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Species Profile

European Starling

Sturnus vulgaris

Mimic, shimmer, and swarm the sky
Soru Epotok/Shutterstock.com

European Starling Distribution

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Invasive Species
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A European starling singing in the wild

At a Glance

Wild Species
Also Known As Starling, Common Starling, English Starling
Diet Omnivore
Activity Diurnal+
Lifespan 2 years
Weight 0.1 lbs
Status Least Concern
Did You Know?

Size: 19-22 cm long; wingspan 31-44 cm; mass typically 0.058-0.101 kg (e.g., Cramp & Perrins, BWP/Handbook data; Cornell Lab).

Scientific Classification

The European Starling (Sturnus vulgaris) is a medium-sized passerine in the starling family (Sturnidae), native to Eurasia and North Africa and introduced widely elsewhere (notably North America, Australia, and New Zealand). It is known for highly social behavior, vocal mimicry, and large, coordinated flocks (murmurations).

Kingdom
Animalia
Phylum
Chordata
Class
Aves
Order
Passeriformes
Family
Sturnidae
Genus
Sturnus
Species
Sturnus vulgaris

Distinguishing Features

  • Compact, short-tailed starling with straight pointed bill
  • Breeding plumage: glossy black with green/purple sheen; bill yellow
  • Non-breeding plumage: darker with prominent pale spotting; bill darker
  • Often walks on the ground while probing for invertebrates
  • Highly variable vocalizations; strong mimicry ability
  • Forms large flocks and dramatic aerial murmurations

Physical Measurements

Length
8 in (7 in – 9 in)
Weight
0 lbs (0 lbs – 0 lbs)
Tail Length
2 in (2 in – 3 in)
Top Speed
48 mph
Up to 48 mph

Appearance

Primary Colors
Secondary Colors
Skin Type Feathered body; keratin bill; scaly tarsi and toes (typical passerine).
Distinctive Features
  • Adult size (commonly reported): total length 20-23 cm; wingspan 31-40 cm; mass 0.060-0.096 kg (converted from 60-96 g).
  • Bill seasonality: bright yellow bill in breeding season; bill becomes dark (brown to blackish) in non-breeding/winter; bill is long, straight, and pointed (adapted for probing).
  • Iridescence: strong green and purple gloss is structural (angle-dependent) rather than pigment-based; can look nearly plain black in dull light.
  • Winter plumage spotting: pale/whitish feather tips produce distinct speckling; in breeding season the bird looks cleaner and more uniformly glossy as feather tips abrade.
  • Highly social: forms very large, coordinated flocks and aerial 'murmurations'; communal roosting is typical, especially outside the breeding season.
  • Vocal behavior: rich repertoire with whistles, clicks, and harsh notes; well known for vocal mimicry of other bird species and anthropogenic sounds.
  • Nesting: obligate/typical cavity nester (tree holes, cliffs, buildings, nest boxes); frequently competes aggressively with other cavity-nesting birds for sites.
  • Average lifespan in the wild is short, about 2–3 years because many young birds die early, but ringing/banding records (EURING, BTO) show some live more than 20 years.

Sexual Dimorphism

Sexes are very similar in overall size and plumage; differences are subtle and most reliably noted at close range, especially in the breeding season.

  • On average slightly larger/heavier than females (overlapping ranges; not reliably separable in the field by size alone).
  • Breeding season bill-base coloration: bluish at the base of the lower mandible is commonly reported for males (best seen at close range).
  • May show slightly longer, looser throat feathers and more pronounced iridescent gloss in some individuals (subtle).
  • Breeding season bill-base coloration: pinkish at the base of the lower mandible is commonly reported for females (best seen at close range).
  • Otherwise very similar to males; winter spotting and iridescence overlap extensively.

Did You Know?

Size: 19-22 cm long; wingspan 31-44 cm; mass typically 0.058-0.101 kg (e.g., Cramp & Perrins, BWP/Handbook data; Cornell Lab).

Seasonal look: bill turns bright yellow in the breeding season, then darkens in non-breeding; plumage shows heavier pale spotting in winter than summer.

