R
Species Profile

Red Kite

Milvus milvus

Forked tail, floating flight, comeback!
Henk Bogaard/Shutterstock.com
Red Kite (Milvus milvus) flying in Gelderland in the Netherlands

At a Glance

Wild Species
Also Known As Milan, Milan royal, Milano real, Rotmilan, Milhafre-real
Diet Scavenger
Activity Diurnal+
Lifespan 10 years
Weight 1.3 lbs
Status Least Concern
Did You Know?

Primary ID: a long, deeply forked tail used like a rudder in flight (classic field mark).

Scientific Classification

The Red Kite (Milvus milvus) is a medium-large diurnal bird of prey known for its long, deeply forked tail and buoyant, twisting flight. It is a scavenger and opportunistic predator, often feeding on carrion, small mammals, birds, and human-associated food sources.

Kingdom
Animalia
Phylum
Chordata
Class
Aves
Order
Accipitriformes
Family
Accipitridae
Genus
Milvus
Species
Milvus milvus

Distinguishing Features

  • Long, deeply forked tail (key field mark)
  • Reddish-brown body with paler head
  • Long narrow wings with contrasting pale ‘windows’ in the primaries
  • Graceful, buoyant soaring with frequent tail twisting for steering

Physical Measurements

Males and females differ in size

Length
♂ 2 ft 1 in (1 ft 12 in – 2 ft 2 in)
♀ 2 ft 2 in (2 ft 2 in – 2 ft 4 in)
Weight
♂ 2 lbs (2 lbs – 2 lbs)
♀ 3 lbs (2 lbs – 3 lbs)
Tail Length
♂ 1 ft (11 in – 1 ft 1 in)
♀ 1 ft 1 in (12 in – 1 ft 2 in)
Top Speed
31 mph
flying

Appearance

Primary Colors
Secondary Colors
Skin Type Feathered body; keratin bill and talons; scaly tarsi and toes typical of Accipitridae.
Distinctive Features
  • Deeply forked, long rufous tail used as a rudder in twisting flight (key field mark).
  • Long, narrow wings with splayed 'fingered' primaries; buoyant soaring and frequent tail-fanning.
  • Adult size: length 60-70 cm; wingspan 175-195 cm (standard field measurements; e.g., Svensson et al. 2009; Ferguson-Lees & Christie 2001).
  • Typical adult mass: ~0.8-1.3 kg (females averaging heavier; Ferguson-Lees & Christie 2001).
  • Underwing shows pale/whitish panels with contrasting dark carpal/primary areas; head often paler than mantle.
  • Foraging behavior: opportunistic scavenger and predator; takes carrion, small mammals/birds, and human-associated refuse; often gleaning low over farmland/woodland edges (Cramp & Simmons 1980; BirdLife International species account).
  • Western Palearctic/European stronghold; notable conservation and reintroduction history (e.g., UK reintroductions from continental stock; BirdLife International; RSPB/UK project reports).
  • Separation from Black Kite (Milvus migrans): Red Kite has a deeper tail fork and more buoyant, twisting flight; Black Kite's tail is typically less deeply forked.

Sexual Dimorphism

Sexes are alike in plumage; dimorphism is mainly size-based. Females average slightly larger and heavier than males, with substantial overlap and no consistent color differences.

♂
  • Slightly smaller average body mass and wing length; plumage essentially identical to female.
  • Often shows same rufous tail and pale head; sex not reliably identified by color alone.
♀
  • Slightly larger average size and mass; may appear bulkier in flight at close range.
  • Plumage pattern and coloration match male; size is the primary sex cue.

Did You Know?

Primary ID: a long, deeply forked tail used like a rudder in flight (classic field mark).

Size (HBW/Collins): length 60-70 cm; wingspan 175-195 cm; mass typically ~800-1,300 g (sexes overlap, females average heavier).

Breeding (standard species accounts): clutch usually 2-3 eggs (range 1-4); incubation ~31-32 days; fledging typically ~50-60 days after hatching.

