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.ApprovedCurrent stage of this record in the editorial review workflow. Recent Sighting
Pseustes poecilonotus
Puffing Snake
Günther, 1858
Detailed Texts Multi-lang
A large, robust-bodied snake. Its coloration varies from light to dark brown with reticulated patterns. It is famous for its ability to inflate its neck and the anterior part of its body to appear larger when threatened.
Added by
Anonymous Curator
Reviewed by
Julia Trouin
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).Reptilia
OrderRank below Class. Groups related families sharing common ancestry (e.g., Carnivora, Primates).Squamata
FamilyRank below Order. Groups closely related genera (e.g., Felidae = cats, Canidae = dogs).Colubridae
GenusRank just above Species. The first word in the two-part binomial scientific name.Pseustes
Taxonomic AuthorityThe scientist who first formally described and published this species, followed by the year of publication.Günther, 1858
Record Completeness
61%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.
Year Round
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 a wide variety of ecosystems, including tropical jungles, secondary forests, plantations, and savannah zones near water bodies.BehaviourDaily activity patterns, movement, territory use, foraging style, and seasonal behavioral changes. Multi-lang
Mainly diurnal; active on the ground and in low branches of vegetation.Social ActivitySocial structure: whether the species is solitary, paired, or colonial; hierarchy and communication. Multi-lang
Generally solitary; defends its space if it feels cornered.Feeding GuildWhat the species eats, how it forages or hunts, and its role as a consumer in the food web. Multi-lang
Active forager; uses sight and smell to detect prey in its territory.Trophic Chain DetailsSpecific interactions in local food webs: prey species, predators, competitors, and scavengers. Multi-lang
Generalist carnivore; feeds on rodents, birds, eggs, and lizards.Reproductive BehaviourMating strategies, courtship displays, nesting or spawning behavior, and parental care. Multi-lang
Oviparous; deposits its eggs in tree cavities or under dense leaf litter.Physical Measures
Length (cm)
120.0 - 200.0 cm
Weight (Grams)
400 g - 1.50 kg
Offspring per cycleTypical number of young (live births, eggs, or seeds) produced by one adult in a single reproductive event or breeding season.6 - 15
Sexual DimorphismObservable physical differences between males and females of the same species (e.g., size, coloration, features).Yes
Lifespan
Sexual MaturityAge at which the individual becomes capable of reproducing for the first time.
2 - 3 Years
Gestation / IncubationDuration from fertilization to birth (mammals) or to hatching (egg-laying species).
50 - 70
Lifespan EstimatedExpected duration of life from birth to natural death under wild conditions.
Males--
Females--
Sexual DimorphismPhysical differences in size, coloration, or morphology between males and females of this species.
Males Multi-lang
Males are usually thinner and have longer tails.
Females Multi-lang
Females are significantly more robust, optimized for egg-laying.
Evolutionary AdaptationsInherited traits and behaviors that improve the species' survival and reproduction in its specific environment. Multi-lang
Defensive inflation: Ability to expand the neck region by distending the ribs to deter predators.
Main ThreatsDocumented pressures reducing the population: habitat loss, hunting, disease, climate change, and invasive species. Multi-lang
Habitat destruction and human persecution due to its intimidating appearance are its main risks.
Interesting FactsSurprising or notable facts that highlight what makes this species unique or ecologically important. Multi-lang
Despite its theatrical defensive behavior, it is a harmless species to humans.