The pied harrier is a predatory bird with long wings and tail. Males have black-and-white plumage, while females have brown.
The pied harrier differs from other harriers with the bright black-and-white color of males. It is important for nature because it regulates the population of rodents.
Worker
birth time
Submerges underwater to reach prey or food at depth.
live adult frogs and toads
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
g
t
When your next jubilee falls in {name} life years
Human
days
Warm summer
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.
adult
Maturity
South and Central America, hot and humid, huge forests
insects
About health
When your next birthday would fall if you lived as {name}
rodents in general — rats, squirrels, ground squirrels
Repro interval
results
aerial
summer warm, winter not very cold
Southeast Asia and islands, always hot and humid
Colors
Sex
Upcoming jubilees
Gremllins
diving
mo
hot, rains in summer, little precipitation in winter
little precipitation in winter, more in summer
Trophic type
Filters
Palearctic realm
always hot and humid, huge trees and vines
Upcoming birthdays
Breeding structure built or used for laying eggs and raising offspring.
Truly long lives: 40-100 years. Bowhead whales, albatrosses, giant tortoises recall their birthday at most once a year
Lifespan
Age (from birth to death)
Hot, little precipitation in winter
most of Europe and Asia, various forests, steppes and tundra
Wanderers
Feeding occurs in open air space above ground or water.
Wings size
Jubilee = every 10th birthday
Earliest developmental stage inside an egg or womb.
Business sausages
Lifespan average
What do they look like?
Maturity
emergence (insects)
end of lifespan
Wings color
hot, there is a dry season, trees shed their leaves
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.
hot, uneven rains, lots of grass and trees
Egg count
Actively hunting and capturing live prey.
flight
Pets
Indomalayan realm
Indomalayan realm
Tropical dry broadleaf forest
Lots of rain and cool summer
Feeding occurs primarily on land or in vegetation.
{name} jubilee
cm
Old-timers
Find an animal or breed...
Wingspan
turns
Rascals
terrestrial forest
Flooded grasslands
Litter size
Tropical savanna
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?
Living from 25 to 40 years. Orangutans, bald eagles, African elephants celebrate their birthday twice a year
°C
Not specified
Actively searching habitats to locate food items.
Egg color
small birds
Where are they found?
Down color
lots of rain, cool summer, snow in winter
Low precipitation in winter
Legendary longevity: over 100 years. Galapagos tortoises, Greenland sharks, ocean quahogs celebrate with family once every 4 years
Offspring
Tropical moist forest
Elders
small birds — sparrows, tits, hummingbirds
Bro
Taxons
carnivore
if born as {name}
age
birth date
Palearctic realm
Talons size
Close
was
Career from 7 to 15 months. Dwarf hamsters, voles, field crickets celebrate their birthday twice a month
The basics
Neotropical realm
My weight?
Non-stop carnival: they only live a few days. Mayflies, rotifers, midges celebrate their birthday more than twice a day
primary food sources
Beak size
Potential Habitat
Very hot summer
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
Mass
Mosquitoes, fruit flies, small crustaceans hustle for up to 7 months and throw a birthday party every week
terrestrial
from 130 grams to 0.5 kilograms, 0.35 – 0.8 meters
summer very hot, above +25…+30 °C
{name} birthday
searching flight low over the ground
Always hot
No results found
On the map
lunge
all life stages
Female ♀
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.
birth year
Maturity
hearing
steppe
terrestrial habitat, land surface outside water
sq mm
yr
Beak color
How similar?
Egg size
Male ♂
until the celebration
baby / chick
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
Young offspring still dependent on parental care.
nest
What do they eat?
Where do they live?
Talons color
Plumage color
forests on land — tropical, temperate, boreal
water often floods the land, lots of grass
rodents
Temperate mixed forest
Duration
live insects
This is me
most of Europe and Asia, various forests, steppes and tundra
Gamers
How are they built?
frogs and toads
mm
Theoretical lifespan
ml
Stars
Link copied
My age?
wk
My size?
terrestrial
Asexual
swap
Southeast Asia and islands, always hot and humid
active predation
Rabbits, falcons, red-eared turtles hang out for 6-9 years and party on their birthday four times a year
Where do they take shelter?
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
foraging
Capturing or collecting food while airborne.
Hermaphrodite ⚥
embryo
Zucchini
summer warm, many oaks, birches, maples
Length
kg
Rapid forward strike to seize prey.
Observations
◉{N} more on tap