Diet is highly opportunistic: carrion plus small mammals, birds, earthworms, insects, and human-derived scraps; often forages over farmland/woodland-edge mosaics.

Social for much of the year: forms communal winter roosts that can hold dozens to hundreds of birds in good habitat.

Conservation story: nearly extirpated as a UK breeder (survived mainly in mid-Wales), then successfully reintroduced from 1989 onward; now established across multiple UK regions (widely documented by UK conservation programs).

Longevity: can exceed 20 years; ringing recoveries in Europe report maximum ages around 25-26 years (EURING-style longevity summaries).

Unique Adaptations

  • Deeply forked tail with active fanning and twisting: increases yaw control and maneuverability at low speeds, aiding fine-scale steering while soaring and scavenging.
  • Broad, long wings (high lift) suited to low-energy flight: enables long periods of soaring and searching with minimal flapping.
  • Flexible digestive ecology: effective scavenging strategy allows rapid switching among carrion, small prey, and seasonal invertebrate pulses.
  • Strong visual searching while cruising low over farmland: well-suited to spotting carcasses and small prey items in open-country mosaics.
  • Behavioral tolerance of mixed landscapes: thrives in patchworks of pasture/arable fields with nearby woods for nesting and roosting.

Interesting Behaviors

  • Buoyant, 'twisting' soaring: uses light winds and thermals, rocking and banking with frequent tail-fanning; often patrols field margins and hedgerows.
  • Ground-gleaning and roadside scavenging: frequently drops to pick up carrion or invertebrates, including along roads or farm tracks where carcasses occur.
  • Kleptoparasitism: will harass other raptors (and sometimes corvids) to make them drop food, especially in winter feeding areas.
  • Communal roosting: gathers at traditional roost woods in the non-breeding season; individuals may commute several kilometers between foraging areas and roosts.
  • Nest-site fidelity: pairs often reuse or refurbish the same nest in woodland edges or small woods, adding fresh material before laying.
  • Human-associated foraging: readily exploits predictable food sources (e.g., farm waste, game offal), which can concentrate birds in winter.
  • Territorial display: aerial circling and mewing calls over the nest area; courtship feeding by the male is common during pair formation.

Cultural Significance

The red kite (Milvus milvus) is a symbol of wildlife recovery and rural life in parts of Britain, especially Wales. Once a town scavenger that cleaned up refuse, reintroductions made it a flagship for raptor conservation and public engagement.

Myths & Legends

Medieval and early-modern London stories describe kites as protected 'sanitation workers' that swept streets for scraps and carrion; harming them was treated as an offense in some accounts of city life and custom.

Welsh stories often link the red kite (Milvus milvus) to place and memory because the species' last native UK breeding group survived in central Wales after it vanished from most of Britain.

In European folk-omen traditions, the circling of large birds of prey (including kites) over a homestead or battlefield was sometimes read as a sign of impending death, misfortune, or war-reflecting their scavenging association with carrion.

The name 'kite' in English folk usage became linked with 'thievery' and opportunism (a 'kite' as a sly taker), echoing popular observations of kites snatching food and harrying other birds in markets and fields.

Conservation Status

LC Least Concern (IUCN Red List; assessment by BirdLife International)

Widespread and abundant in the wild.

Population Increasing

Protected Under

  • EU Birds Directive (2009/147/EC) - listed on Annex I (special conservation measures and SPA designation).
  • Bern Convention on the Conservation of European Wildlife and Natural Habitats - Appendix II (Strictly Protected Fauna).
  • CITES - Appendix II (international trade controlled).
  • United Kingdom: Wildlife and Countryside Act 1981 - Schedule 1 (special protection at nesting sites); also protected under national wildlife legislation across most range states.
  • Species scientific data (field guides/handbooks; commonly cited in raptor biology literature): total length 60-66 cm; wingspan 175-195 cm; mass typically ~0.8-1.2 kg; clutch usually 1-3 eggs; incubation ~31-32 days; fledging ~50-55 days; longevity record in the wild ~26 years (ringing recoveries), with many breeders living >10 years.
  • HUBS (Accipitridae/European kites & allied raptors) summary: statuses range from LC to CR depending on species/region; common threats include poisoning/contaminants, persecution, collision/electrocution, and agricultural/land-use change. Notable high-risk relatives include some island-endemics and Asian vultures/raptors impacted by toxicants and habitat loss; European kite recoveries show strong response to legal protection and reintroduction.

