News tagged with colony

Penguin chicks huddle up for heat, protection

Location and environmental conditions may influence when gentoo chicks huddle in cold, wet Antarctic conditions, according to a study published February 3, 2016 in the open-access journal PLOS ONE by Caitlin Black from the ...

dateFeb 03, 2016 in Plants & Animals
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The complex causes of worldwide bee declines

Over the past two decades, bee declines worldwide have drawn international attention. Managed honey bee (Apis mellifera) colonies decreased by 25% over 20 years in Europe and 59% over 58 years in North America, and many bumble ...

dateJan 12, 2016 in Plants & Animals
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Common insecticide may not harm bumble bees

Investigators have found no effect of an insecticide called thiamethoxam on bumble bees that forage on flowering winter oilseed rape. Using realistic field conditions, the researchers treated seeds of oilseed rape with the ...

dateDec 22, 2015 in Ecology
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Dam good research on invasive beavers in Patagonia

For three years, Duke student Alejandro Pietrek has bravely grappled with some unusual marauders of the forests and steppes of Patagonia: invasive beavers. A biology graduate student, Pietrek recently presented his dissertation ...

dateDec 14, 2015 in Ecology
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