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The razorbill (Alca torda) is a North Atlantic colonial seabird and the only extant member of the genus Alca of the family Alcidae, the auks. It is the closest living relative of the extinct great auk (Pinguinus impennis). Historically, it has also been known as "auk", "razor-billed auk" and "lesser auk".
Distribution and habitat, Taxonomy & Behavior
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razorbills alca breeding pairs species genus nest females sea north also males torda atlantic sites egg auk one population may
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Razorbill | is a | only living species | 0.90 | text |
| Carolus Clusius in 1605 | instance of | The word Alca had been used for the razorbill by earlier authors | 0.80 | text |
| Francis Willughby in 1676.The razorbill | instance of | The word Alca had been used for the razorbill by earlier authors | 0.80 | text |
| wing length | instance of | having only small differences | 0.80 | text |
| capelin | instance of | It consists generally of mid-water schooling fish | 0.80 | text |
| sandeels | instance of | It consists generally of mid-water schooling fish | 0.80 | text |
| juvenile cod | instance of | It consists generally of mid-water schooling fish | 0.80 | text |
| sprats | instance of | It consists generally of mid-water schooling fish | 0.80 | text |
| and herring | instance of | It consists generally of mid-water schooling fish | 0.80 | text |
| Razorbill | related to Behavior | The | 0.60 | section |
| Razorbill | related to Behavior | However | 0.60 | section |
| Razorbill | related to Behavior | In North America | 0.60 | section |
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