parasitic bees Animals 

Parasitic Bees: Natural-Born Robbers

By Steven Spence Photography by John Kimbler When we think of bees, most of us picture honeybees or possibly bumblebees. In fact, there are over 20,000 species of bees. Some are social, such as honeybees and bumblebees, while others are solitary. Bees typically build nests, collect pollen and nectar, and care for their offspring. Some bees, though, do not busy themselves with these things; instead, they move in as parasites, taking over other bees’ nests. Estimates based on surveys of North American bees indicate that as many as 15 percent…

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