Immature form that undergoes metamorphosis before adulthood.
Worker
birth time
Wooded areas with rocky outcrops and thin soils supporting drought-tolerant trees and shrubs.
woodland
Hot and almost no precipitation
Heavy rains in summer
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
wetland
g
t
When your next jubilee falls in {name} life years
Human
hot Africa south of the desert, many savannas and forests
very hot and very humid all year round, rain almost every day
days
How old you would be if you lived as {name}
summer from pleasant to very hot
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.
very heavy rains in summer, almost no precipitation in winter
adult
Maturity
Carry-on luggage
About health
When your next birthday would fall if you lived as {name}
tropical forest
results
summer warm and almost no rain
Oceanian realm
Southeast Asia and islands, always hot and humid
Sex
very hot and almost no rain
Upcoming jubilees
Gremllins
mo
rains are very rare, almost a desert
little precipitation in winter, more in summer
Filters
summer very hot, dry, lots of grass
Warm winter with almost no precipitation
Warm or hot summer
Palearctic realm
Upcoming birthdays
Truly long lives: 40-100 years. Bowhead whales, albatrosses, giant tortoises recall their birthday at most once a year
Lifespan
Oceanian realm
rains almost always, very humid
grassland
4.8 to 6 kilograms, 0.8 – 1.4 meters
Very hot and almost dry
Age (from birth to death)
most of Europe and Asia, various forests, steppes and tundra
Wanderers
world of Australasia
Jubilee = every 10th birthday
forest
Earliest developmental stage inside an egg or womb.
Business sausages
Lifespan average
Arid steppe
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
arid steppe hot
Find a pet...
Mature, fully developed individual capable of reproduction.
Pets
Indomalayan realm
humid forest
Indomalayan realm
Mangrove thickets
Open terrain dominated by grasses with few trees.
Hot steppe
{name} jubilee
cm
Old-timers
Find an animal or breed...
turns
islands and part of Australia, many unusual animals and plants
Rascals
hot Africa south of the desert, many savannas and forests
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?
desert
Living from 25 to 40 years. Orangutans, bald eagles, African elephants celebrate their birthday twice a year
°C
Not specified
Where are they found?
steppe
Low precipitation in winter
Legendary longevity: over 100 years. Galapagos tortoises, Greenland sharks, ocean quahogs celebrate with family once every 4 years
Elders
Bro
winter dry and warm
Taxons
if born as {name}
age
birth date
Palearctic realm
Close
was
Career from 7 to 15 months. Dwarf hamsters, voles, field crickets celebrate their birthday twice a month
The basics
dry, lots of grass, few trees
Dense tree cover forming a closed canopy habitat.
My weight?
Non-stop carnival: they only live a few days. Mayflies, rotifers, midges celebrate their birthday more than twice a day
arid steppe
Potential Habitat
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
islands and part of Australia, many unusual animals and plants
summer very hot, above +25…+30 °C
{name} birthday
Open landscape dominated by shrubs and low woody vegetation.
Always hot
No results found
Hot with heavy summer rains
On the map
Pleasant summer
Female ♀
tropical dry forest
world of Afrotropics
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.
dry forest
birth year
rocky woodland
sq mm
yr
comfortable summer, +20…+25 °C
How similar?
Male ♂
until the celebration
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
Mixed tree cover with moderate canopy and understory, supporting diverse woodland fauna.
What do they eat?
Where do they live?
Land saturated with water supporting aquatic plants.
early young
world of Afrotropics
savanna
Very hot and dry
many islands in the Pacific Ocean, warm seas and corals
Always hot and wet
This is me
Warm summer with almost no rain
most of Europe and Asia, various forests, steppes and tundra
Always very wet
Gamers
hot, heavy rains in summer, little precipitation in winter
How are they built?
mangrove forest
mm
Theoretical lifespan
arid
ml
Stars
Link copied
My age?
wk
My size?
very hot during the day, cold at night, almost no rain
Asexual
swap
Southeast Asia and islands, always hot and humid
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?
Denotes a grassland or steppe habitat preference.
Warm summer and lots of rain
rainforest
many islands in the Pacific Ocean, warm seas and corals
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
Daddies
Lifespan maximum
world of Australasia
very hot and almost no precipitation
Hermaphrodite ⚥
shrubland
tropical rainforest
embryo
warm swampy shores with trees on roots, crabs live there
Length
kg
lots of rain, warm and pleasant summer
Observations
◉{N} more on tap