Navigating In The Dark

Bumblebee

We think of Bumblebees as daylight flyers that rely on visual cues to find food and return to the nest. Howesver, when pitched in total darkness, bumblebees can still find their way. This is adaptive as many bumblebees nest in mouse holes with tortuous (and dark!) underground galleries. When bumblebees were placed in complete darkness, they were able to navigate to a sugar solution 40 cm distant and back to their nest.* The navigation to the food was not direct and neither was the…

Source: Living With Insects Blog

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