Reproduction: usually 4-6 eggs per clutch; incubation ~12-15 days; young fledge ~21-23 days (BWP/Cramp & Perrins; Cornell Lab).

Longevity: most live only a few years in the wild, but ringing records include individuals reaching ~22 years 11 months (European bird ringing longevity records reported by schemes such as BTO/EURING summaries).

Murmurations can number from thousands to (locally) hundreds of thousands of birds, forming coordinated, wave-like aerial shapes before communal roosting.

Vocal mimic: can copy other bird species and human-made sounds; males weave mimicry into long, variable song bouts used in courtship and social signaling.

Feeding is highly flexible: insects/soil invertebrates dominate in many seasons, but fruit and grains can become major foods-one reason the species thrives in cities and farmland.

Unique Adaptations

  • Feather microstructure creates iridescence: "glossy" green-purple sheen is produced by light scattering from microscopic feather structures, not pigment alone.
  • Seasonal bill color shift: hormone-linked changes turn the bill bright yellow in breeding season, signaling reproductive condition.
  • Strong, prying bill mechanics: starling skull/jaw musculature helps force-open grass and soil to reach hidden invertebrates (a key feeding advantage on lawns/pastures).
  • Highly versatile syrinx control: fine vocal-motor control supports mimicry and rapid switching among call types in dense social groups.
  • Collective-risk reduction: tight flock geometry and rapid information transfer reduce individual predation risk (the 'dilution' and 'confusion' effects), enabling huge roosts.
  • Urban tolerance: readily uses human structures as substitute cavities and exploits anthropogenic food sources, aiding success in cities and introduced regions.

Interesting Behaviors

  • Murmuration flocking: dense, synchronized flight (rapid collective turns and shape changes), often intensifying near dusk before birds drop into communal roosts.
  • Communal roosting: large numbers pack into reedbeds, woodlots, bridges, and urban structures for warmth and predator dilution.
  • Vocal mimicry and social song: males produce complex songs with whistles, clicks, and borrowed sounds; mimicry may function in mate attraction and territory advertisement.
  • Cavity nesting and competition: nests in tree holes and building cavities; aggressively defends sites and can evict other cavity nesters (notably in introduced ranges).
  • Opportunistic foraging: walks and probes lawns/pastures, flips leaf litter, and follows livestock or machinery to seize disturbed insects.
  • Anting and bathing: may rub ants or other pungent materials into feathers (thought to help manage parasites/feather condition) and bathes frequently in shallow water.
  • Multiple broods: in favorable conditions, pairs may raise two broods in a season, increasing annual productivity.

Cultural Significance

European Starling (Sturnus vulgaris) is a spring sign in Europe, linked to nest-box traditions. It appears in Shakespeare's Henry IV and Mozart kept a whistling pet starling (1784). Released in New York (1890–91), it spread fast and led to debate about invasive species and native hole-nesting birds.

Myths & Legends

In Aesop's fable, a captured European Starling (Sturnus vulgaris) begs for life, says it eats harmful grubs, but the farmer blames it for stealing grapes—an old tale about clever speech and farm conflict.

Shakespearean lore (*Henry IV, Part 1*): Hotspur vows to keep a starling and teach it to endlessly speak "Mortimer," turning the bird into a dramatic symbol of obsessive grief and the power of repeated words.

Mozart's starling (1784): Mozart bought a starling that whistled a tune like one he wrote. When it died, he held a small funeral—story links starlings to copying and music.

Central Park introduction story (American historical anecdote): the European Starling's U.S. origin is popularly tied to Schieffelin's wish to introduce birds associated with Shakespeare, a modern 'founding legend' often retold in invasion-history narratives.

In parts of Europe and Russia, the arrival of starlings (Sturnus vulgaris) and putting up starling nest boxes are spring traditions that tell people winter has ended and the farming year begins.

Conservation Status

LC Least Concern

Widespread and abundant in the wild.

