Turquoise-browed Motmot

Quick Facts

• Scientific Name: Eumomota superciliosa
• Spanish Name: Momoto cejiceleste
• Family: Momotidae
• Known Nicknames: Guardabarranco, Torogoz, Racket-tailed Motmot
• Average Length: 34 cm / 13.4 in
• Average Weight: 60–65 g / 2.1–2.3 oz
• Wingspan: 35–40 cm / 13.8–15.7 in
• Key Feature: Long tail feathers with bare shafts ending in racket-like tips and vibrant turquoise brow streaks
• Primary Diet: Omnivore (Primarily Insectivore/Invertivore)
• Range: Central America, from south-eastern Mexico to north-western Costa Rica
• Habitat: Tropical dry forests, scrubland, and gallery forests
• Social Structure: Socially monogamous, often seen in pairs
• Nesting/Breeding: Burrows excavated in vertical earth banks or cliffs
• Statut de conservation : Préoccupation mineure (LC)
• Population Trend: Stable

The Turquoise-browed Motmot (*Eumomota superciliosa*) is a strikingly beautiful bird native to Central America, instantly recognizable by its vibrant palette of olive-green plumage, a rufous back and belly, and the brilliant turquoise stripes above its eyes that give the species its name. Its most extraordinary feature is its long, elegant tail, which terminates in two distinct "rackets"—feathered tips at the end of long, bare shafts created when the bird preens away the fragile middle barbs. Beyond its aesthetics, this motmot is famous for its unique "pendulum" behavior, where it swings its tail from side to side like a clock to signal to potential predators that they have been spotted, a clever survival tactic that discourages pursuit. As the national bird of both El Salvador and Nicaragua, this charismatic species is as culturally significant as it is biologically fascinating, often found nesting in deep tunnels bored into earth banks or limestone crevices.

Faits amusants

The Turquoise-browed Motmot is best known for its distinctive "racket" tail, which it creates by preening away the central barbs of its two longest feathers to leave bare shafts with feathered tips. This bird performs a unique "pendulum display," wagging its tail back and forth like a clock to signal to predators that they have been spotted, a rare behavior known as a pursuit-deterrent signal. Beyond its striking looks, it is an unconventional nester that avoids trees, instead using its beak to excavate deep tunnels in earth banks, limestone cliffs, or volcanic ash to protect its young.

Habitats et répartition

This species is primarily distributed throughout Central America, with a geographical range extending from south-eastern Mexico and the Yucatán Peninsula southward to central Costa Rica. It is most frequently encountered in lowland regions, particularly along the Pacific slope, where it maintains a widespread presence across its native territories. It thrives in semi-open environments rather than dense rainforests, favoring habitats such as tropical deciduous forests, forest edges, scrublands, and agricultural landscapes like coffee plantations. A critical requirement for its residence is the availability of vertical earthen banks, limestone cliffs, or man-made embankments, which the bird utilizes to excavate its characteristic nesting burrows.

Comportements & Reproduction

This species is characterized by its distinctive "wag-display," where it swings its racket-tipped tail like a pendulum. Contrary to typical avian courtship, this behavior serves primarily as a pursuit-deterrent signal to predators, although it also plays a role in social communication between pair members. They are socially monogamous and maintain territories, often perching conspicuously on wires or branches while scanning for prey. Reproduction involves excavating long nesting burrows, which can reach up to 2.5 meters in length, into earthen banks, limestone cliffs, or the walls of sinkholes. Both males and females share the intensive labor of digging the tunnel, incubating the small clutch of white eggs, and provisioning the brood. This biparental care is a hallmark of their reproductive strategy, ensuring the survival of the altricial chicks within the safety of their subterranean nursery.

Alimentation

The Turquoise-browed Motmot maintains a diverse and opportunistic diet consisting primarily of large insects such as beetles, cicadas, and dragonflies, though it also consumes spiders, small lizards, and frogs. As a sit-and-wait predator, it perches quietly on branches to scan its surroundings before launching a sudden aerial or ground-based strike to capture its prey. An intriguing aspect of its feeding ritual involves returning to a branch to vigorously bash its catch against the wood, a behavior used to kill the prey or break down hard exoskeletons and wings before consumption. While largely insectivorous, this bird is known to supplement its meals with various small fruits and seeds, showcasing an omnivorous flexibility that helps it thrive in its tropical environments.

Couleurs

The Turquoise-browed Motmot features a green body with a rufous back and belly, accented by a brilliant turquoise stripe above the eyes and a black facial mask. It is most recognized for its long tail feathers with bare shafts ending in blue-and-black "rackets" and a black throat patch edged in blue. While its green plumage provides camouflage within forest canopies, its vibrant turquoise markings serve as bold visual signals for territory and mating.

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