Bumblebees carried more heavy metals than honeybees sharing the same landscape, suggesting that pollution exposure can vary substantially between bee species. Bumblebees living beside honeybee colonies in Cambridgeshire brought back pollen with far higher levels of toxic metals. For most of the metals tested, concentrations were between two and seven times those in honeybee pollen, [...] 
Bengali (Bangladesh) · 
English (United States) ·