Shattil & Rozinski / Broad-tailed hummingbird (Selasphorus platycercus) hovering over Rocky Mountain Irises (Iris missouriensis) flowering in pasture, Wyoming, USA, North America

Shattil & Rozinski / Broad tailed hummingbird {Selasphorus platycercus} hovering, USA

Rolf Nussbaumer / Broad-tailed Hummingbird {Selasphorus platycercus} male and female in flight feeding on Musk Thistle (Carduus nutans) Rocky Mountain National Park, Colorado, USA, June

Rolf Nussbaumer / Broad-tailed Hummingbird {Selasphorus platycercus} male in flight feeding on Musk Thistle (Carduus nutans) Rocky Mountain National Park, Colorado, USA, June

Charlie Summers / Broad-tailed hummingbird (Selasphorus platycercus) female on nest, Aurora, Colorado.

Charlie Summers / Broad-tailed hummingbird (Selasphorus platycercus) female feeding chicks, about to fledge. Aurora, Colorado, USA. August.

Charlie Summers / Broad-tailed hummingbird (Selasphorus platycercus) chick fledging, exercising wings,. Aurora, Colorado, USA. August.

Charlie Summers / Broad-tailed Hummingbird (Selasphorus platycercus) two almost full grown chicks, too large for their nest. Aurora, Colorado, USA, August.

Mary McDonald / Broad-tailed hummingbird (Selasphorus platycercus) male drinking sugar water in flight, Madera Canyon, Southern Arizona, USA, May.

Charlie Summers / Female Broad-tailed Hummingbird (Selasphorus platycercus) in flight, Douglas County, Colorado, USA, August

Barry Mansell / Broad-tailed Hummingbird (Selasphorus platycercus) portrait of female, Chiricahua mountains, Arizona, USA

Shattil & Rozinski / Broad-tailed hummingbird (Selasphorus platycercus) hovering over Rocky Mountain Irises (Iris missouriensis) flowering in pasture, Wyoming, USA, North America