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Day April 10, 2021

Short-Tongued Bombus

A study in Science shows that in a period of just 40 years two alpine bumblebee species (Bombus balteatus and Bombus sylvicola) rapidly evolved significantly shorter tongues. Short-tongued species are more generalist foragers, able to feed on many different types of flowers. They are replacing more specialised, long-tongued bumble bees that feed on flowers with deep corolla tubes. […]