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
Eptesicus brasiliensis
Brazilian Brown Bat
Desmarest, 1819
Detailed Texts Multi-lang
Medium-sized bat with dense fur ranging from light to dark brown, short rounded ears, and a broad snout.
Added by
Anonymous Curator
Reviewed by
Under Review
Other Names (Global)Regional and multilingual names used for this species across different countries and languages.
Murciélago pardoEptesico brasileño
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).Mammalia
OrderRank below Class. Groups related families sharing common ancestry (e.g., Carnivora, Primates).Chiroptera
FamilyRank below Order. Groups closely related genera (e.g., Felidae = cats, Canidae = dogs).Vespertilionidae
GenusRank just above Species. The first word in the two-part binomial scientific name.Eptesicus
Taxonomic AuthorityThe scientist who first formally described and published this species, followed by the year of publication.Desmarest, 1819
Record Completeness
92%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.
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Trophic RolePosition in the food chain: producer, herbivore, carnivore, omnivore, decomposer, or parasite.
Insectivore
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 environments, from tropical rainforests and gallery forests to agricultural zones and suburban areas.BehaviourDaily activity patterns, movement, territory use, foraging style, and seasonal behavioral changes. Multi-lang
Opportunistic insectivore with a varied diet.Social ActivitySocial structure: whether the species is solitary, paired, or colonial; hierarchy and communication. Multi-lang
Social, forms small colonies in crevices and structures.Feeding GuildWhat the species eats, how it forages or hunts, and its role as a consumer in the food web. Multi-lang
Active throughout the night, with peak activity at twilight.Trophic Chain DetailsSpecific interactions in local food webs: prey species, predators, competitors, and scavengers. Multi-lang
Controller of nocturnal flying insects.Reproductive BehaviourMating strategies, courtship displays, nesting or spawning behavior, and parental care. Multi-lang
Annual reproduction, generally one pup per female.Physical Measures
Length (cm)
6.0 - 8.0 cm
Weight (Grams)
10 g - 18 g
Offspring per cycleTypical number of young (live births, eggs, or seeds) produced by one adult in a single reproductive event or breeding season.1 - 1
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.
1 - 2 Years
Gestation / IncubationDuration from fertilization to birth (mammals) or to hatching (egg-laying species).
80 - 90
Lifespan EstimatedExpected duration of life from birth to natural death under wild conditions.
Males5 - 10 Years
Females5 - 10 Years
Evolutionary AdaptationsInherited traits and behaviors that improve the species' survival and reproduction in its specific environment. Multi-lang
Excellent flight capacity for maneuvering in open spaces and forest edges during hunting.
Main ThreatsDocumented pressures reducing the population: habitat loss, hunting, disease, climate change, and invasive species. Multi-lang
Sensitive to the destruction of natural roosts such as old trees and environmental pollution in urban areas.
Interesting FactsSurprising or notable facts that highlight what makes this species unique or ecologically important. Multi-lang
It is a high-altitude hunter that prefers to catch insects in flight, especially beetles and moths, using high-frequency echolocation.