This species was until recently considered a subspecies of A. torquatus. Like other species of the genus, it is a bird with semi-terrestrial habits that remains solitary or in pairs. Its name Arremon derives from the Greek root arrhemon = silent and its epithet assimilis derives from Latin and means similar, indicating a similarity with another species.

The Santa Marta mountain tanager (Anisognathus melanogenys), also known as the black-cheeked mountain tanager, is a species of bird in the family Thraupidae. It is endemic to highland forest in the Santa Marta Mountains in Colombia. It is closely related to the widespread lacrimose mountain tanager, but the distributions of the two do not overlap.

The little blue heron (Egretta caerulea) is a small heron. It breeds in the Gulf states of the US, through Central America and the Caribbean south to Peru and Uruguay. It is a resident breeder in most of its range, but some northern breeders migrate to the southeastern US or beyond in winter. There is post-breeding dispersal to well north of the nesting range, as far as the Canada–US border.

It is a small hummingbird with a short beak, endemic to the biogeographic Choco. It has an iridescent purple pectoral crescent and conspicuous, mainly white inner rectrices. Its name Urosticte means spotted tail and derives from the Greek roots oura = tail and stiktos = spotted. The Benjamin Pitet was established in honor of the naturalist and merchant John Benjamin Leadbeater.

This family has some characteristics by which it stands, first, plumage coloration is more or less similar to the habitat in which it lives what serves to camouflage themselves, therefore prevail plumages coffee shades, reddish, gray, beige or black and white, and sometimes presents lists, barred or stained patterns; second, they are highlighted by the arrangement of the tail usually kept in a perpendicular and rigid position at the time they are perched or singing.

It is the only hummingbird in the highlands with completely white underparts. Her name Amazilia was established in honor of Amazili, who was an Inca heroine in Jeam Marmontel’s novel Les Incas, ou la destruction de l’Empire du Pérou. His French epithet was established in honor of Francia Bourcier, the daughter of the naturalist Jules Bourcier, an expert in hummingbirds.

Bird from the highlands of the Andes, silent and inconspicuous despite its large size. Momotus comes from the specific name Ramphastos momota and the epithet Aequatorialis is a term from the Latin language that means equatorial.

The black-thighed puffleg (Eriocnemis derbyi) is a species of hummingbird in the Trochilidae family. It is found at humid forest edge and ravines in the Andean highlands of Colombia and northern Ecuador. It is threatened by habitat loss. As suggested by its name, the feathering around its legs is black, which is unique among the pufflegs. Otherwise its plumage is green with a contrastingly black tail.

For a long time, it was considered an endemic species to Colombia although recently a population was found in the north of Ecuador. Its name Grallaria derives from the modern Latin grallarius = stiltwalker and the epithet rufocinerea from the Latin roots rufus = rufous and cinereus = ash gray.