Quetzals (/ktsl, ktsl/) are strikingly colored birds in the trogon family. They are found in forests, especially in humid highlands, with the five species from the genus Pharomachrus being exclusively Neotropical, while a single species, the eared quetzal, Euptilotis neoxenus, is found in Guatemala, sometimes in Mexico and very locally in the southernmost United States.[1] In the highlands of the states of Sonora, Chihuahua, Sinaloa, Durango, Nayarit, Zacatecas, Jalisco, and Michoacn, the eared quetzal can be found from northwest to west-central Mexico. It is a Mesoamerican indigenous species, but some reports show that it occasionally travels and nests in southeastern Arizona and New Mexico in the United States. June to October is the mating season for eared quetzals.[2] Quetzals are fairly large (all over 32 cm (13 in) long), slightly bigger than other trogon species.[3][4] The resplendent quetzal is the national bird of Guatemala because of its vibrant colour.

Quetzals have iridescent green or golden-green wing coverts, back, chest and head, with a red belly. Their wings are suited to camouflage under rainy conditions, because their feathers blend well with wet and shiny green area.[5] They are strongly sexually dimorphic, and parts of the females' plumage are brown or grey. The tails of the male quetzals may take up to three years after reaching maturity to grow to the maximum length.[6] These largely solitary birds feed on fruits, berries, insects and small vertebrates (such as frogs).[3][4] Even with their famous bright plumage, they can be hard to see in their natural wooded habitats.


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None of the many quetzal species are under immediate threat in the wild, although the eared and resplendent quetzal are at the Near Threatened status.[7] Pharomachrus mocinno is dependent on standing dead and mature trees for breeding holes, which are only formed in primary cloud forest; the species' breeding behavior is linked to the long term existence of these forests such as the few remaining in highland Guatemala.[8] The remaining are not considered threatened by the IUCN and all are locally common.[3][4] Among the most concentrated populations are the Baja Verapaz part of the Sierra de las Minas and the Chicabnab Reserve of Alta Verapaz.[9] However, it should be kept in mind while despite the fact that quetzals typically inhabit cloud forests, the fact that they are being divided into much smaller patches is what is known as a principal threat to their survival.[10] Another major threat to these animals is poaching. Since their feathers are still seen as an artifact poachers use their feather as trade to foreign tourists and museum collectors, but also are used for medicines and rituals. Deforestation is eliminating their natural habitat causing them to relocate to other areas.[6] Resplendent Quetzals are known to relocate in lower elevated areas during the summertime when precipitation is known to increase, their patterns in movement are most likely correlated to a surplus of ripe Lauraceae fruits.[11]

The name quetzal is from Nahuatl quetzalli [ketsali], "large brilliant tail feather" (American Audubon Dictionary) or "tail coverts of the quetzal" (Merriam-Webster's Collegiate Dictionary), from the Nahuatl root quetz = "stand up" used to refer to an upstanding plume of feathers. The word entered English through Spanish. The quetzal plays a central role in Mesoamerican mythology and is associated with the Aztec deity Quetzalcoatl.

The word quetzal was originally used for just the resplendent quetzal, the long-tailed quetzal of Guatemala, (more specifically the area of Northern Guatemala known as the Petn) which is the national bird and the name of the currency of Guatemala. It still often refers to that bird specifically but now also names all the species of the genera Pharomachrus and Euptilotis.

Pharomachrus is from Ancient Greek  pharos, "mantle", and  makros, "long", referring to the wing and tail coverts of the resplendent quetzal (the second h is unexplained).

The resplendent quetzal (Pharomachrus mocinno) is a small bird found in southern Mexico and Central America that lives in tropical forests, particularly montane cloud forests. They are part of the family Trogonidae and have two recognized subspecies, P. m. mocinno and P. m. costaricensis. Like other quetzals, the resplendent is mostly omnivorous; its diet mainly consists of fruits of plants in the laurel family, Lauraceae, but it occasionally also preys on insects, lizards, frogs and snails.

The species is well known for its colorful and complex plumage that differs substantially between sexes. Males have iridescent green plumes, a red lower breast and belly, black innerwings and a white undertail, whilst females are duller and have a shorter tail. Grey lower breasts, bellies, and bills, along with bronze-green heads are characteristic of females. These birds hollow holes in decaying trees or use ones already made by woodpeckers as a nest site. They are known to take turns while incubating, males throughout the day and females at night. The female usually lays one to three eggs, which hatch in 17 to 19 days. The quetzal is an altitudinal migrant, migrating from the slopes to the canopy of the forest. This occurs during the breeding season, which varies depending on the location, but usually commences in March and extends as far as August.