Life Cycle

Birth 2 chicks
Lifespan 10 years

Lifespan

In the Wild
0–26 years
In Captivity
0–34 years

Reproduction

Mating System Monogamy
Social Structure Socially Monogamous
Breeding Pattern Lifelong
Fertilization Internal Fertilization
Birth Type Internal_fertilization

Red Kites form stable territorial pairs, typically breeding as a male-female monogamous unit and often reusing the same nest site across years. Copulation is via cloacal contact; both parents provision chicks, with females incubating most.

Behavior & Ecology

Social Flock Group: 30
Activity Diurnal, Crepuscular
Diet Scavenger Carrion (notably rabbit/other small-medium mammal carcasses and roadkill where accessible)
Seasonal Migratory 1,118 mi

Temperament

Generally tolerant of conspecifics at communal roosts; frequent close perching with minimal conflict.
Strongly territorial around active nests; chases and mobbing of intruders intensifies in incubation.
Opportunistic scavenger/predator; readily exploits predictable human food sources (BirdLife International).
HUBS: Group patterns center on pair-breeding, post-fledging families, and winter roosts; roost size varies regionally.
Longevity: maximum >20 years documented from ringing recoveries (e.g., BTO/EURING longevity tables).

Communication

Thin, plaintive "mewing" contact call used in flight and near nest Cramp & Simmons, BWP
Sharper alarm calls during nest defense and when disturbed at roost Ferguson-Lees & Christie
Juvenile begging calls around nest and during food deliveries, increasing with hunger BWP
Aerial displays: soaring circuits, tail-fanning, and mutual flight used in pair bonding and territory advertisement.
Postural threat and displacement at carcasses: raised wings, direct approach, and foot-forward strikes.
Food transfer behaviors (including dropping/passing prey) between mates and to fledglings near nest.
Communal roosting and synchronized departures likely support social-information use about foraging areas.

Habitat

Biomes:
Temperate Forest Temperate Grassland Mediterranean Alpine
Terrain:
Hilly Plains Valley Riverine Coastal
Elevation: Up to 8202 ft 1 in

Ecological Role

Avian scavenger/mesopredator in open and mixed farmland-woodland landscapes

Carrion removal (sanitation) and acceleration of nutrient recycling Suppression of some pest populations via predation on small mammals and large insects Linking anthropogenic and natural food webs by consuming refuse/offal (with attendant implications for contaminant transfer) Potential bioindicator of landscape change and poisoning risk due to reliance on carrion and human-associated food sources

Diet Details

Main Prey:
Carrion Small mammals Birds Reptiles Amphibians Large invertebrates Human-associated animal food waste +1

Human Interaction

Domestication Status

Wild

The Red Kite (Milvus milvus) is a wild bird of prey and has not been domesticated. People once allowed it in towns as a scavenger, including in medieval Britain, then hunted and poisoned it, causing big declines. Recently, numbers have risen in places (notably the UK) because of legal protection, reintroduction, and conservation, not domestic breeding.

Danger Level

Low
  • Physical injury risk is mainly limited to handling: talon punctures/scratches and beak wounds if a bird is trapped, cornered, or handled during rehabilitation/falconry.
  • Zoonotic/foodborne pathogens are a minor risk when handling carcasses, feces, or regurgitated pellets (general raptor/carrion-feeder hygiene concern).
  • Nest defense toward humans is typically limited and far less aggressive than many large eagles; most birds avoid close contact.

