A rare North American bumble bee may have been on a path toward extinction long before modern human impacts, suggesting that its long-term genetic vulnerability made it especially fragile and less ...
A rare North American bumble bee may have been on a path toward extinction long before modern human impacts, suggesting that its long-term genetic vulnerability made it especially fragile and less ...
Increasing summer temperatures, drought, disease, land use changes and insecticides have all been blamed for the precipitous ...
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