Immature form that undergoes metamorphosis before adulthood.
Worker
birth time
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
Litters lifetime count
days
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
Size male size
About health
When your next birthday would fall if you lived as {name}
large zophobas
results
summer warm, winter not very cold
temperature for housing
Sex
Upcoming jubilees
Gremllins
mo
rains are very rare, almost a desert
Filters
age diag byOther
Upcoming birthdays
fruit fly
Truly long lives: 40-100 years. Bowhead whales, albatrosses, giant tortoises recall their birthday at most once a year
Lifespan
Desert and dry shrubs
rains almost always, very humid
Age (juvenile)
nutrition forbidden name wild caught insects
Age (from birth to death)
Age (embryo)
Wanderers
Age (larva)
large mealworm
Jubilee = every 10th birthday
dry, cold winter, lots of grass, few trees
Warm summer and frequent rains
Minimum space
Earliest developmental stage inside an egg or womb.
Business sausages
Lifespan average
young after fast growth
cricket
Juvenile stage following larval metamorphosis but not yet adult.
summer warm, rains frequent
What do they look like?
Maturity
emergence (insects)
end of lifespan
How do they live?
fertilization / egg laying
How do they behave?
birth / hatching
metamorphosis / end of larval stage
end of acceleration
Share
Carbohydrates
Find a pet...
Mature, fully developed individual capable of reproduction.
small cockroach
hot, uneven rains, lots of grass and trees
Pets
{name} jubilee
cm
Old-timers
Find an animal or breed...
turns
Rascals
Fat
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?
Legendary longevity: over 100 years. Galapagos tortoises, Greenland sharks, ocean quahogs celebrate with family once every 4 years
Elders
Bro
Size female size
Taxons
if born as {name}
age
birth date
Protein
Close
live mice
was
Career from 7 to 15 months. Dwarf hamsters, voles, field crickets celebrate their birthday twice a month
mealworms in large quantities
The basics
My weight?
live mice to females
Non-stop carnival: they only live a few days. Mayflies, rotifers, midges celebrate their birthday more than twice a day
Potential Habitat
lots of grass, few trees, rains are rare
Very hot summer
Substrate Moisture
citrus fruits
zophobas
Water
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
Gestation
age diag byColoration
summer very hot, above +25…+30 °C
{name} birthday
Nearctic realm
age diag bySize
No results found
North America and Greenland, from tundra to forests
On the map
Female ♀
Cold and almost dry
Body temperature
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.
birth year
lots of grass, few trees, rains occur
terrestrial habitat, land surface outside water
sq mm
yr
How similar?
tarantulas of other species
Male ♂
until the celebration
nutrition forbidden name milk
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?
Very dry
Neither
from birth to adulthood
What do they eat?
dry and cold almost all year round
Where do they live?
Immature individual that has not yet reached reproductive maturity.
from birth to death
early young
Temperate mixed forest
Duration
This is me
from 11 to 16 grams, 1.5 – 12 centimeters
Steppe
Always very wet
Gamers
How are they built?
Temperate steppe
mm
Theoretical lifespan
locust
ml
Stars
Link copied
My age?
wk
My size?
temperament
terrestrial
Asexual
swap
Rabbits, falcons, red-eared turtles hang out for 6-9 years and party on their birthday four times a year
nacl
Where do they take shelter?
Calcium
celebrated their {n} birthday
When you would have been born if you lived as {name}
Cold steppe
Daddies
Lifespan maximum
Hermaphrodite ⚥
Strawberry
embryo
summer warm, many oaks, birches, maples
Length
kg
very hot and dry, rare rains, cacti live
Observations
◉{N} more on tap