As a Pet

Not Suitable as Pet

Legality: Red Kite (Milvus milvus) usually cannot be kept as a pet. It is protected in Europe; only licensed wildlife rehab, educational displays, or rare falconry/aviary permits allow keeping. Permits may be needed for moving.

Care Level: Expert Only

Purchase Cost:
Lifetime Cost: $15,000 - $60,000

Economic Value

Uses:
Ecosystem services (scavenging/carrion removal) Ecosystem services (predation on small mammals and birds; indirect pest regulation) Ecotourism and recreation (raptor watching) Conservation program value (flagship species for habitat protection and public engagement) Cultural/historical value (symbolic presence in parts of Europe; historical urban scavenger)
Products:
  • No standard legal commercial products from the species in modern contexts; value is primarily non-consumptive (ecosystem services, tourism, education).

Relationships

Quick Take

  • A 77-inch wingspan is required to maintain the red kite’s specific aerial dominance.
  • Constructing nests at 50 feet inside tree forks creates a distinct risk for migrating populations.
  • Surprisingly, this carnivore often achieves its nutritional requirements without actually hunting any live prey.
  • The March breeding season necessitates a precise scouting process for nests discarded by buzzards.

The first thing you notice about a red kite in flight is its distinctive forked tail. The red kite moves its forked tail to steer itself as it flies through the air. It also makes a high-pitched call that sounds similar to whistling, “weooo, weooo.” The carnivorous diet of a red kite includes small mammals and insects, but it usually eats carrion left behind on the road. It lives in Europe, Asia, and a small part of northern Africa. The wingspan of this bird is 59 to 70 inches.

Detailed infographic about the Red Kite bird, showcasing its physical characteristics, habitat map of Europe, and life cycle facts.
A majestic 77-inch wingspan and a scavenger's heart: discover how this aerial giant dominates the horizon without actually hunting its prey. © A-Z Animals

3 Red Kite Amazing Facts

  • Eggs in a single clutch hatch one to two days apart.
  • Long ago, these birds were considered pests and (mistakenly) blamed for killing small farm animals.
  • The oldest red kite reached 28 years old.

Where to Find a Red Kite

Red kite flying in blue sky over Germany

Red kites have a wingspan of 69 to 77 inches.

Red kites are found in Europe, Asia, and northern Africa. They live in a temperate climate in a variety of habitats, including grasslands, wetlands, forests, and shrublands.

The best time to see these birds soaring in the sky is in the spring, specifically in the month of March. They are preparing their nests for the breeding season.

Nests

Head shot of a red kite against a green background

Red kites generally place their nests in tree forks as high as 50 feet.

Sometimes red kites use nests abandoned by buzzards and other types of birds. But if they build one, both the male and female will work together.

Its nest is usually found in a tree fork located around 40 to 50 feet up in a tree. Along with large sticks, a red kite’s nest is constructed with odds and ends. This can be anything from scraps of clothing to torn paper to pieces of wool. Anything to make their baby birds feel comfortable!

Classification and Scientific Name

Milvus milvus is the red kite’s scientific name. The Latin word milvus translates to bird. In Sweden, this bird is called Glada, which is the Swedish word for kite.

It belongs to the Accipitridae family and the class Aves.

Red kites belong to the genus Milvus, making them the closest relatives of the other two member species of the group: black kites found in Eurasia, Australia, and Oceania, and yellow-billed kites found in Africa.

As part of the Milvinae subfamily, they are related to members of seven other genera, including Mississippi kites, snail kites, slender-billed kites, and square-billed kites.

These kites all belong to the Accipitridae, making them the cousins of eagles, hawks, harriers, and vultures. Members of this family date back 50 million years, during the Eocene. Robust fossil evidence exists dating from the late Eocene, about 35 million years ago, with fossils having been discovered in America, Australia, China, England, France, and Italy.

The red kite is generally considered monotypic (Milvus milvus), with the Cape Verde kite (formerly Milvus milvus fasciicauda) now considered extinct and not universally recognized as a valid subspecies.

