Near-shore terrestrial and marine zones influenced by the sea.
Immature form that undergoes metamorphosis before adulthood.
Worker
Hot summer almost without rain
birth time
woodland
Hot and almost no precipitation
Heavy rains in summer
humid
very cold, short summer, lots of moss
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
lots of rain, warm summer, snow in winter
summer mild, +15…+20 °C
Polar tundra
t
When your next jubilee falls in {name} life years
Human
hot Africa south of the desert, many savannas and forests
High-elevation terrain above lowland zones, often cooler and wind-exposed.
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
polar tundra
marine
South and Central America, hot and humid, huge forests
montane
Coconut
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
Polar sea
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
warm temperate humid and hot
rains are very rare, almost a desert
little precipitation in winter, more in summer
all seas and oceans
Filters
summer very hot, dry, lots of grass
Warm or hot summer
the coldest and iciest edge, almost always snow and ice
Palearctic realm
Upcoming birthdays
wetlands
Winter with snow
Truly long lives: 40-100 years. Bowhead whales, albatrosses, giant tortoises recall their birthday at most once a year
Lifespan
Non-saline aquatic environments such as rivers and lakes.
Oceanian realm
Height
rains almost always, very humid
grassland
Very hot and almost dry
Age (juvenile)
Age (from birth to death)
Hot, little precipitation in winter
Age (embryo)
Domestic world
most of Europe and Asia, various forests, steppes and tundra
Wanderers
Age (larva)
warm temperate
world of Australasia
Jubilee = every 10th birthday
dry, cold winter, lots of grass, few trees
forest
Tundra
Earliest developmental stage inside an egg or womb.
Business sausages
Very cold winter and hot summer
Warm sea
Lifespan average
water is almost always cold, there may be ice in winter, not hot in summer
semi desert
mountain
young after fast growth
Juvenile stage following larval metamorphosis but not yet adult.
Arid steppe
What do they look like?
Maturity
peat swamp
emergence (insects)
end of lifespan
How do they live?
fertilization / egg laying
How do they behave?
birth / hatching
Broad regions of marshes, swamps, and shallow waters.
metamorphosis / end of larval stage
end of acceleration
Share
arid steppe hot
Find a pet...
Mature, fully developed individual capable of reproduction.
Freshwater
Cold sea
very cold, lots of snow and ice
water is cool or warm, cold in winter, comfortable to swim in summer
very cold winter and very hot summer
from 0.5 to 0.8 kilograms, 0.5 – 1 meter
Snowy winter and summer from cool to warm
world of Antarctica
Pets
all rivers and lakes
Indomalayan realm
Nearctic realm
deciduous forest
Indomalayan realm
Mangrove thickets
Lots of rain and cool summer
Open terrain dominated by grasses with few trees.
Hot steppe
Cool, humid forest occurring on mountain slopes at mid to high elevations.
{name} jubilee
live in homes and on farms
cm
Summer from cool to warm
Old-timers
Find an animal or breed...
turns
islands and part of Australia, many unusual animals and plants
Rascals
warm swampy sea shores, trees on roots
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
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
the sea is covered with ice most of the year or has many ice floes, very cold in winter
Where are they found?
all seas and oceans
steppe
desert scrub
all rivers and lakes
Open ocean and sea habitats supporting pelagic and deep-water species.
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
Elders
lots of rain, summer from cool to warm, snow in winter
Bro
Very cold
water is almost always warm, even in winter you can swim, very hot in summer
Taxons
Temperate sea
if born as {name}
mountain forest
cold, short summer, almost no trees
age
Forest vegetation covering mountain slopes, varying with altitude.
water is almost always warm, even in winter you can swim, very hot in summer
birth date
Palearctic realm
coastal
Close
was
Career from 7 to 15 months. Dwarf hamsters, voles, field crickets celebrate their birthday twice a month
Marine world
The basics
dry, lots of grass, few trees
Neotropical realm
Dense tree cover forming a closed canopy habitat.
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
Temperate sea
Potential Habitat
lots of grass, few trees, rains are rare
Very hot summer
Arid region with sparse drought-adapted shrubs and grasses receiving limited rainfall.
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
lots of rain, summer not hot
Mass
Mosquitoes, fruit flies, small crustaceans hustle for up to 7 months and throw a birthday party every week
scrubland
islands and part of Australia, many unusual animals and plants
water is cool or warm, cold in winter, you can swim in summer
summer very hot, above +25…+30 °C
Warm sea
{name} birthday
Open landscape dominated by shrubs and low woody vegetation.
Nearctic realm
Always hot
No results found
North America and Greenland, from tundra to forests
Hot with heavy summer rains
polar
On the map
Pleasant summer
Female ♀
Cold and almost dry
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
birth year
lots of rain, summer from warm to very hot
sq mm
yr
comfortable summer, +20…+25 °C
How similar?
live in homes and on farms
water is almost always cold, there may be ice in winter, not hot in summer
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
Open landscape of scattered shrubs and grasses typical of Mediterranean or arid climates.
What if eaten?
Very dry
Neither
flooded grassland
from birth to adulthood
Mixed tree cover with moderate canopy and understory, supporting diverse woodland fauna.
world of Antarctica
What do they eat?
dry and cold almost all year round
Where do they live?
Immature individual that has not yet reached reproductive maturity.
Lots of rain and warm summer
from birth to death
Marine world
much snow in winter, cold
Land saturated with water supporting aquatic plants.
early young
boreal forest
world of Afrotropics
Freshwater
savanna
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?
Cool summer and lots of rain
mm
Theoretical lifespan
arid
ml
Stars
Link copied
the coldest and iciest edge, almost always snow and ice
My age?
wk
My size?
very hot during the day, cold at night, almost no rain
freshwater
sea almost always covered with thick ice, very cold all year round
montane forest
Asexual
swap
Subpolar sea
Southeast Asia and islands, always hot and humid
Mangrove forest
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.
cool
Warm summer and lots of rain
rainforest
many islands in the Pacific Ocean, warm seas and corals
celebrated their {n} birthday
Steep, elevated landforms rising significantly above surrounding terrain.
When you would have been born if you lived as {name}
very hot all year round, frequent rains, but sometimes dry
Cold steppe
Daddies
Lifespan maximum
temperate rainforest
summer not hot, from +15 to +25 °C
world of Australasia
very hot and almost no precipitation
Domestic world
Hermaphrodite ⚥
shrubland
taiga
Cold sea
North America and Greenland, from tundra to forests
tropical rainforest
embryo
warm swampy shores with trees on roots, crabs live there
Length
kg
lots of rain, warm and pleasant summer
Waterlogged forest on thick, acidic peat deposits.
Observations
◉{N} more on tap