Both methods for obtaining nectar were effective, but the researchers think that the grooved - tongue bats may have an advantage in
acquiring nectar from flowers of certain shapes that hold the sweet liquid differently.
Miller - Struttmann and her colleagues then compared other decades - old data about plants visited by the bees with recent work on bee visits, and discovered that these two species had
acquired broader tastes than their recent ancestors, taking
nectar from many more kinds of
flowers than before.