Population Decreasing

Protected Under

  • EU Birds Directive 2009/147/EC (listed as a naturally occurring wild bird in the EU; general protection applies, with possible derogations for damage control under defined conditions).
  • Bern Convention on the Conservation of European Wildlife and Natural Habitats (generally treated as a protected wild bird in much of Europe; implementation varies by country).
  • United Kingdom: Wildlife and Countryside Act 1981 (as amended) - generally protects wild birds, their nests and eggs; lethal control may be permitted under license for specific purposes.
  • United States (introduced): not protected under the Migratory Bird Treaty Act; management/control is regulated at state/local levels rather than under federal MBTA protections.

Life Cycle

Birth 5 chicks
Lifespan 2 years

Lifespan

In the Wild
1–22.92 years
In Captivity
5–23 years

Reproduction

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

European Starling (Sturnus vulgaris) is mostly socially monogamous, pairing to defend a cavity nest, but some males are polygynous. Extra-pair mating and paternity occur. Clutches are about 3–7 eggs; both parents usually care.

Behavior & Ecology

Social Flock Group: 200
Activity Diurnal, Crepuscular
Diet Omnivore Cranefly larvae (leatherjackets) taken from short-grazed pasture and turf
Seasonal Migratory 621 mi

Temperament

Highly gregarious and socially tolerant in foraging/roosting contexts, with strong benefits from group living (information transfer, predator avoidance) (Feare 1984).
Competitive and often aggressive at nest cavities and food points; can displace other birds and engage in intense intraspecific conflict during breeding (Cabe 1993).
Bold, opportunistic generalist; readily exploits human-modified habitats and novel foods (Cabe 1993).
Seasonally variable: more territorial during breeding; strongly flock-oriented outside breeding, including coordinated murmurations before roost entry (Feare 1984).
European Starling (Sturnus vulgaris) usually has a short average life, but some live up to about 22 years in the wild, letting older birds gain more social experience in roost networks.

Communication

Complex song Male-biased) composed of whistles, warbles, rattles, and high-frequency notes; frequent vocal mimicry of other species and anthropogenic sounds; song used in mate attraction and territory/nest-site defense (Cabe 1993; Feare 1984
Contact calls used to maintain cohesion in flocks and during movements; call rate often increases during pre-roost assemblies and in flight Feare 1984
Alarm/scold calls in response to predators and disturbances; can propagate rapidly through dense flocks/roosts Feare 1984
Synchronized flight maneuvers in murmurations function as a group-level visual signal Cohesion/anti-predator effects) with rapid local interaction rules producing coordinated motion (Feare 1984; general murmuration literature
Visual threat and dominance displays at nest sites and feeding points Posture changes, bill pointing/gaping, feather erection, wing droops) (Cabe 1993
Social roosting and pre-roost "gathering" behavior: repeated flights over roost site and dense perching assemblies facilitate information exchange and collective movement timing Feare 1984
Allopreening and close-contact perching occur, especially in dense roost contexts, supporting social tolerance; intensity varies across populations and season Cabe 1993
Species reference measurements Context for signaling range): adult total length ~19-22 cm, mass commonly ~0.06-0.10 kg, wingspan ~31-44 cm; these traits support rapid, agile flock maneuvers used in visual coordination (Cramp & Perrins 1994; Cabe 1993

Habitat

Biomes:
Temperate Grassland Temperate Forest Mediterranean Boreal Forest (Taiga) Wetland
Terrain:
Plains Hilly Valley Plateau Coastal Riverine Mountainous Island +2
Elevation: Up to 6561 ft 8 in

Ecological Role

Generalist consumer linking soil-turf invertebrate communities and fruit/seed resources; both pest-controller and (in some settings) agricultural pest.

