The National Geographic Magazine, Volume 201National Geographic Society., 2002 - Geography |
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Page 119
... million pounds of bugs in a night . T HE NIGHTLY FLIGHTS in spring and early summer involve an estimated 100 million Mexican free - tailed bats emerging from a dozen major caves in south - central Texas . Perhaps another 50 million live ...
... million pounds of bugs in a night . T HE NIGHTLY FLIGHTS in spring and early summer involve an estimated 100 million Mexican free - tailed bats emerging from a dozen major caves in south - central Texas . Perhaps another 50 million live ...
Page 120
... million bats can devour about ten tons of insects nightly . That means the 100 million free - tailed bats in south - central Texas must eat an incredible 1,000 tons - two million pounds of insects in a single night . Since bats in other ...
... million bats can devour about ten tons of insects nightly . That means the 100 million free - tailed bats in south - central Texas must eat an incredible 1,000 tons - two million pounds of insects in a single night . Since bats in other ...
Page 35
... million acres in 13 countries , among them Argentina , Canada , China , South Africa , Australia , Germany , and Spain . On U.S. farmland , acreage planted with genetically engineered crops jumped nearly 25 - fold from 3.6 million acres ...
... million acres in 13 countries , among them Argentina , Canada , China , South Africa , Australia , Germany , and Spain . On U.S. farmland , acreage planted with genetically engineered crops jumped nearly 25 - fold from 3.6 million acres ...
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