Secretive, geotropic, nocturnal. Avoids light, quickly retracts into the burrow when in danger.
irritants
meadows, prairies, forb glades on land
Immature form that undergoes metamorphosis before adulthood.
Worker
birth time
compost bin
segment loss
citrus waste
Dogs, dolphins, lynx hang out for 9-25 years and party on their birthday three times a year
loss of appetite
m
Map
will celebrate their {n} birthday
chemical substrate
g
t
When your next jubilee falls in {name} life years
Human
Litters lifetime count
muscle necrosis
detritus, eat dead remains of plants, animals and all kinds of organic debris on the bottom
Mycoparasites
earthworm circovirus
days
Warm summer
green mycelium
How old you would be if you lived as {name}
hexamita lumbrici
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.
adult
Maturity
mummification
organic debris
systemic vibriosis
respiratory failure under stress
parasites diseases destruction of coverings
About health
When your next birthday would fall if you lived as {name}
candida albicans
synthetic fertilizers
results
land coast flooded by tides — salt marshes, littoral zone
summer warm, winter not very cold
adenovirus disease
temperature for housing
parasites diseases bacteriosis
aspergillus sp.
clostridiosis
putrefactive decay
Sex
mucus discharge
parasites diseases skin growths
neurological signs
Upcoming jubilees
pinkish coating
Gremllins
mo
candidiasis
sepsis
gregarinosis
Filters
infected bacteria
age diag byOther
body deformation
folsomia candida
substrate cleaning
segment decay
compost
Upcoming birthdays
standing fresh waters — lakes, ponds, oxbow lakes
parasites diseases intestinal damage
Winter with snow
Truly long lives: 40-100 years. Bowhead whales, albatrosses, giant tortoises recall their birthday at most once a year
Lifespan
white skin spots
rains almost always, very humid
decay
Age (juvenile)
rhabditosis
tissue degeneration
Age (from birth to death)
meat waste
loss of regenerative ability
Age (embryo)
most of Europe and Asia, various forests, steppes and tundra
Wanderers
chronic lethargy
coccidiosis
rhabditella axei
fusariosis
mechanical damage to cuticle
Jubilee = every 10th birthday
reduced reproduction
beauveria bassiana
Minimum space
general condition exam
Bacteria
metarhiziosis
Earliest developmental stage inside an egg or womb.
Business sausages
Lifespan average
sterilization
young after fast growth
skin necrosis
bdelloid rotifers
Juvenile stage following larval metamorphosis but not yet adult.
hexamitiasis
What do they look like?
Maturity
emergence (insects)
end of lifespan
parasites diseases hemolymph disorder
How do they live?
fertilization / egg laying
How do they behave?
birth / hatching
cuticle erosion
monocystis lumbricorum
metamorphosis / end of larval stage
end of acceleration
Share
swampy freshwater biotopes — peat bogs, marshes, river mangroves
hemorrhagic enteritis
aspergillus spp
Carbohydrates
Find a pet...
Mature, fully developed individual capable of reproduction.
toxin induced necrosis
chronic inflammation
death
rna viral infection
Pets
Endoparasites
white mycelium
plastic or wooden box
{name} jubilee
cm
Old-timers
Find an animal or breed...
direct sunlight
turns
Rascals
terrestrial forest
terrestrial herbaceous
terrestrial intertidal
milk dairy
Flooded grasslands
parasites diseases violet plaque
Fat
Viruses
extreme emaciation
Grit / Gravel
Ectoparasites
Litter size
cuticle loss
destruction of nervous system
diarrhea
polyomavirus infection
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
parasites diseases segment necrosis
How to care for them?
emaciation
parasites diseases tissue decay
gas gangrene
necrosis of intestines and liver
Living from 25 to 40 years. Orangutans, bald eagles, African elephants celebrate their birthday twice a year
bacillus thuringiensis var. israelensis
°C
Not specified
segmentation anomalies
lethal outcome
skin ulcers
catarrhal enteritis
Where are they found?