Predation on pasture/turf invertebrates (can reduce some insect pests locally; e.g., consumption of crane-fly larvae and other soil insects) Seed dispersal via fruit consumption (especially hedgerow and woodland-edge berries) Nutrient cycling/soil disturbance through intensive ground foraging and probing Prey base for avian predators (for example, hawks and falcons) and other predators where abundant; also a competitor for nest cavities affecting community structure in some introduced ranges

Diet Details

Main Prey:
Insects Caterpillars Earthworms Spiders Soil and leaf-litter invertebrates
Other Foods:
Fleshy fruits and berries Orchard fruit Cereal grains and seeds Livestock feed and food scraps

Human Interaction

Domestication Status

Wild

European Starling (Sturnus vulgaris) has no domestication history — no domestic breeds or long-term breeding by people. It often lives near people, using buildings, nest boxes, and farm structures, causing frequent contact but not domestication. In introduced areas it causes conflicts (crop damage, displaces cavity nesters). Occasionally hand-reared or used in lab studies.

Danger Level

Moderate
  • Public-health/occupational exposure at large roosts: droppings can support fungal growth; heavy accumulations are associated with histoplasmosis risk in some settings (especially during disturbance/cleanup without respiratory protection).
  • Food safety/farm interface: can mechanically spread pathogens (e.g., Salmonella spp.) between roosts, feedlots, and facilities; risk is situational and higher around dense livestock operations.
  • Aircraft strike hazard: large flocks increase bird-aircraft collision risk near airports.
  • Nuisance/aggression: may mob intruders near nests; can bite/scratch if handled (rehab/pet context) but serious injury is uncommon.
  • Allergies/asthma exacerbation from dust/feathers/droppings in enclosed roosting/nesting sites.

As a Pet

Not Suitable as Pet

Care Level: Expert Only

Purchase Cost: Up to $250
Lifetime Cost: $1,500 - $12,000

Economic Value

Uses:
Agriculture (crop and feed impacts) Urban infrastructure/roost management Public health/cleanup costs Biodiversity impacts (competition with native cavity nesters) Research/education value Cultural/aesthetic value (murmurations)
Products:
  • Negative economic impact: damage to fruit crops (e.g., grapes, cherries, berries), grain and livestock feed; contamination/fouling of facilities with droppings.
  • Services/benefits: insect predation (context-dependent), educational value (vocal mimicry and flocking), use as a model species in behavioral/neuroscience research (vocal learning).

Relationships

Related Species 8

Spotless Starling Sturnus unicolor Shared Genus
White-cheeked Starling Sturnus sericeus Shared Genus
Chestnut-cheeked Starling Agropsar philippensis Shared Genus
White-shouldered Starling Sturnia sinensis Shared Family
Rosy Starling Pastor roseus Shared Family
Common Myna Acridotheres tristis Shared Family
Brahminy Starling Sturnia pagodarum Shared Family
Superb Starling Lamprotornis superbus Shared Family

Ecological Equivalents 5

Animals that fill a similar ecological role in their ecosystem

House Sparrow
House Sparrow Passer domesticus Urban/suburban commensal passerine that forages on human-provided foods and on lawn-associated invertebrates, nests in cavities and structures, and forms dense roosts. Overlaps strongly where the European Starling (Sturnus vulgaris; ~19-22 cm length; ~31-44 cm wingspan; commonly ~0.06-0.096 kg) is introduced.
Common Grackle
Common Grackle Quiscalus quiscula Occupies a similar niche in many introduced-range habitats (e.g., North America): a ground-foraging omnivore that forms large communal roosts, exhibits aggressive flocking behavior, and exploits agricultural and urban food sources. Often co-occurs with starlings at feeding sites and roosts.
Red-winged Blackbird
Red-winged Blackbird Agelaius phoeniceus Forms very large coordinated flocks and roosts outside the breeding season and forages in open habitats and agricultural landscapes. Shows ecological overlap with starlings in winter roosting and field-foraging behavior, including forming mixed-species roosts in some regions.
Northern Mockingbird
Northern Mockingbird Mimus polyglottos Ecological analogue for vocal mimicry and complex song repertoires — a hallmark behavior of European starlings, including copying other birds and anthropogenic sounds. Mockingbirds, however, are more territorial and less strongly colonial/roosting than starlings.
Cliff Swallow Petrochelidon pyrrhonota Shares strong coloniality and mass flocking/roosting dynamics (high-density nesting and roost sites), providing a functional comparison to starling sociality, including large synchronized flock movements (murmuration-style coordinated flight).

