Legendary longevity: over 100 years. Galapagos tortoises, Greenland sharks, ocean quahogs celebrate with family once every 4 years
Worker
Elders
Bro
birth time
lakes and ponds
freshwater marsh and wetlands
Taxons
if born as {name}
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
shallow coastal zones of rivers and lakes
g
age
summer mild, +15…+20 °C
t
When your next jubilee falls in {name} life years
water is almost always warm, even in winter you can swim, very hot in summer
Human
birth date
hot Africa south of the desert, many savannas and forests
Palearctic realm
freshwater coastal and creek
Close
was
days
South and Central America, hot and humid, huge forests
Career from 7 to 15 months. Dwarf hamsters, voles, field crickets celebrate their birthday twice a month
Marine world
Warm summer
The basics
How old you would be if you lived as {name}
Neotropical realm
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.
My weight?
Non-stop carnival: they only live a few days. Mayflies, rotifers, midges celebrate their birthday more than twice a day
Maturity
Neotropical realm
South and Central America, hot and humid, huge forests
Temperate sea
Potential Habitat
About health
marine coastal
When your next birthday would fall if you lived as {name}
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
results
Mass
Mosquitoes, fruit flies, small crustaceans hustle for up to 7 months and throw a birthday party every week
summer warm, winter not very cold
Southeast Asia and islands, always hot and humid
islands and part of Australia, many unusual animals and plants
Cool summer
Sex
Warm sea
{name} birthday
Upcoming jubilees
Gremllins
mo
Nearctic realm
Always hot
No results found
North America and Greenland, from tundra to forests
all seas and oceans
Filters
On the map
Pleasant summer
Female ♀
Palearctic realm
Cold and almost dry
Upcoming birthdays
standing fresh waters — lakes, ponds, oxbow lakes
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.
Winter with snow
Truly long lives: 40-100 years. Bowhead whales, albatrosses, giant tortoises recall their birthday at most once a year
Lifespan
birth year
rains almost always, very humid
Age (from birth to death)
sq mm
yr
comfortable summer, +20…+25 °C
most of Europe and Asia, various forests, steppes and tundra
Wanderers
How similar?
world of Australasia
Jubilee = every 10th birthday
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?
Neither
Business sausages
Lifespan average
What do they eat?
dry and cold almost all year round
Where do they live?
Marine world
much snow in winter, cold
What do they look like?
Maturity
water often floods the land, lots of grass
emergence (insects)
world of Afrotropics
end of lifespan
River estuary into the sea
Freshwater
How do they live?
fertilization / egg laying
How do they behave?
birth / hatching
metamorphosis / end of larval stage
Temperate mixed forest
end of acceleration
Share
swampy freshwater biotopes — peat bogs, marshes, river mangroves
Find a pet...
saline marine habitat
This is me
most of Europe and Asia, various forests, steppes and tundra
water is cool or warm, cold in winter, comfortable to swim in summer
freshwater
Always very wet
Gamers
where the river flows into the sea, slightly salty water, lots of fish and birds
Pets
How are they built?
Indomalayan realm
marine
shallow near the shore, water rises and falls, crabs live here
Nearctic realm
mm
Theoretical lifespan
Indomalayan realm
ml
Stars
Link copied
coastal marine zone — shelf, neritic zone
My age?
wk
My size?
Lots of rain and cool summer
{name} jubilee
Asexual
swap
freshwater environment — rivers, lakes, ponds, swamps
cm
Old-timers
Find an animal or breed...
Southeast Asia and islands, always hot and humid
Wingspan
turns
islands and part of Australia, many unusual animals and plants
Rabbits, falcons, red-eared turtles hang out for 6-9 years and party on their birthday four times a year
Rascals
Where do they take shelter?
Warm summer and lots of rain
Flooded grasslands
celebrated their {n} birthday
hot Africa south of the desert, many savannas and forests
When you would have been born if you lived as {name}
very hot all year round, frequent rains, but sometimes dry
Littoral Zone
Daddies
Lifespan maximum
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
world of Australasia
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
Hermaphrodite ⚥
Where are they found?
all seas and oceans
North America and Greenland, from tundra to forests
Orange
38 to 65 grams, 15 – 40 centimeters
all rivers and lakes
summer warm, many oaks, birches, maples
Length
kg
lots of rain, warm and pleasant summer
lots of rain, cool summer, snow in winter
Observations
◉{N} more on tap