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Bumblebees Play with Balls | Bee Culture
Bowling Ball Bumble Bee for my gardens. Wings were a bit more time consuming otherwise easy to make | Bowling ball crafts, Bowling ball yard art, Bowling ball art
Bumblebees Like Playing With Toys: See What That Looks Like - CNET
Score! Bumblebees see how to sink ball in goal, then do it better
Bumblebees Like Playing With Toys, Study Finds
Bumblebees get a buzz out of playing with balls, study finds | Animal behaviour | The Guardian
Bumblebees rolling wooden balls may be first evidence of insect play | New Scientist