Marie Read / Ruby-throated Hummingbird (Archilocus colubris), male flying in to feed from cardinal flowers (Lobelia cardinalis) New York, USA. August.

Tim Fitzharris / Ruby-throated Hummingbird (Archilochus colubris) females feeding on flower nectar, Texas

Tim Fitzharris / Ruby-throated Hummingbird (Archilochus colubris) female and Bumblebee (Bombus sp) flying, Arkansas

Rolf Nussbaumer / Ruby-throated Hummingbird (Archilochus colubris), male in flight feeding on flower. Hill Country, Central Texas, USA, August.

Rolf Nussbaumer / Ruby-throated Hummingbird (Archilochus colubris) female feeding on flowering Texas Paintbrush (Castilleja indivisa) Fennessey Ranch, Refugio, Coastal Bend, Texas Coast, USA

Jim Brandenburg / Ruby-throated Hummingbird (Archilochus colubris) female flying, North America

Rolf Nussbaumer / Ruby throated hummingbird {Archilochus colubris} female feeds at sunflower. Texas, USA

Rolf Nussbaumer / Ruby throated hummingbird {Archilochus colubris} male flying. Texas, USA

Marie Read / Backyard setup for photographing Ruby-throated Hummingbirds (Archilocus colubris) in summer, New York, USA. A natural food plant (cardinal flower (Lobelia cardinalis)) in a floral tube of water is tie...

Marie Read / Backyard setup for photographing Ruby-throated Hummingbirds (Archilocus colubris) in summer, New York, USA. A medical syringe is used to inject a few drops of sugar solution into the flower (set up in...

Jouan Rius / Ruby-throated hummingbird (Archilochus colubris) female in flight feeding, California, USA, May.

Rolf Nussbaumer / Ruby-throated hummingbird (Archilochus colubris), female in flight feeding on Yellow bells (Tecoma stans) flower, Hill Country, Texas, USA. August