Visuals Unlimited / Booted Racket tail Hummingbird (Ocreatus underwoodii) male flying, Tandayapa Valley, Ecuador.

Rolf Nussbaumer / Booted Racket-tail hummingbird (Ocreatus underwoodii) male flying, feeding from flower, Mindo, Ecuador, Andes, South America, January

Konrad Wothe / Booted Racket-tail (Ocreatus underwoodii) feeding on flower nectar, Ecuador

Ingo Arndt / White-bellied woodstar (Chaetocercus mulsant) and Booted racket-tail (Ocreatus underwoodii) female. Hummingbirds necaring on flower. Western slope of Andes, Ecuador. October.

Ingo Arndt / Booted racket-tail hummingbird (Ocreatus underwoodii) male flying below flower. Western slope of Andes, Ecuador. October.

Lucas Bustamante / Buff-tailed coronet (Boissonneaua flavescens) and female Rufous booted racket tail (Ocreatus underwoodii addae) fighting in flight, Mashpi, Pichincha, Ecuador.

Lucas Bustamante / Booted racket tail (Ocreatus underwoodii) two males fighting in flight, Mindo, Pichincha, Ecuador.

Mary McDonald / Rufous-booted racquet-tail (Ocreatus underwoodii peruanus) male hummingbird landing, Amazonian foothill forest, Ecuador. April.

Melvin Grey / Booted racket-tail (Ocreatus underwoodii melanantherus) adult male perched on moss-covered branch situated near feeder, Mindo Loma, Ecuador. February.

Melvin Grey / Booted racket-tail hummingbird (Ocreatus underwoodii melanantherus) hummingbird adult male flying to feed from flower,. Tandayapa, Ecuador

David Tipling / Rufous-tailed Hummingbird (Amazilia tzacatl) and Booted racket-tails (Ocreatus underwoodii) around feeder, Ecuador.

Guy Edwardes / Booted Racket-tail Hummingbird (Ocreatus underwoodii) perched, Belllavista, Ecuador

Visuals Unlimited / Booted Racket tail Hummingbird (Ocreatus underwoodii) male hovering and feeding at a red tubular flower, Tandayapa Valley, Ecuador.

Visuals Unlimited / Booted Racket tail Hummingbird (Ocreatus underwoodii) female perched on a branch in the Tandayapa Valley of Ecuador.

Visuals Unlimited / Booted Racket tail Hummingbird (Ocreatus underwoodii) female perched on a branch in the Tandayapa Valley of Ecuador.

Visuals Unlimited / Booted Racket tail hummingbird (Ocreatus underwoodii) male flying and feeding at a red tubular flower in the Tandayapa Valley in Ecuador.

Visuals Unlimited / Booted Racket tail Hummingbird (Ocreatus underwoodii) male flying at the Wildsumaco Reserve in eastern Ecuador.

Visuals Unlimited / Booted Racket tail Hummingbird (Ocreatus underwoodii) female flying at the Wildsumaco Reserve in eastern Ecuador.

Visuals Unlimited / Booted Racket tail Hummingbird (Ocreatus underwoodii) female perched on a branch in the Tandayapa Valley, Ecuador.

Visuals Unlimited / Booted Racket tail Hummingbird (Ocreatus underwoodii) male perched on a branch in the Tandayapa Valley of Ecuador.

Visuals Unlimited / Booted Racket tail Hummingbird (Ocreatus underwoodii) male perched on a branch in the Tandayapa Valley of Ecuador.

Visuals Unlimited / Booted Racket tail Hummingbird (Ocreatus underwoodii) male perched on a branch in the Tandayapa Valley of Ecuador.

Visuals Unlimited / Booted Racket tail Hummingbird (Ocreatus underwoodii) male flying and feeding at a red tubular flower in the Tandayapa Valley in Ecuador.

