Immature form that undergoes metamorphosis before adulthood.
Worker
Hot summer almost without rain
birth time
Hot and almost no precipitation
Heavy rains in summer
humid
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
summer mild, +15…+20 °C
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
very cold, short summer, almost no trees, lots of moss
days
South and Central America, hot and humid, huge forests
Warm summer
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
South and Central America, hot and humid, huge forests
About health
Warm or hot summer and rains
When your next birthday would fall if you lived as {name}
tropical forest
results
summer warm and almost no rain
Oceanian realm
summer warm, winter not very cold
Southeast Asia and islands, always hot and humid
Cool summer
Sex
very hot and almost no rain
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
Filters
summer very hot, dry, lots of grass
Warm or hot summer
Palearctic realm
Mediterranean forest
always hot and humid, huge trees and vines
Upcoming birthdays
Winter with snow
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
Very hot and almost dry
Age (juvenile)
Age (from birth to death)
mediterranean shrubland
Hot, little precipitation in winter
Age (embryo)
most of Europe and Asia, various forests, steppes and tundra
Wanderers
Age (larva)
warm temperate
world of Australasia
Jubilee = every 10th birthday
Tundra
Earliest developmental stage inside an egg or womb.
Business sausages
Lifespan average
young after fast growth
Juvenile stage following larval metamorphosis but not yet adult.
What do they look like?
Maturity
emergence (insects)
end of lifespan
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
arid steppe hot
Find a pet...
Mature, fully developed individual capable of reproduction.
hot, uneven rains, lots of grass and trees
Pets
Indomalayan realm
Nearctic realm
Indomalayan realm
Mangrove thickets
Tropical dry broadleaf forest
Lots of rain and cool summer
Hot steppe
{name} jubilee
cm
Old-timers
Find an animal or breed...
Wingspan
turns
islands and part of Australia, many unusual animals and plants
Rascals
terrestrial forest
cloud forest
hot Africa south of the desert, many savannas and forests
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
temperate forest
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
38 to 65 grams, 15 – 40 centimeters
lots of rain, cool summer, snow in winter
Low precipitation in winter
Legendary longevity: over 100 years. Galapagos tortoises, Greenland sharks, ocean quahogs celebrate with family once every 4 years
Tropical moist forest
Elders
Bro
Taxons
hot, rains in winter, almost no precipitation in summer
if born as {name}
cold, short summer, almost no trees
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
Neotropical realm
My weight?
summer is hot and almost no rain falls
Non-stop carnival: they only live a few days. Mayflies, rotifers, midges celebrate their birthday more than twice a day
Neotropical realm
arid steppe
Potential Habitat
lots of grass, few trees, rains are rare
Very hot summer
Hot, almost no rain in 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
subtropical forest
islands and part of Australia, many unusual animals and plants
summer very hot, above +25…+30 °C
{name} birthday
Nearctic realm
Always hot
No results found
North America and Greenland, from tundra to forests
Hot with heavy summer rains
On the map
Pleasant summer
Female ♀
dry and hot summer, warm and rainy winter
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.
warm temperate humid
dry forest
birth year
lots of grass, few trees, rains occur
lots of rain, summer from warm to very hot
terrestrial habitat, land surface outside water
sq mm
yr
comfortable summer, +20…+25 °C
How similar?
Male ♂
until the celebration
Tundra
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?
Where do they live?
Immature individual that has not yet reached reproductive maturity.
from birth to death
much snow in winter, cold
warm and hot
early young
forests on land — tropical, temperate, boreal
world of Afrotropics
savanna
Temperate mixed forest
Very hot and dry
Duration
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
Steppe
Always very wet
Gamers
hot, heavy rains in summer, little precipitation in winter
How are they built?
Temperate steppe
mm
Theoretical lifespan
arid
ml
Stars
Link copied
My age?
wk
My size?
very hot during the day, cold at night, almost no rain
terrestrial
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
equatorial humid
Lifespan maximum
world of Australasia
very hot and almost no precipitation
Hermaphrodite ⚥
North America and Greenland, from tundra to forests
tropical rainforest
embryo
Orange
warm swampy shores with trees on roots, crabs live there
summer warm, many oaks, birches, maples
Length
kg
lots of rain, warm and pleasant summer
Observations
◉{N} more on tap