Energetic, good-natured, balanced, with pronounced sporting drive. High working capacity, loyalty to humans, good trainability. Less phlegmatic than many draft breeds, yet remains calm in stressful situations.
Pleven horse — a light riding warm-blooded breed, bred in Bulgaria by crossing local mares with Arabian, English thoroughbred, Anglo-Arabian and Hanoverian stallions. Distinguished by a harmonious, dry, elegant build of the Anglo-Arabian type. Height at withers 1580–1680 mm (ideal 1620–1650 mm), live weight 450000–550000 g. Drier constitution and Arabized head type compared to the English thoroughbred. Long light neck, high withers, straight back, deep chest, slightly sloping croup. Acceptable colors: bay (all shades, main), chestnut, black, liver chestnut. Not allowed: gray, roan, pinto, cream, spotted. Format index 1.02–1.05, bone index 11.8–12.8%.
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.
training aptitude
Worker
Elders
Bro
Present at birth due to genetic or developmental factors.
birth time
Long-lasting or recurring health condition persisting over an extended period.
Taxons
Complete exclusion of contact with dust and mold, corticosteroids (prednisolone 0.5–1 mg/kg), bronchodilators (clenbuterol 0.8 μg/kg 2 times a day)
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
rao
osteoarthritis of hip and knee
g
age
t
When your next jubilee falls in {name} life years
Human
birth date
cough
Claws color
Fur color
Close
was
diseases symptoms muscle weakness
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}
controlled
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?
First seizures at the age of 2–4 years, lasting 30–90 minutes, with relapses throughout life
Non-stop carnival: they only live a few days. Mayflies, rotifers, midges celebrate their birthday more than twice a day
adult
Confidence
lameness
Health
Potential Habitat
About health
When your next birthday would fall if you lived as {name}
Piano
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
Torso color
Mosquitoes, fruit flies, small crustaceans hustle for up to 7 months and throw a birthday party every week
temperature for housing
systemic
chronic
Sex
{name} birthday
Upcoming jubilees
Gremllins
mo
No results found
congenital
breathing problems
Torso length
Filters
Eyes color
chronic nasal discharge
On the map
collapse
Female ♀
Onset at 6–9 years, slow progression over 2–5 years
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.
Develops after 7 years of age, symptoms increase over several weeks upon contact with the allergen
Truly long lives: 40-100 years. Bowhead whales, albatrosses, giant tortoises recall their birthday at most once a year
Lifespan
birth year
joint diseases
Affecting multiple organs or the entire body.
sq mm
yr
age over 8 years
Wanderers
severe
Frequently observed or widespread in the species or population.
food allergens
How similar?
pasture stall regular training
Jubilee = every 10th birthday
Male ♂
until the celebration
age as {name}
How do they breed?
Discomfort or pain experienced specifically during locomotion.
On the go from 3.5 to 6 years. Hedgehogs, crows, lizards treat themselves to birthday snacks 6 times a year
Minimum space
Legs color
What if eaten?
pain on movement
Neither
Earliest developmental stage inside an egg or womb.
Business sausages
Health issue of intermediate seriousness, neither mild nor life-threatening.
Head length
Lifespan average
What do they eat?
Where do they live?
moderate
Severity rating for disorders affecting movable joints.
early young
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...
Mature, fully developed individual capable of reproduction.
300 to 350 kilograms, 1.8 – 2.5 meters
Nose color
This is me
Gamers
Pets
How are they built?
Belly color
mm
Theoretical lifespan
ml
Stars
Link copied
complete paralysis
My age?
wk
My size?
Involuntary shaking or trembling of the body.
hypp
Serious or life-threatening health condition requiring urgent attention.
{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
Rascals
Where do they take shelter?
Legs length
Tail color
stress
Head color
celebrated their {n} birthday
Disorder caused by inherited or mutation-based factors.
Impaired or abnormal gait indicating limb or joint problems.
When you would have been born if you lived as {name}
Litter size
Daddies
Lifespan maximum
Back color
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?
common diseases
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
genetic diseases
Length
kg
Whiskers color
body tremor
Observations
◉{N} more on tap