
adaptations
Anal glands
Anatomy
Animal anatomy
Animal Behaviour and Behavioural Ecology
Animal glands
Animal hair
Animal morphology
Animal organs
Animals
beaver
Biological sciences
Biology
Body regions
body weight
brain
Digestive system
digestive tract
Endocrine glands
Endocrine system
excretion
Eyes
Fur
Gonads
Hair
Head
Integumentary system
Mammals
Mouth
reproductive organs
Rodents
senses
Squirrels
tail
Teeth
Testes
Tooth enamel
Zoology
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Summary:The weight of an adult North American beaver ranges between 40 and 50 lb (~18–23 kg). Recorded beaver weights are 96 lb (43.6 kg) in 1960 in Missouri¹ and about 110 lb (50 kg) in 1921 at the Iron River in Wisconsin.² The body including the tail reaches about 48 inches (1.2 m) in length. The tail itself is about 16–17 inches (~40 cm) long, about 6–7 inches (16 cm) wide, and ¾ inch (1.9 cm) thick. In pairs of Eurasian beavers, the female is almost always larger than the male.³ Most distinctive for the beaver, the
ISBN:9780801450105
0801450101
DOI:10.7591/cornell/9780801450105.003.0002