Hummingbird bills -- their long, thin beaks -- look a little like drinking straws. But new research shows just how little water, or nectar, that comparison holds. Scientists have discovered that the ...

The development of the proboscis, a coiled straw-like mouthpart that can suck up nectar and other fluids, helped boost the diversity of Lepidoptera. Here, a tiger longwing, Heliconius hecale, drinks ...

Hummingbird bills — their long, thin beaks — look a little like drinking straws. The frenetic speed at which they get nectar out of flowers and backyard feeders may give the impression that the bills ...