David Pattyn / Buff-tailed coronet hummingbird (Boissonneaua flavescens) two fighting, Mindo cloud forest area, Pichincha, Ecuador , July

David Pattyn / Buff-tailed Coronet (Boissonneaua flavescens), Bellavista private reserve, Mindo, Pichincha, Ecuador , July

David Pattyn / Buff-tailed Coronet (Boissonneaua flavescens), Bellavista private reserve, Mindo, Pichincha, Ecuador , July

David Pattyn / Buff-tailed Coronet (Boissonneaua flavescens), Bellavista private reserve, Mindo, Pichincha, Ecuador , July

David Pattyn / Buff-tailed Coronet (Boissonneaua flavescens) four perched at a hummingbird feeder, Bellavista private reserve, Mindo, Pichincha, Ecuador , July

Sandesh Kadur / Pair of Buff-tailed coronet (Boissonneaua flavescens) flying to perch on a branch, with rain falling, Ecuador.

Sandesh Kadur / Buff-tailed coronet (Boissonneaua flavescens) perched on a branch, with another one arriving, Ecuador.

E.J. Peiker/ BIA / Buff-tailed Coronet (Boissonneaua flavescens) hummingbird feeding on flower nectar, Ecuador

Konrad Wothe / Buff-tailed Coronet (Boissonneaua flavescens) female, Ecuador

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

Mary McDonald / Two Buff-tailed coronet (Boissonneaua flavescens) hummingbirds interacting, Andean montane forest, Ecuador. April.

Lucas Bustamante / Buff-Tailed Coronet hummingbird (Boissonneaua flavescens) flying to flower, Mindo, Pichincha, Ecuador .

Lucas Bustamante / Buff-tailed coronet (Boissonneaua flavescens) drinking nectar from a flower. Mindo, Pichincha, Ecuador.

Glenn Bartley/ BIA / Buff-tailed Coronet (Boissonneaua flavescens) hummingbird, Andes, Colombia

Glenn Bartley/ BIA / Buff-tailed Coronet (Boissonneaua flavescens), Colombia

Oliver Geiseler/ BIA / Buff-tailed Coronet (Boissonneaua flavescens) hummingbird, Tandayapa Valley, Ecuador

Steve Gettle / Buff-tailed Coronet (Boissonneaua flavescens) hummingbird, Tandayapa Valley, Ecuador

Pete Oxford / Buff-tailed Coronet (Boissonneaua flavescens) hummingbird, western slope of Andes, Ecuador

Pete Oxford / Buff-tailed Coronet (Boissonneaua flavescens) hummingbird, western slope of Andes, Ecuador

Melvin Grey / Buff-tailed coronet hummingbird (Boissonneaua flavescens) hummingbird adult male feeding on flower, Guango Lodge, Ecuador.

Tui De Roy / Buff-tailed Coronet (Boissonneaua flavescens) hummingbird taking flight, Bellavista Cloud Forest Reserve, Tandayapa Valley, Andes, Ecuador

Tui De Roy / Buff-tailed Coronet (Boissonneaua flavescens) hummingbird, Bellavista Cloud Forest Reserve, Tandayapa Valley, Andes, Ecuador

Guy Edwardes / Buff-tailed Coronet (Boissonneaua flavescens) about to take off, Bellavista, Ecuador

Guy Edwardes / Buff-tailed Coronet (Boissonneaua flavescens) perched, Belllavista, Ecuador

Guy Edwardes / Buff-tailed Coronet (Boissonneaua flavescens) perched, Belllavista, Ecuador

Guy Edwardes / Buff-tailed Coronet (Boissonneaua flavescens) perched, Belllavista, Ecuador

Guy Edwardes / Buff-tailed Coronet (Boissonneaua flavescens) perched, Belllavista, Ecuador

Guy Edwardes / Buff-tailed Coronet (Boissonneaua flavescens) perched, Belllavista, Ecuador

Glenn Bartley / Buff-tailed Coronet (Boissonneaua flavescens), Ecuador

Glenn Bartley / Buff-tailed Coronet (Boissonneaua flavescens) feeding on nectar, Ecuador

Glenn Bartley / Buff-tailed Coronet (Boissonneaua flavescens) feeding nectar, Ecuador

Glenn Bartley / Buff-tailed Coronet (Boissonneaua flavescens), Ecuador

Glenn Bartley / Buff-tailed Coronet (Boissonneaua flavescens) feeding on nectar, Ecuador

Tui De Roy / Buff tailed coronet (Boissonneaua flavescens) at nest, Bellavista cloud forest private reserve, Tandayapa Valley, Andean cloud forest, Tropical Andes, Ecuador

Tui De Roy / Buff tailed coronet (Boissonneaua flavescens) feeding at flowers, Bellavista cloud forest private reserve, Tandayapa Valley, Andean cloud forest, Tropical Andes, Ecuador

Tui De Roy / Buff tailed coronet (Boissonneaua flavescens) feeding at flowers, Bellavista cloud forest private reserve, Tandayapa Valley, Andean cloud forest, Tropical Andes, Ecuador

Tui De Roy / Buff tailed coronet (Boissonneaua flavescens) profile portrait, Bellavista cloud forest private reserve, Tandayapa Valley, Andean cloud forest, Tropical Andes, Ecuador

Steve Gettle / Buff-tailed Coronet (Boissonneaua flavescens)hummingbird feeding on flower nectar, Ecuador

Steve Gettle / Buff-tailed Coronet (Boissonneaua flavescens) hummingbird feeding on flower nectar, Ecuador

Pete Oxford / Buff-tailed Coronet hummingbird (Boissonneaua flavescens) perching on a feeder. Mindo cloudforest, west slope of the Andes, Ecuador.

