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A honey bee flies to blossoms on a mirabelle tree with bulging “panties” full of pollen in Berlin on April 19, 2021. The fruit, also called yellow plum, flowers relatively early and offers nectar to the insects. To obtain some, bees collect pollen on their hind-leg hairs on a pistil and then fertilise the next flower. Only then can fruits develop. After the long winter rest, the bees make use of the rising temperatures to gather food for their brood. Honey bees fly only when the weather is warm for several consecutive days. (Photo by Wolfgang Kumm/dpa)
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