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Czasopismo

1998 | 43 | 3 |

Tytuł artykułu

Abnormal incisor growth in Eurasian beaver

Autorzy

Warianty tytułu

Języki publikacji

EN

Abstrakty

EN
An abnormally long incisor of an adult Eurasian beaver Castor fiber Linnaeus, 1758 is reported. The animal weighed about 20 kg and was in good condition when shot at 3 years of age. The tooth had grown at an angle in towards the beaver's left eye. Assuming the animal to be 35 months old and total tooth length to be 13.5 cm, then growth rate would have been 0.39 cm per month. This report indicates that beaver can survive despite abnormal growth of one incisor.

Wydawca

-

Czasopismo

Rocznik

Tom

43

Numer

3

Opis fizyczny

p.329-332,fig.

Twórcy

autor
  • Telemark College, N-3800 Bo, Norway, e-mail: Frank.Rosell@hit.no
autor

Bibliografia

  • Allred M. 1986. Beaver behavior: architect of fame & bane! Happy Camp, California: Naturegraph: 1-110.
  • Cave A. J. E. 1984. Dentitional anomalies in the beaver and some other mammals. [In: Investigations on beavers II. G. Pilleri, ed). Institute of brain anatomy. University of Berne, Berne: 145-151.
  • Dzięciołowski R. 1996. [Beaver], Wydawnictwo SGGW, Warszawa: 1-124. [In Polish]
  • Hartman G. 1992. Age determination of live beaver by dental x-ray. Wildlife Society Bulletin 20: 216-220.
  • Leighton A. H. 1932. Notes on the beaver's individuality and mental characteristics. Journal of Mammalogy 12: 117-126.
  • Macdonald D. W., Tattersall F. H., Brown E. D. and Balharry D. 1995. Reintroducing the European beaver to Britain: nostalgic meddling or restoring biodiversity? Mammal Review 25: 161-200.
  • Morgan L. H. 1868. The American beaver and his works. J. D. Lippincott and Company. Philadelphia: 1-330.
  • Novak M. 1987. Beaver. [In: Wild furbearer management and conservation in North America, Ontario. M. Novak, J. A. Baker, M. E. Obbard and B. Malloch, eds]. Ontario Ministry of Natural Resources: 283-312.
  • Osborn J. W. 1969. Dentine hardness and incisor wear in the beaver (Castor fiber). Acta Anatómica 72: 123-132.
  • Patenaude F. 1983. Care of the young in a family of wild beavers, Castor canadensis. Acta Zoologica Fennica 174: 121-122.
  • Patenaude F. 1984. The ontogeny of behavior of free-living beavers (Castor canadensis). Zeitschrift für Tierpsychologie 66: 33-44.
  • Patenaude F. and Bovet J. 1984. Self-grooming and social grooming in the North American beaver, Castor canadensis. Canadian Journal of Zoology 62: 1872-1878.
  • Schadle A. R. 1956. The American beaver. Animal Kingdom. 59-61.
  • Valeur P. 1988. [Territorial behavior as factor in regulation of populations in beaver]. Fauna 41: 20-34. [In Norwegian with English summary]
  • Walro J. M. 1980. Castor and anal glands of North American beaver (Castor canadensis): histology and communicatory) functions of secretions. Ph D thesis, Ohio University, Athens.
  • Wilkinson P. M. 1962. A life history study of the beaver in east-central Alabama. M Sc thesis, Auburn University, Auburn, Alabama.
  • Wilsson L. 1971. Observations and experiments on the ethology of the European beaver (Castor fiber L). Viltrevy 8: 115-266.
  • Żurowski, W. and Krzywiński A. 1974. Anomalies in the wear of incisors in the European beaver. Acta Theriologica 19: 367-378.

Typ dokumentu

Bibliografia

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