The brown mastiff bat is a nocturnal mammal of medium size with brown fur. It lives in South and Central America, flies fast and hunts insects.
The brown mastiff bat differs from related species by its broad muzzle and very fast flight. It is beneficial for nature because it destroys many harmful insects.
homogamy, reproduction always with fertilization, no alternation of generations
Immature form that undergoes metamorphosis before adulthood.
Worker
Tail size
birth time
breeding
Hot and almost no precipitation
Dogs, dolphins, lynx hang out for 9-25 years and party on their birthday three times a year
m
Map
will celebrate their {n} birthday
g
t
When your next jubilee falls in {name} life years
Human
flight and mouth capture
days
South and Central America, hot and humid, huge forests
Warm summer
How old you would be if you lived as {name}
Theoretical maximum lifespan estimated from the Dynamic Energy Budget (DEB) mathematical model. This value reflects a biological potential derived from metabolic parameters, not from direct observation — real recorded lifespans are often significantly shorter.
adult
Maturity
South and Central America, hot and humid, huge forests
24 to 38 grams, 10 – 25 centimeters
About health
When your next birthday would fall if you lived as {name}
tropical forest
Repro interval
results
aerial
summer warm, winter not very cold
Colors
Sex
Upcoming jubilees
Gremllins
mo
hot, rains in summer, little precipitation in winter
rains are very rare, almost a desert
little precipitation in winter, more in summer
Trophic type
Filters
summer very hot, dry, lots of grass
always hot and humid, huge trees and vines
Upcoming birthdays
eggs, roe or offspring develop in a nest built on the ground or close to it
nest inside a tree trunk or in a cave/crevice
Truly long lives: 40-100 years. Bowhead whales, albatrosses, giant tortoises recall their birthday at most once a year
Lifespan
nocturnal butterflies and moths
nest on the ground
rains almost always, very humid
young are born live on land, not hatched from eggs or roe
flying insects
in hollows and caves
Age (juvenile)
Age (from birth to death)
Hot, little precipitation in winter
Age (embryo)
Wanderers
Age (larva)
Feeding occurs in open air space above ground or water.
Wings size
Jubilee = every 10th birthday
Warm summer and frequent rains
Ears size
Earliest developmental stage inside an egg or womb.
Business sausages
Lifespan average
nest located directly on the ground surface on land, only the mother provides parental care for the offspring
in a terrestrial nest
young after fast growth
Juvenile stage following larval metamorphosis but not yet adult.
live birth
summer warm, rains frequent
What do they look like?
Maturity
emergence (insects)
end of lifespan
Wings color
hot, there is a dry season, trees shed their leaves
How do they live?
fertilization / egg laying
How do they behave?
birth / hatching
metamorphosis / end of larval stage
end of acceleration
Share
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Mature, fully developed individual capable of reproduction.
hot, uneven rains, lots of grass and trees
Actively hunting and capturing live prey.
flight
Pets
Primary oral structure used to seize, manipulate, or ingest food.
terrestrial shrubland
Tropical dry broadleaf forest
Hot steppe
{name} jubilee
terrestrial shrub habitats — maquis, chaparral, bush
cm
Old-timers
Find an animal or breed...
Wingspan
mouth
turns
Rascals
terrestrial forest
Tail color
Ears count
Litter size
Tropical savanna
Map data sources: Ecosystem classification — IUCN Global Ecosystem Typology (Keith et al., 2022), indicative distribution maps Keith et al. (2020), https://doi.org/10.5281/zenodo.3546513; Large Marine Ecosystems — NOAA LME Program; Bathymetry — GEBCO Bathymetric Compilation Group (2026), GEBCO_2026 Grid, https://doi.org/10.5285/4f68d5c7-45eb-f999-e063-7086abc036fa; Climate data — Generated using Copernicus Climate Change Service information; Species occurrence data — GBIF.org, Derived dataset "all animals", https://zveriki.com/dataset/dataset.tsv; Terrestrial ecoregions — RESOLVE Ecoregions 2017 (Dinerstein et al., 2017), CC BY 4.0
How to care for them?
