Lesson’s Motmot

Quick Facts

  • Scientific Name: Momotus lessonii
  • Spanish Name: Momoto diademado
  • Family: Momotidae
  • Known Nicknames: Lesson's Motmot, Blue-crowned Motmot (former classification)
  • Average Length: 38–48 cm / 15–19 in
  • Average Weight: 105–150 g / 3.7–5.3 oz
  • Wingspan: 45–55 cm / 18–22 in
  • Key Feature: Long, racket-tipped tail and a turquoise-blue diadem encircling a black crown
  • Primary Diet: Omnivore (Insects, small vertebrates, and various fruits)
  • Range: Southern Mexico through Central America to Western Panama
  • Habitat: Humid tropical forests, forest edges, and shaded coffee plantations
  • Social Structure: Solitary or in pairs
  • Nesting/Breeding: Long tunnels excavated in earthen banks or cliffs
  • Conservation Status: Least Concern (LC)
  • Population Trend: Decreasing

Lesson’s Motmot (*Momotus lessonii*) is a striking neotropical bird renowned for its vibrant green plumage and a distinctive turquoise-blue "diadem" encircling its black crown. Native to the lush forests of Central America, this species is most famous for its extraordinary tail, which features two long, central feathers ending in unique, racket-shaped tips created by the natural weakening and subsequent loss of feather barbs. Beyond its visual splendor, the motmot exhibits a fascinating "pendulum" behavior, swinging its tail rhythmically from side to side when a predator is near to signal that it has been detected. With its piercing red eyes and a heavy, serrated bill perfectly adapted for seizing insects and small vertebrates, Lesson’s Motmot stands as a captivating and intelligent icon of the tropical canopy.

Fun Facts

Lesson’s Motmots are famous for their unique "pendulum" tail movement, where they swing their long tail feathers back and forth like a clock when they spot a predator, signaling that the element of surprise is lost. These birds are also self-made stylists; they deliberately pluck the barbs from the middle of their long central tail feathers, leaving bare shafts that end in distinct, racket-shaped tips. Beyond their looks, they are expert excavators that dig long, horizontal tunnels into earthen banks to house their nests, sometimes reaching depths of several feet. Interestingly, while they primarily hunt insects and small vertebrates, they have a particular fondness for smashing large prey against branches to soften it before swallowing.

Habitats & Distribution

This species is primarily distributed throughout Central America, ranging from southern Mexico through Belize, Guatemala, El Salvador, Honduras, Nicaragua, and Costa Rica, extending into western Panama. It is a common resident across these regions, inhabiting both the Caribbean and Pacific slopes. Its preferred habitats include humid and semi-humid evergreen forests, forest edges, and older secondary growth. It is also frequently found in human-altered landscapes such as shaded coffee and cacao plantations, as well as suburban gardens with dense vegetation. These birds are typically found from sea level up to montane elevations of approximately 2,150 meters, often favoring areas near watercourses or ravines where they can find suitable embankments for nesting.

Behaviours & Reproduction

These birds are primarily solitary or found in monogamous pairs, maintaining territories through resonant vocalizations and a distinctive tail-wagging display. This pendulum-like motion of their racket-tipped tails serves as a pursuit-deterrent signal, informing potential predators that they have been detected and the element of surprise is lost. They are sit-and-wait predators, perching quietly for long periods before swooping down to capture insects, small vertebrates, or fruit. Breeding typically begins with the onset of the rainy season, during which both members of a pair cooperate to excavate a nesting tunnel. These burrows are dug into vertical earthen banks or the sides of pits and can reach lengths of several meters, ending in a widened nesting chamber. The female lays three to four white eggs, which both parents incubate. Following hatching, both adults share the responsibility of provisioning the altricial chicks until they are ready to fledge and leave the safety of the burrow.

Diet

Lesson’s Motmot is an opportunistic omnivore that maintains a varied diet consisting of both animal matter and seasonal fruits. It primarily consumes a wide array of invertebrates such as beetles, cicadas, and spiders, but it is also a capable predator of small vertebrates, including lizards, frogs, and occasionally even small snakes or birds. A substantial portion of its nutritional intake is derived from plant sources, particularly fleshy fruits and berries like figs. Interestingly, this species employs a "perch-and-wait" hunting strategy, remaining motionless for long periods before making a sudden sally to snatch prey from the air or the ground. To handle larger or more dangerous catches, the bird often beats its prey vigorously against a branch to kill it or remove indigestible parts before swallowing. Furthermore, Lesson’s Motmot is known to follow army ant swarms, strategically positioning itself to capture insects and other small creatures fleeing from the advancing ants.

Colors

Lesson’s Motmot features a vibrant green body and a signature turquoise-blue crown with a black center. A bold black mask covers the eyes, edged by bright blue, while a small, distinct black spot marks the center of its chest. Its most striking feature is the long, racquet-tipped tail in shades of blue and green, complemented by a rufous-washed belly that provides effective camouflage within dappled forest light.