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Beavers (genus Castor) are large semiaquatic rodents of the Northern Hemisphere. There are two extant species: the North American beaver (Castor canadensis) and the Eurasian beaver (C. fiber). Beavers are the second-largest living rodents, after capybaras, weighing up to 50 kg (110 lb). They have stout bodies with large heads, long chisel-like incisors…
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beavers water species north dams used may american fur also castor beaver's ponds lodges castoreum eurasian one tail two typically
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| rivers | instance of | EcologyBeavers live in freshwater ecosystems | 0.80 | text |
| streams | instance of | EcologyBeavers live in freshwater ecosystems | 0.80 | text |
| lakes | instance of | EcologyBeavers live in freshwater ecosystems | 0.80 | text |
| ponds | instance of | EcologyBeavers live in freshwater ecosystems | 0.80 | text |
| leaves | instance of | they mainly feed on herbaceous plant material | 0.80 | text |
| roots | instance of | they mainly feed on herbaceous plant material | 0.80 | text |
| herbs | instance of | they mainly feed on herbaceous plant material | 0.80 | text |
| ferns | instance of | they mainly feed on herbaceous plant material | 0.80 | text |
| grasses | instance of | they mainly feed on herbaceous plant material | 0.80 | text |
| sedges | instance of | they mainly feed on herbaceous plant material | 0.80 | text |
| water lilies | instance of | they mainly feed on herbaceous plant material | 0.80 | text |
| water shields | instance of | they mainly feed on herbaceous plant material | 0.80 | text |
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