Worker
birth time
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
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
days
South and Central America, hot and humid, huge forests
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
Maturity
South and Central America, hot and humid, huge forests
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
Cool summer
Sex
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
Upcoming birthdays
rocky hills
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
Age (juvenile)
Age (from birth to death)
Hot, little precipitation in winter
Age (embryo)
most of Europe and Asia, various forests, steppes and tundra
Wanderers
world of Australasia
Jubilee = every 10th birthday
forest
Business sausages
Lifespan average
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...
Human-built environments within towns and cities.
Pets
Indomalayan realm
Nearctic realm
Indomalayan realm
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
urban
Low precipitation in winter
Legendary longevity: over 100 years. Galapagos tortoises, Greenland sharks, ocean quahogs celebrate with family once every 4 years
Elders
Bro
Taxons
if born as {name}
age
birth date
Elevated terrain with rocky slopes offering exposed perches and burrowing sites.
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
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
Neotropical realm
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
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
Gestation
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
On the map
Pleasant summer
Female ♀
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
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
What do they eat?
Where do they live?
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
How are they built?
Cool summer and lots of rain
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
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 ⚥
Grape
8 to 11 grams, 1.5 – 8 centimeters
North America and Greenland, from tundra to forests
Length
kg
lots of rain, warm and pleasant summer
Observations
◉{N} more on tap