chronic anemia
lumbricus rna virus
pacilomycetosis
all rivers and lakes
loss of integrity
parasites diseases cutaneous necrosis
Legendary longevity: over 100 years. Galapagos tortoises, Greenland sharks, ocean quahogs celebrate with family once every 4 years
refusal to move
Elders
mass mortality
Bro
lakes and ponds
fresh manure
freshwater marsh and wetlands
Taxons
nodavirus disease
if born as {name}
age
pseudomonosis
blood infection
birth date
irritation
circovirus disease
paecilomyces lilacinus
parasites diseases secondary fungal infections
Protein
Palearctic realm
clostridium perfringens type d
boveriosis
Close
was
Career from 7 to 15 months. Dwarf hamsters, voles, field crickets celebrate their birthday twice a month
white mycelium
The basics
chlorinated water
My weight?
environment parameter control
humus
secondary infection
Non-stop carnival: they only live a few days. Mayflies, rotifers, midges celebrate their birthday more than twice a day
dropsy
facial dermatitis
Potential Habitat
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
septicemia
decaying leaves
mycosis
aeromonas hydrophila
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
Gestation
convulsions
seminal vesicle distension
ulcerative lesions
serratia marcescens
age diag byColoration
{name} birthday
iridovirus infection
hemolysis
Nearctic realm
lethargy
tumors
tissue breakdown
hypoaspis miles
age diag bySize
No results found
North America and Greenland, from tundra to forests
immunosuppression
testicular degeneration
On the map
copper sulfate and copper preparations
polyomavirus
Pleasant summer
Female ♀
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.
tissue necrosis
birth year
dendrobaena parasitic mite
degeneration of coverings
terrestrial habitat, land surface outside water
neurodegeneration
sq mm
yr
comfortable summer, +20…+25 °C
body deformity
parasites diseases secondary mycoses
nutrition food name vegetable remnants
pesticides insecticides
How similar?
collembola sp.
Male ♂
until the celebration
bloating
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
male fertility reduction
fungi
What if eaten?
Neither
What do they eat?
Where do they live?
from birth to death
much snow in winter, cold
early young
forests on land — tropical, temperate, boreal
water often floods the land, lots of grass
rotten smell
digestive disorder
Freshwater
Temperate mixed forest
red pigmentation
reduced regenerative potential
muscle degeneration
cover inflammation
parasitylenchus lumbricorum
erosion of coverings
tumor growth
This is me
from 11 to 16 grams, 1.5 – 12 centimeters
parasites diseases sepsis
freshwater
Always very wet
Gamers
petroleum products
loss of fertility
How are they built?
lumbricus terrestris densovirus
microsporidiosis
enchytraeus albidus
mm
Theoretical lifespan
ml
Stars
Link copied
complete paralysis
bacillosis
My age?
wk
My size?
temperament
terrestrial
earthworm nodavirus
Taiga
thelohania lumbricorum
intestinal function disorders
Asexual
parasitilenchosis
swap
freshwater environment — rivers, lakes, ponds, swamps
skin irritation
early death
Rabbits, falcons, red-eared turtles hang out for 6-9 years and party on their birthday four times a year
nacl
Where do they take shelter?
Warm summer and lots of rain
Calcium
metarhizium anisopliae
vibrio
celebrated their {n} birthday
traumatic dermatitis
pseudomonas aeruginosa
mild enteritis
When you would have been born if you lived as {name}
hemolytic disease
Daddies
fusarium oxysporum
Lifespan maximum
intestinal epithelial damage
high humidity
parasites diseases intestinal paralysis
whole life
Hermaphrodite ⚥
Strawberry
soil detritus
embryo
tissue necrosis
summer warm, many oaks, birches, maples
Length
serraciosis
kg
gregarina lumbricorum
lots of rain, warm and pleasant summer
yeast sepsis
substrate layer
earthworm iridovirus
severe dehydration
Observations
◉{N} more on tap