Legendary longevity: over 100 years. Galapagos tortoises, Greenland sharks, ocean quahogs celebrate with family once every 4 years
Tropical moist forest
Worker
Elders
lots of rain, summer from cool to warm, snow in winter
Bro
birth time
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
wetland
cold, short summer, almost no trees
g
age
summer mild, +15…+20 °C
lots of rain, warm summer, snow in winter
t
When your next jubilee falls in {name} life years
Human
birth date
Palearctic realm
Close
very hot and very humid all year round, rain almost every day
was
very cold, short summer, almost no trees, lots of moss
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
Warm summer
The basics
How old you would be if you lived as {name}
dry, lots of grass, few trees
Neotropical realm
Dense tree cover forming a closed canopy habitat.
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
Potential Habitat
About health
lots of grass, few trees, rains are rare
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
lots of rain, summer not hot
Mass
cold winter, lots of coniferous trees: spruce, pine
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
Cool summer
Sex
{name} birthday
Upcoming jubilees
Gremllins
mo
Nearctic realm
Always hot
No results found
North America and Greenland, from tundra to forests
Filters
On the map
Female ♀
Palearctic realm
always hot and humid, huge trees and vines
Upcoming birthdays
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
Height
birth year
lots of grass, few trees, rains occur
grassland
Age (from birth to death)
sq mm
yr
Domestic world
most of Europe and Asia, various forests, steppes and tundra
Wanderers
How similar?
live in homes and on farms
Jubilee = every 10th birthday
Male ♂
until the celebration
forest
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?
Tundra
Neither
Business sausages
Very cold winter and hot summer
Lifespan average
What do they eat?
Where do they live?
Lots of rain and warm summer
much snow in winter, cold
Land saturated with water supporting aquatic plants.
Arid steppe
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
Temperate mixed forest
end of acceleration
Share
Find a pet...
Always hot and wet
This is me
most of Europe and Asia, various forests, steppes and tundra
Steppe
very cold winter and very hot summer
Gamers
Snowy winter and summer from cool to warm
Pets
How are they built?
Indomalayan realm
Cool summer and lots of rain
Nearctic realm
Temperate steppe
mm
Theoretical lifespan
Indomalayan realm
ml
Stars
Link copied
My age?
wk
My size?
Lots of rain and cool summer
Open terrain dominated by grasses with few trees.
Cool, humid forest occurring on mountain slopes at mid to high elevations.
montane forest
Taiga
{name} jubilee
Asexual
live in homes and on farms
swap
cm
Old-timers
Find an animal or breed...
Southeast Asia and islands, always hot and humid
turns
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?
Denotes a grassland or steppe habitat preference.
Warm summer and lots of rain
rainforest
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
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
temperate forest
How to care for them?
Domestic world
Living from 25 to 40 years. Orangutans, bald eagles, African elephants celebrate their birthday twice a year
°C
Not specified
Hermaphrodite ⚥
Grape
taiga
Where are they found?
8 to 11 grams, 1.5 – 8 centimeters
North America and Greenland, from tundra to forests
steppe
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