Quick answer
North American Beavers (Castor canadensis) typically live around 10–20 years in the wild. Wild averages fall when predation, disease, or habitat loss rise; managed populations can live longer with stable food and veterinary care.
Key takeaway
North American Beavers (Castor canadensis) typically live around 10–20 years in the wild. Wild averages fall when predation, disease, or habitat loss rise; managed populations can live longer with stable food and veterinary care.
North American Beaver lifespan in the wild
Field and museum records place most north american beavers near 10–20 years in the wild. That figure blends ages at death across regions, so treat it as a planning range. Body size (16–32 kg (35–70 lb)) and risk lifestyle both shape the average.
What shortens north american beaver lives
Predation, infectious disease, injury, food shortages, and habitat fragmentation cut survival. Roadkill and human conflict matter wherever north american beavers share landscapes with people.
What helps north american beavers live longer
Connected habitat, low chronic stress, and reliable food support longevity. For captive or domestic relatives, species-correct diet and veterinary screening matter more than generic “pet” advice.
North American Beaver life stages
Juveniles usually face higher mortality than prime adults. Older animals may move less, show dental wear, or lose body condition — useful signs when ageing north american beavers in the field.
Recovery from trapping
Beavers were trapped nearly to extinction for fur hats in the 1800s but rebounded after protection and reintroduction. Today they are Least Concern, though conflicts with landowners over flooded roads and timber prompt relocation or flow-device management in many states.
Keystone role
By slowing water and creating ponds, beavers increase biodiversity, store carbon in sediments, and improve drought resilience. Reintroduction projects in the UK and Europe aim to restore these benefits after centuries of local extinction.
Sources
North American Beaver FAQs
How long do north american beavers live?
North American Beavers (Castor canadensis) typically live around 10–20 years in the wild. Wild averages fall when predation, disease, or habitat loss rise; managed populations can live longer with stable food and veterinary care.
What is the scientific name of the north american beaver?
Castor canadensis — used in research and conservation listings for north american beavers.
What do north american beavers eat?
North American Beavers eat bark, twigs, aquatic plants, and roots, with seasonal and regional variation in Rivers, lakes, and ponds across North America.
Where do north american beavers live?
They are associated with Rivers, lakes, and ponds across North America. Local presence depends on food, cover, and human land use.
What is the conservation status of north american beavers?
Listed in our guides as Least Concern. Check the IUCN Red List and national assessments for the latest formal category.