Cownose rays died because of oxygen level – Calgary CTV
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Cownose rays died because of oxygen level
Calgary CTV – 39 minutes ago The Calgary Zoo admits they knew months ago what caused the death for 41 cownose rays. Dr, Clement Lanthier, the president and CEO of the Zoo, said he knew as early as November that oxygen levels were too low for the animals to survive. Lack of oxygen killed stingrays, Calgary Zoo admits CBC.ca Another cownose ray dies at Calgary Zoo Canada.com CHQR – Canoe.ca – 660 News – Calgary CTV all 22 news articles |