True Facts: The Beaver

Video Description

Sign up for Curiosity Stream with code: ZEFRANK : http://www.curiositystream.com/zefrank Posters and shirts: https://ze-true-store.myshopify.com/ Patreon: https://patreon.com/truefacts Mike's Video's of Beavers: https://www.youtube.com/channel/UCAz9RfinLIsW13Lt5TsT2Tw Janet Pesaturo's channel: https://www.youtube.com/c/Ouroneacrefarm133/videos Thank you to: Dr. Vanessa Petro, Oregon State Univ. Dr. Peter Busher, Boston Univ. Dr. Emily Fairfax, CSU Channel Islands Dr. Clint Epps, Oregon State Univ. Dr. Lyle M. Gordon, Northwestern Univ. Mike Callahan, Beaver Institute Bob Armstrong “Nature Bob,” Univ. of Alaska Michael Graydon Ben Goldfarb, author of “Eager: The Surprising, Secret Life of Beavers and Why They Matter" James St. John Julio Lacerda Thilo Park Janet Pesaturo, Winterberry Wildlife N.Tamura National Wildlife Research Center, Oregon Field Station Jak Wonderly US Forest Service Mendenhall Glacier Web Cam CC Images: Beaver Skull Cut: Thilo Parg / Wikimedia Commons CC BY 4.0 https://commons.wikimedia.org/wiki/File:Schaedel_Biber_Laengsschnitt_Nagezaehne_1.jpg Palaeocastor fossor and Palaeocastor and burrow in National Museum of Natural History: Claire H. (flickr) CC BY 2.0 https://en.wikipedia.org/wiki/Palaeocastor#/media/File:Palaeocastor_fossor.jpg Palaeocastor BW.jpg: Nobu Tamura CC3.0 Unported https://en.wikipedia.org/wiki/Palaeocastor#/media/File:Palaeocastor_BW.jpg Daemonelix burrow James St. John CC-BY 2.0 https://commons.wikimedia.org/wiki/File:Daemonelix_(fossil_beaver_burrows)_(Harrison_Formation,_Middle_Miocene;_Sioux_County,_Nebraska,_USA)_4_(32674818704).jpg Additional footage from: Envato Elements Shutterstock.com Pond5.com Alamy.com Citations: Aleksiuk, M. Scent-Mound Communication, Territoriality, and Population Regulation in Beaver (Castor canadensis Kuhl), Journal of Mammalogy, Volume 49, Issue 4, 26 November 1968, Pages 759–762,  https://doi.org/10.2307/1378741 Badyaev, A.V. Beavers: Masters of Downfall. National Wildlife, July 25, 2015. Brazier, R.E., Puttock, A., Graham, H.A., Auster, R.E., Davies, K.H., Brown, C.M.L. Beaver: Nature's ecosystem engineers. WIREs Water. 2021; 8:e1494. https://doi.org/10.1002/wat2.1494 Buech, R. R. (1984). Ontogeny and Diurnal Cycle of Fecal Reingestion in the North American Beaver (Castor canadensis). Journal of Mammalogy, 65(2), 347–350. https://doi.org/10.2307/1381180 Gordon L.M., Cohen M.J., MacRenaris K.W., Pasteris J.D., Seda T., Joester D. Dental materials. Amorphous intergranular phases control the properties of rodent tooth enamel. Science. 2015 Feb 13;347(6223):746-50. doi: 10.1126/science.1258950. PMID: 25678658. Halicioglu K, Celikoglu M, Buyuk SK, Sekerci AE, Ucar FI, Yavuz I. Three-dimensional evaluation of the mandibular third molars' development in unilateral crossbite patients: A cone beam computed tomography study. Eur J Dent. 2014 Jul;8(3):389-394. doi: 10.4103/1305-7456.137653. PMID: 25202221; PMCID: PMC4144139. Pop-Ciutrila, Ioana-Sofia & Ghinea, Razvan Ionut & Colosi, Horațiu & Ruiz-López, Javier & Pérez Gómez, María del Mar & Paravina, Rade & Dudea, Diana. (2021). Color compatibility between dental structures and three different types of ceramic systems. BMC Oral Health. 21. 10.1186/s12903-021-01404-7. Morris, P.J.R., Cox, P.G. & Cobb, S.N.F. The biomechanical significance of the elongated rodent incisor root in the mandible during incision. Sci Rep 12, 3819 (2022). https://doi.org/10.1038/s41598-022-07779-z Mott C.L., Bloomquist, C.K., and Nielsen, C.K. Seasonal, diel, and ontogenetic patterns of within-den behavior in beavers (Castor canadensis),Mammalian Biology, Volume 76, Issue 4, 2011,Pages 436-444, ISSN 1616-5047, https://doi.org/10.1016/j.mambio.2010.09.002. Muller, G. and Watling, J. (2016) The engineering in beaver dams. River Flow 2016: Eighth International Conference on Fluvial Hydraulics, , Saint Louis, United States. 12 - 15 Jul 2016. 7 pp. Patenaude, F. and Bovet, J.. Self-grooming and social grooming in the North American beaver, Castor canadensis.  Canadian Journal of Zoology. 62(9): 1872-1878. https://doi.org/10.1139/z84-273 Richard, P.B. Le déterminisme de la construction des barrages chez le Castor du Rhône. Revue d’Ecologie, Terre et Vie, Société nationale de protection de la nature, 1967, pp.339-470. hal-03531683 Rosell, F., Bergan, F. & Parker, H. Scent-Marking in the Eurasian Beaver (Castor fiber) as a Means of Territory Defense. J Chem Ecol 24, 207–219 (1998). https://doi.org/10.1023/A:1022524223435 Stefen, C., Habersetzer, J., and Witzel, U. Biomechanical aspects of incisor action of beavers ( Castor fiber L.) ,  Journal of Mammalogy, Volume 97, Issue 2, 23 March 2016, Pages 619–630,  https://doi.org/10.1093/jmammal/gyv209 Wilsson, L. Observations and Experiments on the Ethology of the European Beaver (Castor Fiber L.). Swedish Wildlife, Published by Swedish Sportsmen’s Association Vol. 8 Number 3.