During the winter season, the European starling has little white spots covering its body, but when summer comes, it flashes their dark and glossy feathers. They are sometimes considered aggressive and are very noisy when traveling in flocks. They are known to mimic other species and sing songs. 

4 Amazing European Starling Facts

  • The European Starling was brought to the US in the 1890s because the country wanted to have the birds that Shakespeare mentioned in his plays. Around 100 birds were released in Central Park in New York City. 
  • The name ‘starling’ comes from Old English ‘stærlinc’, a diminutive of ‘stær’, which simply referred to the bird itself. 
  • They can mimic other species’ songs and calls, and can even imitate human speech. One European Starling can learn up to 20 calls. The males sing more than the females.
  • The European Starling has a sense of taste. They cannot digest sucrose, which is why they can distinguish between sucrose and other sugars. 

Where to Find the European Starling

It is very easy to find the European Starling. They were introduced to America and have a strong population in each of the continental states. These birds can also be found all around the world, including in Central Asia, Western Europe, India, and have even been introduced to New Zealand, Fiji, Australia, and South Africa.

They are spread out across the whole country and are quite common in towns. All you need to do is go to parks, lawns, fields, and such open areas to see the European Starling. You can also spot them perched on top of the trees if you live in the countryside. If they are not in the trees, they will be seen moving quite fast in zig-zag lines on the ground. 

They are usually in places where there are crevices, holes for their nests, or amongst fields during their breeding season. But apart from that, you can find them almost anywhere. The best time to see them is during the summer when they are flashing with their dazzling beauty and singing songs of other birds. Keep your ears and eyes open for that magic to unveil.  

European starling approaching nest in a tree to feed its chick

All European starlings in the U.S. today are descendants of 100 birds that were released in Central Park in the early 1890s.

European Starling Nests

They have a distinct nesting spot within holes in different places. They may be inside buildings, woodpecker holes, birdhouses, and other hollow places. The nest itself is started by the male but is completed by the female. It is a hollow-shaped cup that is made up of twigs, weeds, leaves, and feathers. The European Starling may sometimes even lay eggs in other birds’ nests, and they will fight bigger birds if they have to, to get the nest. 

After 12 days of incubation, the hatchlings emerge and are fed by both parents. There are usually 4 – 6 eggs, but sometimes there are as many as 7. They are either greenish-white or bluish-white in color. 

Scientific Name

The European Starling is also known as the Common Starling and even the Starling in some countries. It goes by the name Sturnus vulgaris in the scientific world, which is Latin in origin. It belongs to the family Sturnidae and the class Aves.

The European Starling belongs to a group of Starlings that are polyphyletic in nature. There are other starlings in the world, but none of them are quite related to the European Starling. They may resemble in characteristics, but only the Spotless Starling comes close to being a relative of the European Starling. But even this fact is still in debate.  

Size, Appearance, and Behavior

The European Starling is a small-sized bird that has a small and rounded body along with a short tail. They do, however, have long and slender beaks. In measurement, they are around 7.9 to 9.1 inches in length and weigh 2.1 to 3.4 ounces. Their wingspan spreads up to 15.8 inches at most.

The male and female European Starlings are different with distinctive features. If you look into their irises, the males will have a rich brown color, while the females have a mouse brown shade. Similarly, the underparts of a male have fewer spots than the female during a specific time of the year. 

A European Starling is jet black in color with few green or blue markings. You will also find brown spots all over the body. However, during the winter season, they develop white spots. Their beaks change from yellow to black, while a spot under the base of the beak identifies one as male. 

Common starling (Sturnus vulgaris), also known as the European starling,

European starlings are excellent mimics and can imitate other birds, machinery, and even human speech.

Migration Pattern and Timing

The migration pattern is distinctive in the form of two groups. Some birds prefer staying where they are and often follow breeding rituals, while others migrate. 

Migration happens around the summer in August or September. The distances depend upon the birds. Some travel far while some don’t. It is still unclear why some of the groups stay behind while others migrate. But they tend to travel south. 