The resplendent quetzal is considered near threatened on the IUCN Red List, with habitat destruction being the main threat. It has an important role in Mesoamerican mythology, and is closely associated with Quetzalcoatl, a deity. It is the national animal of Guatemala, being pictured on the flag and coat of arms; it also gives its name to the country's currency, the Guatemalan quetzal.

The resplendent quetzal was first described by Mexican naturalist Pablo de La Llave in 1832.[4] It is one of five species of the genus Pharomachrus, commonly known as quetzals.[5] Quetzal is usually specifically used to refer to the resplendent, but it typically applies to all members of the genera Pharomachrus and Euptilotis.[6][7][8] Some scholars label the crested quetzal as a very close relative of the resplendent, and either suggest the crested quetzal to be a subspecies of the resplendent or the two form a superspecies.[9] The quetzal clade is thought to have spread out from where it emerged in the Andes, the resplendent quetzal being the youngest species.[9] The name of the genus, Pharomachrus, refers to the physical characteristics of the bird, with pharos meaning 'mantle' and makros meaning 'long' in Ancient Greek.[10] The word 'quetzal' came from Nahuatl (Aztec), where quetzalli (from the root quetza, meaning 'stand') means 'tall upstanding plume' and then 'quetzal tail feather'; from that, Nahuatl quetzaltottl means 'quetzal-feather bird' and thus 'quetzal'.[11]

Resplendent quetzals have a green body (showing iridescence from green-gold to blue-violet) and a red lower breast and belly. Depending on the light, quetzal feathers can shine in a variant of colors: from green, cobalt, lime, and yellow to ultramarine.[14] Their green upper tail coverts hide their tails and are particularly splendid in breeding males, being longer than the rest of the body. Though the quetzal's plumage appears green, they are actually brown due to the pigment melanin.[10] The primary wing coverts are also unusually long and have a fringed appearance. The male has a helmet-like crest. The bill, which is partly covered by green filamentous feathers, is yellow in mature males and grey in females. Their iridescent feathers, which cause them to appear shiny and green like the canopy leaves, are a camouflage adaptation to hide within the canopy during rainy weather.[14] The quetzal's skin is very thin and easily torn,[15] so it has evolved thick plumage to protect its skin. It has large eyes, adapted to see in the dim light of the forest.[16] Their song is an array of full-toned, mellow, slurred notes in plain patterns and is often remarkably melodious: keow, kowee, keow, k'loo, keeloo.[17]

Quetzal's abundance in its mating areas is correlated with the total number of fruiting species, although the correlation between quetzal abundance and the number of fruiting Lauraceae species is only marginal.[20]

Resplendent quetzals generally display shy and quiet behaviour to elude predators.[21] In contrast, they are rather vocal during the mating season and their behavior is designated to exhibit and attract mates. Their known predators include the ornate hawk-eagle, golden eagle, and other hawks and owls as adults, along with emerald toucanets, brown jays, long-tailed weasels, squirrels, and kinkajous as nestlings or eggs.[21][22] The resplendent quetzal plays an important ecological role in the cloud forests, helping disseminate the seeds of at least 32 tree species.[10]

Resplendent quetzals are considered specialized fruit-eaters, feeding on 41 to 43 species, although they also feed on insects (primarily wasps, ants, and larvae), frogs, lizards, and snails.[1][23] Particularly important are the Symplococarpon purpusii and wild avocados, as well as other fruits of the laurel family, which the birds swallow whole before regurgitating the pits, which helps to disperse these trees.[24] Quetzals feed more frequently in the midday hours.[24] The adults eat a more fruit-based diet than the chicks, who eat insects primarily and some fruits.[24] Over fifty percent of the fruit they eat are laurels.[25] Quetzals use the methods of "hovering" and "stalling" in order to selectively pick the fruit from near the tips of the branches.[24]

Both parents take turns at incubating, with their long tail coverts folded forwards over out of the hole, giving them the appearance of a bunch of fern growing out of the hole. The incubation period lasts about 17 to 19 days,[1] during which the male generally incubates the eggs during the day while the female incubates them at night.[28] When the eggs hatch, both parents take care of the young, feeding them entire fruits, such as berries and avocados, as early as the second day. However, chicks are primarily fed insects, lizards, snails and small frogs.[22] It was observed that males generally give more food, namely insects, than females.[17] Nestlings are often neglected and even abandoned by females near the end of the rearing period, leaving it up to the male to continue caring for the offspring until they are ready to survive on their own.[17] During the incubation period, parents land and rotate their heads side to side before entering the nest, a process known as "bowing in".[14] This process ends when the chicks hatch.[14] Young quetzals begin flying after a month, but the distinctive long tail feathers can take three years to develop in males.[29] 2351a5e196

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