"Nobody would ever think of an oak for attracting hummingbirds, but when the male flowers are all over live oaks, the hummingbirds are just chatting away," he adds. "Hummingbird feeders—full of ...

The male ruby-throated hummingbird does indeed have a striking ... They hover to feed on flowers, nectar, and sap. During this floral feeding process, the birds pollinate many plants.

Next, they inserted the beak with its load of fluorescent pollen into a new set of male and female flowers and tracked where the marked and unmarked pollen particles ended up. The hummingbird ...

A common species of western mountains, where the male’s diagnostic, cricketlike wing trill is a characteristic sound. Like many “western” hummingbirds, the broad-tailed is increasingly found ...