The European Starling is quite sociable in nature, whether it is with other Starlings or with humans. They are often found in flocks, breeding together, eating together, and even migrating together in the form of groups. After mating, the male is by the side of the female, engaging in activities with her. Moreover, they are not afraid of humans and can often be found in urban areas

Diet

The European Starling is mainly insectivorous, but they sometimes feed on plant seeds, making them omnivorous too. Their prey includes different pests, arthropods, and fruit nectar. Some of them cannot eat sucrose, and since they have a sense of taste, they can distinguish between different sugary items.

What Does the European Starling Eat?

The European Starling eats a bunch of different insects like ants, spiders, moths, grasshoppers, flies, beetles, wasps, and others. Similarly, they also munch on earthworms, lizards, snails, fruit nectar, grains, seeds, and even food waste.

What Is the European Starling’s Feeding Behavior?

The feeding behavior of a European Starling is often carried out in flocks. They move around, hopping on the ground, and with the help of their bills, pull out prey from underground. Moreover, they may fly around finding insects and eating leaves from trees. They tend to engage in groups and go back to rich areas where the feeding sites offer the best prey. 

The basic food etiquette found in European Starlings is that they probe their bills into the prey and widen it to eat the nutrients inside the prey. It is called the prying or bill-probing technique.  

European Starling Predators and Threats

Since they travel around in flocks, the European Starling is not that prone to predators. The birds in the flock often warn others about the predators. However, during the breeding season, they are alone, which may allow them to be attacked.

What Eats European Starlings?

Some of the known predators of the European Starling are rats, raccoons, hawks, and falcons

What Is a Big Threat to the European Starling?

Their main threat is agricultural farming, which has reduced the population size of the European Starlings. Some of the crops that are grown are not desirable to the bird, and the ones that are likable have seen a sharp decline in some areas. Similarly, because of their popularity among humans and in urban areas, they are being caged for biological or domestic purposes. 

Common starlings sits on a rowan branch. Red rowan berrie in birds' beak. Fieldfare fly to delicious berries. There are many bunch ripe red berries on the tree. Wild birds on autumn nature.

European starlings sit on a rowan branch, eating red rowan berries.

Reproduction, Young, and Molting of European Starling

The length and the duration of the migration season depend on the location and might change every year. 

The mating ritual depends heavily on how a male European Starling sings. The more complex the call or mimicry, the more the female is attracted to the male bird. The male European Starling sings on repeat to enchant the females. It even sits on the nests’ entrances to make a good impression by singing repeatedly. But the performance reduces during the breeding season.

The breeding season is usually either in the summer or in the spring. The female lays eggs daily after mating has happened. The eggs are typically pale blue or blue-green and have a matte finish, not glossy like the adult’s plumage. The clutch size is around 4 to 6 eggs, but in rare cases, 7. The incubation lasts up to 12 days. 

After hatching, the young are underdeveloped with blind eyes and no feathers. For two weeks or more, both parents feed the young until they are ready to leave the nest. The same nest is used in the future for further breeding. One or two broods are raised per year. 

The molting occurs once every year. After the breeding season, the molting happens and brings whitish new feathers into existence. 

Population and Conservation Status

The population size of the European Starling is more than 200 million individuals. They are also considered in the Least Concern category of Endangered Species. However, there has been a sharp decline in their population trends, which is concerning.

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Sources

  1. Wikipedia / Accessed July 20, 2022
  2. Animal Diversity / Accessed July 20, 2022
  3. All About Birds / Accessed July 20, 2022
  4. Audubon / Accessed July 20, 2022
  5. IUCN Redlist / Accessed July 20, 2022
  6. National Geographic / Accessed July 20, 2022
Alan Lemus

About the Author

Alan Lemus

Alan is a freelance writer and an avid traveler. He specializes in travel content. When he visits home he enjoys spending time with his family Rottie, Opie.
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European Starling FAQs (Frequently Asked Questions)

Yes, they do migrate in groups during the day. But some of the birds prefer staying back and breeding during that time.