{"id":11064,"date":"2021-11-05T15:26:27","date_gmt":"2021-11-05T15:26:27","guid":{"rendered":"https:\/\/managersoffice.net\/?p=11064"},"modified":"2021-11-05T15:26:28","modified_gmt":"2021-11-05T15:26:28","slug":"polar-bear-communication","status":"publish","type":"post","link":"https:\/\/managersoffice.net\/el\/polar-bear-communication\/","title":{"rendered":"Polar Bear Communication"},"content":{"rendered":"<ul><li>Bear vocalization (and hearing) not well known.<ul><li>Knowledge of the bears&#8217; hearing range important for establishing effects of noise disturbance on these bears. (Owen 2007)<\/li><\/ul><\/li><li>Females and cubs use chuffing call with each other.<ul><li>1-32 low intensity sound pulses emitted in rapid succession<\/li><li>Most frequent in cub&#8217;s early months.<\/li><\/ul><\/li><li>Chuffing call infrequent in adults; may signal stress\/agitation.<\/li><li>Bears snort \/chuff, growl, and chomp teeth when aggressive<\/li><li>Polar Bears raised in managed care &#8220;groaned and chuffed&#8221; when presented with underwater call of Ringed Seals (their favored prey). (Cushing et al 1988)<\/li><li>Preliminary investigations of acoustic communication in Polar Bears indicate they can produce low frequency sounds. (Owen 2009)<\/li><\/ul>\n\n\n\n<p><strong>Olfactory and visual signals<\/strong><\/p>\n\n\n\n<ul><li>Highly developed sense of smell.<ul><li>Detect breathing holes of Ringed Seal from at least 1 kilometer (.6 mi)<\/li><\/ul><\/li><li>Use of scents (pheromones) not documented but probably present when males seek females.<ul><li>Adult male may walk 10 km in a straight line in search of a breeding female&#8217;s track.<\/li><li>Once track crossed, recognition is instantaneous and he will proceed until he catches up to her.<\/li><\/ul><\/li><li>Limited number of visual facial signals. (Kurt 1990)<ul><li>Facial muscles poorly developed.<\/li><li>Unlike highly social cats and wolves, solitary lifestyle doesn&#8217;t require elaborate mechanisms for group coexistence.<\/li><\/ul><\/li><\/ul>\n\n\n\n<p class=\"has-text-align-right\"><strong><em>Source: San Diego Zoo wildlife Alliance Library<\/em><\/strong><\/p>\n\n\n\n<p><strong>Manager\u2019s Office Team<\/strong><\/p>","protected":false},"excerpt":{"rendered":"<p>Bear vocalization (and hearing) not well known. Knowledge of the bears&#8217; hearing range important for establishing effects of noise disturbance&hellip;<\/p>","protected":false},"author":3,"featured_media":11065,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mo_disable_npp":""},"categories":[191],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Polar Bear Communication - Manager&#039;s Office<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/managersoffice.net\/el\/polar-bear-communication\/\" \/>\n<meta property=\"og:locale\" content=\"el_GR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Polar Bear Communication - Manager&#039;s Office\" \/>\n<meta property=\"og:description\" content=\"Bear vocalization (and hearing) not well known. 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