Living from 25 to 40 years. Orangutans, bald eagles, African elephants celebrate their birthday twice a year
°C
Not specified
Where are they found?
Species lacks any fixed or lasting shelter structure.
Low precipitation in winter
Legendary longevity: over 100 years. Galapagos tortoises, Greenland sharks, ocean quahogs celebrate with family once every 4 years
Offspring
Tropical moist forest
Elders
Bro
normal sexual
Taxons
if born as {name}
moths
beetles
age
birth date
no permanent shelter
rest
Fur color
Close
was
Career from 7 to 15 months. Dwarf hamsters, voles, field crickets celebrate their birthday twice a month
The basics
Neotropical realm
My weight?
Non-stop carnival: they only live a few days. Mayflies, rotifers, midges celebrate their birthday more than twice a day
primary food sources
Neotropical realm
Potential Habitat
lots of grass, few trees, rains are rare
Very hot summer
d
In husbandry
On the go from 1.3 to 3.5 years. Forest mice, anoles, rainbow fish party on their birthday once a month
Mass
Mosquitoes, fruit flies, small crustaceans hustle for up to 7 months and throw a birthday party every week
land
summer very hot, above +25…+30 °C
{name} birthday
Always hot
No results found
On the map
lunge
all life stages
Female ♀
insectivore
nest located directly on the ground surface on land
Map data sources: Ecosystem classification — IUCN Global Ecosystem Typology (Keith et al., 2022), indicative distribution maps Keith et al. (2020), https://doi.org/10.5281/zenodo.3546513; Large Marine Ecosystems — NOAA LME Program; Bathymetry — GEBCO Bathymetric Compilation Group (2026), GEBCO_2026 Grid, https://doi.org/10.5285/4f68d5c7-45eb-f999-e063-7086abc036fa; Climate data — Generated using Copernicus Climate Change Service information; Species occurrence data — GBIF.org, Derived dataset "all animals", https://zveriki.com/dataset/dataset.tsv; Terrestrial ecoregions — RESOLVE Ecoregions 2017 (Dinerstein et al., 2017), CC BY 4.0
Potential habitat modelled from GBIF occurrence data. Map © Zveriki.com, licensed under CC BY 4.0.
moth flies
birth year
Shelter used specifically for reproduction or nesting.
Maturity
Skin color
terrestrial habitat, land surface outside water
flying insects
sq mm
yr
protection from sun
How similar?
Male ♂
until the celebration
baby / chick
age as {name}
How do they breed?
On the go from 3.5 to 6 years. Hedgehogs, crows, lizards treat themselves to birthday snacks 6 times a year
What if eaten?
insects caught in flight — flies, moths, beetles
Very dry
Neither
from birth to adulthood
live beetles — various species
Young offspring still dependent on parental care.
caring mother
What do they eat?
Where do they live?
Immature individual that has not yet reached reproductive maturity.
from birth to death
Ears color
early young
forests on land — tropical, temperate, boreal
savanna
Duration
This is me
Steppe
Always very wet
Gamers
How are they built?
mm
Theoretical lifespan
ml
Stars
Link copied
My age?
wk
My size?
terrestrial
Lives in open or semi-open areas with scattered trees and shrubs.
Asexual
swap
active predation
Rabbits, falcons, red-eared turtles hang out for 6-9 years and party on their birthday four times a year
Where do they take shelter?
inhabit and develop on land, outside water bodies
celebrated their {n} birthday
When you would have been born if you lived as {name}
very hot all year round, frequent rains, but sometimes dry
woodlands
Daddies
Lifespan maximum
open areas
beetles
very hot and almost no precipitation
Capturing or collecting food while airborne.
Hermaphrodite ⚥
Tomato
embryo
Length
kg
Rapid forward strike to seize prey.
Observations
◉{N} more on tap