Calm, defensive; rarely aggressive, but may use stinging hairs when threatened.
Legendary longevity: over 100 years. Galapagos tortoises, Greenland sharks, ocean quahogs celebrate with family once every 4 years
Immature form that undergoes metamorphosis before adulthood.
Tropical moist forest
Worker
Elders
Bro
Size female size
birth time
Taxons
Heavy rains in summer
if born as {name}
Dogs, dolphins, lynx hang out for 9-25 years and party on their birthday three times a year
mouse pups
m
Map
will celebrate their {n} birthday
large cockroaches
g
age
t
When your next jubilee falls in {name} life years
Human
birth date
Protein
Litters lifetime count
Close
very hot and very humid all year round, rain almost every day
was
days
Career from 7 to 15 months. Dwarf hamsters, voles, field crickets celebrate their birthday twice a month
The basics
How old you would be if you lived as {name}
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
very heavy rains in summer, almost no precipitation in winter
adult
Size male size
Potential Habitat
About health
citrus fruits
When your next birthday would fall if you lived as {name}
Water
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
temperature for housing
Gestation
islands and part of Australia, many unusual animals and plants
small live insects
age diag byColoration
Sex
{name} birthday
Upcoming jubilees
Gremllins
mo
Always hot
age diag bySize
No results found
Hot with heavy summer rains
Filters
On the map
age diag byOther
Female ♀
always hot and humid, huge trees and vines
Upcoming birthdays
Body temperature
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.
Truly long lives: 40-100 years. Bowhead whales, albatrosses, giant tortoises recall their birthday at most once a year
Lifespan
adult mice
birth year
rains almost always, very humid
terrestrial habitat, land surface outside water
sq mm
yr
Chitin
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
Minimum space
What if eaten?
Neither
Earliest developmental stage inside an egg or womb.
Business sausages
Lifespan average
What do they eat?
onion garlic and hot pepper
Where do they live?
young after fast growth
cricket
Juvenile stage following larval metamorphosis but not yet adult.
early young
insects from nature
forests on land — tropical, temperate, boreal
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
garden earthworms
Carbohydrates
Find a pet...
Mature, fully developed individual capable of reproduction.
small cockroach
Always hot and wet
This is me
Always very wet
Gamers
65 to 130 grams, 25 – 60 centimeters
hot, heavy rains in summer, little precipitation in winter
Pets
How are they built?
mm
Theoretical lifespan
ml
Stars
Link copied
My age?
wk
My size?
temperament
terrestrial
{name} jubilee
Asexual
swap
cm
Old-timers
Find an animal or breed...
turns
Rabbits, falcons, red-eared turtles hang out for 6-9 years and party on their birthday four times a year
nacl
Rascals
Where do they take shelter?
terrestrial forest
Calcium
milk dairy
Fat
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
Litter size
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
How to care for them?
fatty larvae in large quantities
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?
embryo
Carrot
Length
kg
zwergi
Observations
◉{N} more on tap