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

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

Karine Aigner / Booted racket-tail hummingbird (Ocreatus underwoodii melanantherus) hummingbird sitting on a branch. Mindo, Ecuador