Tui De Roy / Booted racket tail (Ocreatus underwoodii) Bellavista cloud forest private reserve, 1700m altitude, Tandayapa Valley, Andean cloud forest, Tropical Andes, Ecuador

Rolf Nussbaumer / Booted Racket-tail hummingbird (Ocreatus underwoodii) and Purple-bibbed Whitetip (Urosticte benjamini), adults feeding from Ginger flower, Mindo, Ecuador, Andes, South America, February

Rolf Nussbaumer / Booted Racket-tail (Ocreatus underwoodii) and Green-Crowned Woodnymph (Thalurania fannyi) adults feeding on flower, Mindo, Ecuador, Andes, South America, February

Rolf Nussbaumer / Booted Racket-tail (Ocreatus underwoodii), Green-Crowned Woodnymph (Thalurania fannyi) and Brown Inca (Coeligena wilsoni) adults feeding on Ginger flower, Mindo, Ecuador, Andes, South America, Februar...

Rolf Nussbaumer / Booted Racket-tail hummingbird (Ocreatus underwoodii) female flying, feeding from flower, Mindo, Ecuador, Andes, South America, January

Rolf Nussbaumer / Booted Racket-tail hummingbird (Ocreatus underwoodii) male flying, feeding from flower, Mindo, Ecuador, Andes, South America, January

Rolf Nussbaumer / Booted Racket-tail hummingbird (Ocreatus underwoodii) female flying, feeding from flower, Mindo, Ecuador, Andes, South America, January

Rolf Nussbaumer / Booted Racket-tail hummingbird (Ocreatus underwoodii) two females feeding from flower, Mindo, Ecuador, Andes, South America, January

Rolf Nussbaumer / Booted Racket-tail hummingbird (Ocreatus underwoodii), male flying / feeding from Ginger flower, Mindo, Ecuador, Andes, South America, January

Rolf Nussbaumer / Booted Racket-tail hummingbird (Ocreatus underwoodii) male perched, Mindo, Ecuador, Andes, South America, January

Rolf Nussbaumer / Booted Racket-tail hummingbird (Ocreatus underwoodii) flying / feeding and Purple-bibbed Whitetip (Urosticte benjamini) perched, Mindo, Ecuador, Andes, South America, February

Pete Oxford / Booted racket tail {Ocreatus underwoodii} Mindo cloud forest, Ecuador.

E.J. Peiker/ BIA / Booted Racket-tail (Ocreatus underwoodii) hummingbird feeding on flower nectar, Ecuador

Konrad Wothe / Booted Racket-tail (Ocreatus underwoodii) feeding on flower nectar, Ecuador

Konrad Wothe / Booted Racket-tail (Ocreatus underwoodii) feeding on flower nectar, Ecuador

Glenn Bartley/ BIA / Booted Racket-tail (Ocreatus underwoodii) hummingbird feeding on flower nectar, Ecuador

Steve Gettle / Booted Racket-tail (Ocreatus underwoodii) hummingbird feeding on flower nectar, Tandayapa Valley, Ecuador

Murray Cooper / Booted Racket-tail (Ocreatus underwoodii) hummingbird, Ecuador

Murray Cooper / Booted Racket-tail (Ocreatus underwoodii) hummingbird, Ecuador

Nate Chappell/ BIA / Booted Racket-tail (Ocreatus underwoodii) males fighting, Pichincha, Ecuador

Tui De Roy / Booted Racket-tail (Ocreatus underwoodii) hummingbird, Bellavista Cloud Forest Reserve, Tandayapa Valley, Andes, Ecuador

Glenn Bartley / Booted Racket-tail (Ocreatus underwoodii) hummingbird feeding on flower nectar, Ecuador

Glenn Bartley / Booted Racket-tail (Ocreatus underwoodii) hummingbird landing, Ecuador

Glenn Bartley / Booted Racket-tail (Ocreatus underwoodii) male, Ecuador

Glenn Bartley / Booted Racket-tail (Ocreatus underwoodii) female, Ecuador