Pete Oxford / Buff-tailed Coronet hummingbirds (Boissonneaua flavescens) interacting. Mindo cloud forest, Ecuador.

Tui De Roy / Buff-tailed Coronet (Boissonneaua flavescens) hummingbird landing, Bellavista Cloud Forest Reserve, Ecuador

Tui De Roy / Buff-tailed Coronet (Boissonneaua flavescens) hummingbird, Tandayapa Valley, Ecuador

Tui De Roy / Buff-tailed Coronet (Boissonneaua flavescens) hummingbird pair courting, Bellavista Cloud Forest Reserve, Tandayapa Valley, Ecuador

Pete Oxford / Buff-tailed Coronet (Boissonneaua flavescens) hummingbird, Mindo Cloud Forest, western slope of Andes, Ecuador

Pete Oxford / Buff-tailed Coronet (Boissonneaua flavescens) hummingbird, Mindo Cloud Forest, western slope of Andes, Ecuador

Pete Oxford / Buff-tailed Coronet (Boissonneaua flavescens) hummingbird, Mindo Cloud Forest, western slope of Andes, Ecuador

Rolf Nussbaumer / Buff-tailed Coronet hummingbird (Boissonneaua flavescens) adult clings to flower while feeding in the rain, Mindo, Ecuador, Andes, South America, January

Rod Williams / Buff tailed coronet {Boissonneaua flavescens} captive, from Andes, South America

Tom Vezo / Buff-tailed Coronet (Boissonneaua flavescens) hummingbird feeding on flower, Andes, Ecuador

Tom Vezo / Buff-tailed Coronet (Boissonneaua flavescens) hummingbird feeding on flower, Andes, Ecuador

Tom Vezo / Buff-tailed Coronet (Boissonneaua flavescens) hummingbird feeding on flower, Andes, Ecuador

Tom Vezo / Buff-tailed Coronet (Boissonneaua flavescens) hummingbird feeding on flower, Andes, Ecuador

Pete Oxford / Buff-tailed Coronet (Boissonneaua flavescens) hummingbird portrait, Mindo cloud forest, Andes Mountains, Ecuador

Tui De Roy / Buff-tailed Coronet (Boissonneaua flavescens) hummingbird at a bromeliad in cloud forest on west slope of Pichincha Volcano, Choco Darien region, Andes Mountains, Ecuador

Thomas Marent / Buff-tailed Coronet (Boissonneaua flavescens) hummingbird pair courting, Rio Blanco Nature Reserve, Colombia

Ingo Arndt / Buff-tailed Coronet (Boissonneaua flavescens) hummingbird, Andes, Ecuador

Tui De Roy / Buff-tailed Coronet (Boissonneaua flavescens) hummingbird feeding on flower nectar, Bellavista Cloud Forest Reserve, Tandayapa Valley, Andes, Ecuador

Tui De Roy / Buff-tailed Coronet (Boissonneaua flavescens) hummingbird feeding on flower nectar, Bellavista Cloud Forest Reserve, Tandayapa Valley, Andes, Ecuador

Tom Vezo / Buff-tailed Coronet (Boissonneaua flavescens) feeding on flower nectar

Steve Gettle / Buff-tailed Coronet (Boissonneaua flavescens) hummingbird feeding on flower nectar, Ecuador

Tui De Roy / Buff-tailed Coronet (Boissonneaua flavescens) hummingbird, Bellavista Cloud Forest Reserve, Tandayapa Valley, Ecuador

Tui De Roy / Buff-tailed Coronet (Boissonneaua flavescens) hummingbird feeding on nectar, Bellavista Cloud Forest Reserve, Tandayapa Valley, Ecuador

Pete Oxford / Buff-tailed Coronet (Boissonneaua flavescens) hummingbird, Mindo Cloud Forest, western slope of Andes, Ecuador

Pete Oxford / Buff-tailed Coronet (Boissonneaua flavescens) hummingbird, Mindo Cloud Forest, western slope of Andes, Ecuador

Steve Gettle / Buff-tailed Coronet (Boissonneaua flavescens) hummingbird feeding on flower nectar, Ecuador

Andy Rouse / Buff-tailed coronet hummingbird (Boissonneaua flavescens) perched on plant stem, cloud forest, Ecuador.

Andy Rouse / Sapphire-vented puffleg hummingbird (Eriocnemis luciani) and Buff-tailed coronet hummingbird (Boissonneaua flavescens) hovering next to flower, feeding on nectar, cloud forest, Ecuador.

Andy Rouse / Buff-tailed coronet hummingbird (Boissonneaua flavescens) perched on branch, cloud forest, Ecuador.

Karine Aigner / Buff-tailed coronet (Boissonneaua flavescens) hummingbird, Mindo Cloud Forest, western slope of Andes, Ecuador

Karine Aigner / Close-up of feathers from a Buff-tailed coronet hummingbird (Boissonneaua flavescens) Mindo, Pichincha, Ecuador

Karine Aigner / Buff-tailed coronet hummingbird (Boissonneaua flavescens) drinking from flower, Mindo, Pichincha, Ecuador

Karine Aigner / Buff-tailed coronet hummingbird (Boissonneaua flavescens) flying to flower, Mindo, Pichincha, Ecuador

Karine Aigner / Buff-tailed coronet hummingbird (Boissonneaua flavescens) drinking from flower, Mindo, Pichincha, Ecuador