Costa Rica Species
Monasa morphoeus
AnimaliaHighest rank in taxonomy. Groups all life into domains: Animalia, Plantae, Fungi, etc.IUCN LCInternational Union for Conservation of Nature — the world authority on species extinction risk, using standardized criteria. — Least Concern — widespread and abundant; not at immediate risk of extinction.In ProgressCurrent stage of this record in the editorial review workflow. Recent Sighting

Monasa morphoeus

White-fronted Nunbird

(Hahn & Küster, 1823)

Detailed Texts Multi-lang
A medium-sized, dark grey puffbird with a prominent white forehead and a bright, coral-red bill. It has a long, slightly rounded tail and a stout appearance.

Added by

Anonymous Curator

Reviewed by

Under Review

Last modified by

Julia Trouin

TaxonomyBiological classification ranks placing this species within the tree of life, from Kingdom down to Genus.

PhylumRank below Kingdom. Groups organisms sharing a fundamental body plan (e.g., Chordata = vertebrates and some invertebrates).Chordata
ClassRank below Phylum. Subdivides by structural traits (e.g., Mammalia, Aves, Reptilia, Insecta).Aves
OrderRank below Class. Groups related families sharing common ancestry (e.g., Carnivora, Primates).Galbuliformes
FamilyRank below Order. Groups closely related genera (e.g., Felidae = cats, Canidae = dogs).Bucconidae
GenusRank just above Species. The first word in the two-part binomial scientific name.Monasa
Taxonomic AuthorityThe scientist who first formally described and published this species, followed by the year of publication.(Hahn & Küster, 1823)
Record Completeness
95%
Coming soon

Ecology & StatusHow this species lives: habitat preferences, diet, behavior, population status, and role in its ecosystem.

OriginWhether the species is native (evolved here), endemic (found only here), or introduced by human activity.

Native

Population TrendDirection of change in population size over time: increasing, stable, decreasing, or unknown.

Stable

Breeding SeasonTime of year when this species typically reproduces or flowers.

Spring

Trophic RolePosition in the food chain: producer, herbivore, carnivore, omnivore, decomposer, or parasite.

Carnivore

Recent SightingsWhether this species has been observed in the wild in Costa Rica within recent years.

Yes

Habitat SummaryOverview of the specific ecosystems and environments where this species is found in Costa Rica. Multi-lang

Inhabits humid lowland tropical forests and gallery forests, often seen near forest edges.

BehaviourDaily activity patterns, movement, territory use, foraging style, and seasonal behavioral changes. Multi-lang

Active, vocal, and often found in small, noisy social groups. They frequently follow army ant swarms.

Social ActivitySocial structure: whether the species is solitary, paired, or colonial; hierarchy and communication. Multi-lang

Highly social, lives in family groups that forage and defend territory together.

Feeding GuildWhat the species eats, how it forages or hunts, and its role as a consumer in the food web. Multi-lang

Insectivore/Carnivore.

Trophic Chain DetailsSpecific interactions in local food webs: prey species, predators, competitors, and scavengers. Multi-lang

Feeds on a wide range of arthropods, small reptiles, and occasionally fruit.

Reproductive BehaviourMating strategies, courtship displays, nesting or spawning behavior, and parental care. Multi-lang

Nests in burrows excavated into flat ground or abandoned termite nests.

Physical Measures

Length (cm)

21.0 - 24.0 cm

Weight (Grams)

70 g - 95 g

Offspring per cycleTypical number of young (live births, eggs, or seeds) produced by one adult in a single reproductive event or breeding season.2 - 3
Sexual DimorphismObservable physical differences between males and females of the same species (e.g., size, coloration, features).No

Lifespan

Sexual MaturityAge at which the individual becomes capable of reproducing for the first time.

12 - 18 Months

Gestation / IncubationDuration from fertilization to birth (mammals) or to hatching (egg-laying species).

18 - 22

Lifespan EstimatedExpected duration of life from birth to natural death under wild conditions.
Males5 - 8 Years
Females5 - 8 Years

Evolutionary AdaptationsInherited traits and behaviors that improve the species' survival and reproduction in its specific environment. Multi-lang

Strong, specialized bill for handling diverse prey and high-contrast facial plumage for intraspecific signaling.

Main ThreatsDocumented pressures reducing the population: habitat loss, hunting, disease, climate change, and invasive species. Multi-lang

Threatened by habitat destruction and deforestation of primary tropical forests.

Interesting FactsSurprising or notable facts that highlight what makes this species unique or ecologically important. Multi-lang

They are highly social birds that often participate in communal huddling and cooperative breeding behaviors.