meadows, prairies, forb glades on land
Immature form that undergoes metamorphosis before adulthood.
Worker
Hot summer almost without rain
birth time
Dry warm summer and snowy winter
Hot and almost no precipitation
Heavy rains in summer
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
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
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}
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
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 winter with almost no precipitation
Warm or hot summer
the coldest and iciest edge, almost always snow and ice
Palearctic realm
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
Height
rains almost always, very humid
Very hot and almost dry
Age (from birth to death)
Hot, little precipitation in winter
Domestic world
most of Europe and Asia, various forests, steppes and tundra
Wanderers
world of Australasia
Jubilee = every 10th birthday
dry, cold winter, lots of grass, few trees
Warm summer and frequent rains
Tundra
Earliest developmental stage inside an egg or womb.
Business sausages
Very cold winter and hot summer
Lifespan average
water is almost always cold, there may be ice in winter, not hot in summer
Arid steppe
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
Find a pet...
Mature, fully developed individual capable of reproduction.
Freshwater
Cold sea
hot, uneven rains, lots of grass and trees
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
Snowy winter and summer from cool to warm
world of Antarctica
Pets
all rivers and lakes
Indomalayan realm
Nearctic realm
Indomalayan realm
Mangrove thickets
Lots of rain and cool summer
Hot steppe
{name} jubilee
live in homes and on farms
cm
Summer from cool to warm
Old-timers
Find an animal or breed...
Wingspan
turns
islands and part of Australia, many unusual animals and plants
Rascals
terrestrial grassland and steppe
terrestrial herbaceous
warm swampy sea shores, trees on roots
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
Dry cool summer and snowy winter
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
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
all rivers and lakes
Summer almost without rain
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
always frost, even in summer it's cold
Very cold
winter dry and warm
Taxons
almost no rain in summer, more precipitation in winter
hot, rains in winter, almost no precipitation in summer
if born as {name}
cold, short summer, almost no trees
age
water is almost always warm, even in winter you can swim, very hot in summer
birth date
Palearctic realm
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
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
3 to 8 grams, 0.5 – 5 centimeters
Neotropical realm
Temperate sea
Potential Habitat
lots of grass, few trees, rains are rare
Very hot summer
Always frosty
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
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
islands and part of Australia, many unusual animals and plants
summer very hot, above +25…+30 °C
Warm sea
{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 ♀
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.
birth year
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?
dry and cool summer, winter with snow
live in homes and on farms
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
world of Antarctica
What do they eat?
dry and cold almost all year round
Where do they live?
Lots of rain and warm summer
Marine world
much snow in winter, cold
early young
world of Afrotropics
Freshwater
Very hot and dry
dry and warm summer, winter with snow
many islands in the Pacific Ocean, warm seas and corals
always cold, even in summer it's frosty
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
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
terrestrial
sea almost always covered with thick ice, very cold all year round
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?
Warm summer and lots of rain
many islands in the Pacific Ocean, warm seas and corals
celebrated their {n} birthday
open grassy spaces — steppes, savannas, prairies
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
summer not hot, from +15 to +25 °C
world of Australasia
very hot and almost no precipitation
Domestic world
Berry
Hermaphrodite ⚥
North America and Greenland, from tundra to forests
embryo
warm swampy shores with trees on roots, crabs live there
kg
lots of rain, warm and pleasant summer
Always very cold
Observations
◉{N} more on tap