Feisty hummingbirds prioritize fencing over feeding
Thursday, January 3, 2019 - 09:20
in Biology & Nature
Most hummingbirds have bills and tongues exquisitely designed to slip inside a flower, lap up nectar and squeeze every last drop of precious sugar water from their tongue to fuel their frenetic lifestyle. But in the tropics of South America, University of California, Berkeley, scientists are finding that some male hummers have traded efficient feeding […]