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

B&S Draker / Three Black-chinned Hummingbird (Archilochus alexandri) females feeding on Texas thistle (Cirsium texanum). Sinton, Corpus Christi, Coastal Bend, Texas, USA, May.

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

Donald M. Jones / Black-chinned Hummingbird (Archilochus alexandri) female feeding on flower, western Montana

Rolf Nussbaumer / Black chinned hummingbird {Archilochus alexandri} female feeding on Penstemon flower, Arizona, 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...