Size, Appearance, and Behavior

Red kites have reddish-brown feathers on their back and breast, along with a grayish-white head. Looking up at a flying red kite, you’ll see a large section of white feathers on the undersides of its reddish-brown wings. The underside of its forked tail is also covered in white feathers. This bird has bright yellow legs along with a hooked beak of the same color.

The forked tail of the red kite is not only interesting but also serves a practical purpose. The bird uses it to turn easily and swiftly in the air. This bird can dive, circle, and soar with ease. The wings of a red kite are notable as well. Study them closely, and you’ll see they are angled at the tips. In fact, the tips of their wings have been compared to human fingertips.

This bird is 24 to 26 inches long and weighs two to two and a half pounds. Its wingspan is 69 to 77 inches.

Migration Pattern and Timing

Not all red kites migrate. Red kites that live in northern regions migrate south to warmer weather for the winter. For instance, red kites that breed in Germany in the springtime migrate south to France or Spain for the winter.

Diet

Red kite sitting in the grass

Red kites are fond of eating carrion, fish, insects, and small mammals.

The red kite is a carnivorous bird. But it doesn’t always hunt its prey.

What does a red kite eat?

The red kite has a diet that includes fish, small mammals, and insects. It also eats carrion it finds on the road. Red kites have superb eyesight and agility. Consequently, they can dive and scoop their prey off the ground fairly easily.

Predators and Threats

What eats a red kite?

the wedge tail eagle has spread its wings ready for flight

Red kites may be in danger from larger birds.

Snakes, cats, and larger birds are predators of the red kite. However, these animals usually go after the eggs or the young of this bird.

Humans are also predators of these birds, sometimes intentionally and sometimes unintentionally. For example, some farmers and others with large pieces of property put out poison to kill mice and rats. A red kite that eats one of those dead rodents also dies from the poison.

Some people are still under the mistaken impression that red kites kill chickens, lambs, and other small farm animals. So, they put poison out to kill any red kites in the area. Fortunately, people are becoming more educated about this bird.

Red kites are killed when they fly into power lines, and some are hit and killed by cars when eating carrion in the road.

Despite all of these challenges, its population is increasing and is described as Least Concern on the IUCN Red List of Threatened Species.

Reproduction, Babies, and Lifespan

2 juvenile red kites sitting on the ground with a blurred field in the background

Red kite chicks leave the safety of the nest after about 3 months.

Spring is the breeding season of red kites. Female red kites lay one to four eggs in the middle part of April. This bird’s eggs are cream with spots of light brown. The incubation period of its eggs is 31 to 32 days. Keep in mind that the eggs hatch one or two days apart. So, one baby may be as many as two days older than another chick in the nest!

The chicks leave the nest at the age of 48 to 50 days old. But each baby usually stays around the nesting area for two or three more weeks. The parents of the chicks help to feed their young and continue to care for them during this time.

Young red kites are sexually mature at two to three years old. The total lifespan of this feathered creature can reach up to 25 years, though most live 10 to 15 years in the wild.

Population

This bird’s population of 60,000 to 70,000 is described as increasing. Its conservation status is of Least Concern.

View all 181 animals that start with R

Sources

  1. IUCN Red List / Accessed May 25, 2022
  2. The Royal Society for the Protection of Birds / Accessed May 25, 2022
  3. Wikipedia / Accessed May 25, 2022
  4. Wildlife Trusts / Accessed May 25, 2022
  5. Hawk and Owl Trust / Accessed May 25, 2022
  6. Discover Wildlife / Accessed May 25, 2022
  7. Bird Fact / Accessed May 25, 2022
Dana Mayor

About the Author

Dana Mayor

I love good books and the occasional cartoon. I am also endlessly intrigued with the beauty of nature and find hummingbirds, puppies, and marine wildlife to be the most magical creatures of all.
Connect:

Thank you for reading! Have some feedback for us?


Red Kite FAQs (Frequently Asked Questions)

Some red kites that breed in northern regions of Europe or Asia migrate south for the winter to enjoy areas with a warmer climate.