Birds
Resplendent Quetzal
Pharomachrus mocinno · also called resplendent quetzal, quetzal
The resplendent quetzal is one of the most spectacular birds in the Americas — an emerald-and-crimson trogon of the Central American cloud forests, the breeding male trailing tail streamers longer than his whole body. It was the most sacred bird of the Maya and Aztec worlds, and it remains a living national symbol of Guatemala.
Overview
Resplendent quetzals live in humid highland cloud forest from southern Mexico to western Panama, mostly between 1,200 and 3,000 metres. They are quiet and unobtrusive despite the colour, perching upright and still for long periods, and they move seasonally up and down the mountains to follow the ripening of their key fruit trees.
The colour and the tail
The quetzal’s green is structural, not pigment — microscopic layers in the feathers scatter light, so the bird shifts from green to gold to blue-violet as the angle changes. Only the belly is truly pigmented, a deep crimson. In the breeding season the male grows two tail-covert streamers — not true tail feathers — that reach 65 centimetres to over a metre, flowing behind him in flight as a display, then moult away afterward.
Nesting
Quetzals nest in rotten-tree cavities, often enlarging old woodpecker holes with their bills. The nest chamber is shallow, so an incubating male leaves his long tail bent up over his back and sticking out of the entrance, where it gradually becomes bedraggled. Both parents incubate and feed the chicks, switching from a fruit diet to insects, lizards, and frogs for the growing young.
A sacred bird
To the Maya and Aztecs, the quetzal’s plumes were worth more than gold, reserved for rulers and priests and tied to the feathered-serpent god Quetzalcoatl / Kukulkan. Live birds were plucked and released; killing one was reportedly a capital crime. Today the quetzal is Guatemala’s national bird, the name of its currency, and a widespread emblem of liberty — from the legend that a caged quetzal dies of a broken heart.
Status
The resplendent quetzal is Near Threatened and declining. Its cloud-forest habitat is limited, being cleared and fragmented, and shifting upslope with climate change, and the birds need large connected forest to make their seasonal movements. Hunting and past cage-bird trapping have added pressure.
Resplendent Quetzal: common questions
How long is the resplendent quetzal's tail?
The visible "tail" of a breeding male is not actually tail feathers but hugely elongated tail coverts — the feathers that normally just cover the base of the tail. In this species they grow into two flowing streamers that can reach 65 centimetres to over a metre, roughly two to three times the length of the bird's body. They stream and ripple behind the male in flight, which is thought to be a display of fitness to females, and they are grown fresh each breeding season and moulted afterwards. Females and non-breeding males have short, ordinary tails.
Why can't the quetzal survive in a zoo or in captivity?
It has a reputation as a "bird that cannot live in captivity," which is an overstatement but rooted in truth. Quetzals are shy, easily stressed, and highly specialised feeders — wild birds depend heavily on the fruit of particular wild avocado relatives that ripen at different times and elevations, so the birds move seasonally through the forest to track them. Reproducing that diet and that freedom of movement is very hard, and historically almost all captive quetzals died quickly, which is one reason the bird became a symbol of liberty in Central America. A few modern facilities have kept and even bred them with great effort.
What is the quetzal's cultural significance?
For the Maya and the Aztecs the resplendent quetzal was among the most sacred animals. Its iridescent green plumes were reserved for royalty and priests, traded across Mesoamerica, and valued above gold, and the bird was associated with the feathered-serpent deity known as Quetzalcoatl to the Aztecs and Kukulkan to the Maya. Plumes were plucked from live birds, which were then released, and killing a quetzal was reportedly punishable by death. Today it is the national bird of Guatemala, gives its name to the Guatemalan currency, and appears on the flag; a common legend holds that a captive quetzal will die of a broken heart, making it an emblem of freedom.
Why is the quetzal threatened?
The resplendent quetzal lives only in humid mountain cloud forest, a habitat that is naturally limited and is being cleared for farms, cattle pasture, and logging, and fragmented by roads. Because the birds must move seasonally across a range of elevations to follow their fruit supply, they need large blocks of connected forest — isolated patches are not enough. Climate change is pushing the cloud-forest zone upslope, shrinking it. The birds are also still hunted in places and were historically trapped for the cage-bird trade. It is listed as Near Threatened.