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• The last mammoths in Siberia were American
Scientists have always thought that because mammoths roamed such a huge territory — from Western Europe to Central North America — that North American woolly mammoths were a sideshow of no particular significance to the evolution of the species ...
• Songbird's duets not so harmonious
Extra-pair matings have been documented in this species and most other birds. "Moreover, rufous-and-white wrens frequently engage in divorce," the authors point out.
• Canada’s top attractions
Approximately 1.2 million visitors a year come to marvel at the world’s highest tide (the sea rises 50 feet in about six hours) and to take in the myriad natural phenomena, including several species of rare and endangered whales.
• Jamaican lizards work out at dusk and dawn
He studied four different species of Anolis lizards at various sites on the island of Jamaica. Adult males were the primary focus of his research, since previous studies had found that the lizards' mating system relies on males establishing and ...
• Deep-voiced deer are luckier in love
They must be the most vocal deer species in the world," said researcher Alan McElligott, a behavioral ecologist now at the University of Nottingham in England.